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ST72321BJ6

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8-BIT MCU WITH 32 TO 60K FLASH/ROM, ADC, FIVE TIMERS, SPI, SCI, I2C INTERFACE

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The ST72F321B Flash and ST72321B ROM devices are members of the ST7 microcontroller family designed for mid-range applications.

All devices are based on a common industrystandard 8-bit core, featuring an enhanced instruction set and are available with Flash or ROM program memory. The ST7 family architecture offers both power and flexibility to software developers, enabling the design of highly efficient and compact application code.
The on-chip peripherals include an A/D converter, a PWM Autoreload timer, 2 general purpose timers, I²C bus, SPI interface and an SCI interface.
For power economy, microcontroller can switch dynamically into WAIT, SLOW, ACTIVE-HALT or HALT mode when the application is in idle or stand-by state.
Typical applications are consumer, home, office and industrial products.

Key Features
- 1 Analog peripheral (low current coupling)10-bit ADC with up to 16 robust input ports
- 3 Communications InterfacesSPI synchronous serial interfaceSCI asynchronous serial interfaceI²C multimaster interface
- Development ToolsFull hardware/software development packageIn-Circuit Testing capability
- Memories32K to 60K dual voltage High Density Flash (HDFlash) or ROM with read-out protection capability. In-Application Programming and In-Circuit Programming for HDFlash devices1K to 2K RAMHDFlash endurance: 100 cycles, data retention: 40 years at 85°C
- Interrupt ManagementNested interrupt controller14 interrupt vectors plus TRAP and RESETTop Level Interrupt (TLI) pin on 64-pin devices15/9 external interrupt lines (on 4 vectors)
- Clock, Reset And Supply ManagementEnhanced low voltage supervisor (LVD) for main supply and auxiliary voltage detector (AVD) with interrupt capabilityClock sources: crystal/ceramic resonator oscillators, internal RC oscillator and bypass for external clockPLL for 2x frequency multiplicationFour Power Saving Modes: Halt, Active-Halt, Wait and Slow
- 5 TimersMain Clock Controller with: Real time base, Beep and Clock-out capabilitiesConfigurable watchdog timerTwo 16-bit timers with: 2 input captures, 2 output compares, external clock input on one timer, PWM and pulse generator modes8-bit PWM Auto-reload timer with: 2 input captures, 4 PWM outputs, output compare and time base interrupt, external clock with event detector
- Instruction Set8-bit Data Manipulation63 Basic Instructions17 main Addressing Modes8 x 8 Unsigned Multiply Instruction
- Up to 48 I/O Ports48/32/24 multifunctional bidirectional I/O lines34/22/17 alternate function lines16/12/10 high sink outputs
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All tools & software

Software Development Tools

Part number	Status	Description	Type	Supplier
RIDE-STR	Active	Raisonance branded integrated development environment for ST7, STR7 and STR9 MCUs	Legacy MCUs IDEs	Raisonance	RIDE-STR Description: Raisonance branded integrated development environment for ST7, STR7 and STR9 MCUs
STSW-ST7009	Active	DFU Development Kit package (Device Firmware Upgrade).Contains all sources for the GUI and the DFU protocol layer.	Legacy MCUs Programmers	ST	STSW-ST7009 Description: DFU Development Kit package (Device Firmware Upgrade).Contains all sources for the GUI and the DFU protocol layer.
STVD-ST7	Active	ST Visual IDE for developing ST7 applications	Legacy MCUs Programmers	ST	STVD-ST7 Description: ST Visual IDE for developing ST7 applications
STVP-LIB-ST7	Active	STVP programming toolkit: C++ source files for creating PC programming interface	Legacy MCUs Programmers	ST	STVP-LIB-ST7 Description: STVP programming toolkit: C++ source files for creating PC programming interface
STVP-ST7	Active	ST Visual Programmer ST7	Legacy MCUs Programmers	ST	STVP-ST7 Description: ST Visual Programmer ST7

MCU & MPU Embedded Software

Part number	Status	Description	Type	Supplier
STSW-ST7020	Active	HDFlash IAP C-Driver Compatible with Metrowerks and Cosmic compilers.	Legacy MCUs Embedded Software	ST	STSW-ST7020 Description: HDFlash IAP C-Driver Compatible with Metrowerks and Cosmic compilers.
STSW-ST7025	Active	ST7 USB Low Speed EvalKit Firmware	Legacy MCUs Embedded Software	ST	STSW-ST7025 Description: ST7 USB Low Speed EvalKit Firmware
STSW-ST7029	Active	ST7 XFLASH IAP example with the ST7FOPTIONS-EVAL board	Legacy MCUs Embedded Software	ST	STSW-ST7029 Description: ST7 XFLASH IAP example with the ST7FOPTIONS-EVAL board
STSW-ST7030	Active	XFlash IAP C-Driver Compatible with Metrowerks and Cosmic compilers.	Legacy MCUs Embedded Software	ST	STSW-ST7030 Description: XFlash IAP C-Driver Compatible with Metrowerks and Cosmic compilers.
STSW-ST7031	Active	S/W Implementation of I2C Bus master	Legacy MCUs Embedded Software	ST	STSW-ST7031 Description: S/W Implementation of I2C Bus master
STSW-ST7032	Active	Checksum self checking capability	Legacy MCUs Embedded Software	ST	STSW-ST7032 Description: Checksum self checking capability
STSW-ST7033	Active	ST72141 BLDC motor control software and flowchart example	Legacy MCUs Embedded Software	ST	STSW-ST7033 Description: ST72141 BLDC motor control software and flowchart example
STSW-ST7034	Active	Translating assembly code from HC05 to ST7	Legacy MCUs Embedded Software	ST	STSW-ST7034 Description: Translating assembly code from HC05 to ST7
STSW-ST7035	Active	Handling suspend mode on a USB mouse	Legacy MCUs Embedded Software	ST	STSW-ST7035 Description: Handling suspend mode on a USB mouse
STSW-ST7038	Active	Workaround to ISP mode limitation on the ST7MDT1-DVP2 and ST7MDT2-DVP2	Legacy MCUs Embedded Software	ST	STSW-ST7038 Description: Workaround to ISP mode limitation on the ST7MDT1-DVP2 and ST7MDT2-DVP2
STSW-ST7041	Active	ST7MC Three-Phase AC Induction Motor Ccontrol Software Library	Legacy MCUs Embedded Software	ST	STSW-ST7041 Description: ST7MC Three-Phase AC Induction Motor Ccontrol Software Library
STSW-ST7046	Active	Ekey-Udisk solution	Legacy MCUs Embedded Software	ST	STSW-ST7046 Description: Ekey-Udisk solution
STSW-ST7058	Active	ST Visual Develop (STVD 3.3.2), core debugger source files	Legacy MCUs Embedded Software	ST	STSW-ST7058 Description: ST Visual Develop (STVD 3.3.2), core debugger source files
STSW-ST7060	Active	Half Duplex USB-to-Serial bridge using the ST72611 USB microcontroller	Legacy MCUs Embedded Software	ST	STSW-ST7060 Description: Half Duplex USB-to-Serial bridge using the ST72611 USB microcontroller
STSW-ST7061	Active	LIN (Local Interconnect Network) Solutions	Legacy MCUs Embedded Software	ST	STSW-ST7061 Description: LIN (Local Interconnect Network) Solutions
STSW-ST7062	Active	Emulated data EEPROM with ST7 HDFlash memory	Legacy MCUs Embedded Software	ST	STSW-ST7062 Description: Emulated data EEPROM with ST7 HDFlash memory
STSW-ST7066	Active	ST7 Software Library	Legacy MCUs Embedded Software	ST	STSW-ST7066 Description: ST7 Software Library
STSW-ST7079	Active	ST7 HDFLASH IAP example with the ST7MDT2-TRAIN board	Legacy MCUs Embedded Software	ST	STSW-ST7079 Description: ST7 HDFLASH IAP example with the ST7MDT2-TRAIN board
STSW-ST7085	Active	ST7 math utility routines	Legacy MCUs Embedded Software	ST	STSW-ST7085 Description: ST7 math utility routines
STSW-ST7086	Active	ST7 routine for I2C slave mode management	Legacy MCUs Embedded Software	ST	STSW-ST7086 Description: ST7 routine for I2C slave mode management
STSW-ST7087	Active	ST7 UART emulation software	Legacy MCUs Embedded Software	ST	STSW-ST7087 Description: ST7 UART emulation software
STSW-ST7088	Active	ST7 Software LCD driver	Legacy MCUs Embedded Software	ST	STSW-ST7088 Description: ST7 Software LCD driver
STSW-ST7089	Active	ST7 timer PWM duty cycle switch for true 0% or 100% duty cycle	Legacy MCUs Embedded Software	ST	STSW-ST7089 Description: ST7 timer PWM duty cycle switch for true 0% or 100% duty cycle
STSW-ST7090	Active	ST7 pCAN Peripheral Driver	Legacy MCUs Embedded Software	ST	STSW-ST7090 Description: ST7 pCAN Peripheral Driver
STSW-ST7091	Active	Software Techniques for compensating ST7 ADC Errors	Legacy MCUs Embedded Software	ST	STSW-ST7091 Description: Software Techniques for compensating ST7 ADC Errors
STSW-ST7092	Active	Generating a high resolution sinewave using ST7 PWMART	Legacy MCUs Embedded Software	ST	STSW-ST7092 Description: Generating a high resolution sinewave using ST7 PWMART
STSW-ST7093	Active	SMBus Slave Driver for ST7 I2C Peripherals	Legacy MCUs Embedded Software	ST	STSW-ST7093 Description: SMBus Slave Driver for ST7 I2C Peripherals
STSW-ST7094	Active	Software UART using ST7 12-Bit Autoreload Timer	Legacy MCUs Embedded Software	ST	STSW-ST7094 Description: Software UART using ST7 12-Bit Autoreload Timer
STSW-ST7096	Active	SCI communication between ST7 and PC	Legacy MCUs Embedded Software	ST	STSW-ST7096 Description: SCI communication between ST7 and PC
STSW-ST7097	Active	SPI Communication between ST7 and EEPROM	Legacy MCUs Embedded Software	ST	STSW-ST7097 Description: SPI Communication between ST7 and EEPROM
STSW-ST7098	Active	I2C Communication between ST7 and M24Cxx EEPROM	Legacy MCUs Embedded Software	ST	STSW-ST7098 Description: I2C Communication between ST7 and M24Cxx EEPROM
STSW-ST7099	Active	ST7 software SPI master communication	Legacy MCUs Embedded Software	ST	STSW-ST7099 Description: ST7 software SPI master communication
STSW-ST7100	Active	Real time clock with ST7 timer output compare	Legacy MCUs Embedded Software	ST	STSW-ST7100 Description: Real time clock with ST7 timer output compare
STSW-ST7101	Active	ST7 - Driving an analog keyboard with the ST7 ADC	Legacy MCUs Embedded Software	ST	STSW-ST7101 Description: ST7 - Driving an analog keyboard with the ST7 ADC

All resources

Product Specifications (1)

	Resource title		Latest update
PDF	DS4130 64/44-pin 8-bit MCU with 32 to 60K Flash/ROM, ADC, five timers, SPI, SCI, I2C interface 5.2		19 Sep 2016	19 Sep 2016 DS4130 64/44-pin 8-bit MCU with 32 to 60K Flash/ROM, ADC, five timers, SPI, SCI, I2C interface 5.2

Application Notes (5 of 63)

Technical Notes & Articles (1)

	Resource title		Latest update
PDF	TN1163 Description of WLCSP for microcontrollers and recommendations for its use 4.0		11 Jul 2017	11 Jul 2017 TN1163 Description of WLCSP for microcontrollers and recommendations for its use 4.0

User Manuals (2)

	Resource title		Latest update
PDF	UM0015 ST7 8-bit MCU family user guide 1.5		21 Jun 2019	21 Jun 2019 UM0015 ST7 8-bit MCU family user guide 1.5
PDF	UM0402 Single-phase multi tariff energy meter 1.3		09 May 2017	09 May 2017 UM0402 Single-phase multi tariff energy meter 1.3

Programming Manuals (4)

	Resource title	Latest update
PDF	PM0018 ST7 Flash programming quick reference guide 6.5	05 Mar 2018	05 Mar 2018 PM0018 ST7 Flash programming quick reference guide 6.5
PDF	PM0011 ST7 family Flash programming reference manual 2.5	17 May 2018	17 May 2018 PM0011 ST7 family Flash programming reference manual 2.5
PDF	PM0012 ST7 family ICC protocol reference manual 3.4	17 May 2018	17 May 2018 PM0012 ST7 family ICC protocol reference manual 3.4
PDF	PM0002 ST7 family programming manual 2.5	17 May 2018	17 May 2018 PM0002 ST7 family programming manual 2.5

Application Notes for related Tools & Software (5 of 7)

	Resource title	Latest update
PDF	AN2271 Ekey-Udisk solution 1.5	13 Sep 2018	13 Sep 2018 AN2271 Ekey-Udisk solution 1.5
PDF	AN971 I2C communication between ST7 and M24CXX EEPROM 1.7	01 Feb 2019	01 Feb 2019 AN971 I2C communication between ST7 and M24CXX EEPROM 1.7
PDF	AN1105 ST7 pCAN peripheral driver 1.7	16 May 2018	16 May 2018 AN1105 ST7 pCAN peripheral driver 1.7
PDF	AN1904 ST7MC three-phase AC induction motor control software library 3.4	13 Sep 2018	13 Sep 2018 AN1904 ST7MC three-phase AC induction motor control software library 3.4
PDF	AN1753 Software UART using ST7LITE0 12-bit autoreload timer 2.2	04 Jun 2019	04 Jun 2019 AN1753 Software UART using ST7LITE0 12-bit autoreload timer 2.2
PDF	AN1106 Translating assembly code from HC05 to ST7 1.7	10 Jul 2020	10 Jul 2020 AN1106 Translating assembly code from HC05 to ST7 1.7
PDF	AN1363/0701 Workaround to ISP mode limitation on the ST7MDT1-DVP2 and ST7MDT2-DVP2 1.5	16 Aug 2019	16 Aug 2019 AN1363/0701 Workaround to ISP mode limitation on the ST7MDT1-DVP2 and ST7MDT2-DVP2 1.5

Training Material (5 of 9)

	Resource title	Latest update
PDF	ST7 Training Part 1 : Introduction 1.0	30 Mar 2017	30 Mar 2017 ST7 Training Part 1 : Introduction 1.0
PDF	ST7 Training Part 2 : Core 1.0	30 Mar 2017	30 Mar 2017 ST7 Training Part 2 : Core 1.0
PDF	ST7 Training Part 3 : Addressing Modes 1.0	30 Mar 2017	30 Mar 2017 ST7 Training Part 3 : Addressing Modes 1.0
PDF	ST7 Training Part 4 : Assembly Toolchain 1.0	30 Mar 2017	30 Mar 2017 ST7 Training Part 4 : Assembly Toolchain 1.0
PDF	ST7 Training Part 5 : Debugger 1.0	30 Mar 2017	30 Mar 2017 ST7 Training Part 5 : Debugger 1.0
PDF	ST7 Training Part 6 : Hardware Tools 1.0	30 Mar 2017	30 Mar 2017 ST7 Training Part 6 : Hardware Tools 1.0
PDF	ST7 Training Part 7 : Peripherals 1.0	30 Mar 2017	30 Mar 2017 ST7 Training Part 7 : Peripherals 1.0
PDF	ST7 Training Part 8 : Realizer 1.0	30 Mar 2017	30 Mar 2017 ST7 Training Part 8 : Realizer 1.0
PDF	ST7 Training Part 9 : Cosmic Compiler 1.0	30 Mar 2017	30 Mar 2017 ST7 Training Part 9 : Cosmic Compiler 1.0

Product Certifications (1)

	Resource title		Latest update
PDF	ST72F324B Qualification Certificate 1.0		30 Mar 2017	30 Mar 2017 ST72F324B Qualification Certificate 1.0

EDA Symbols, Footprints and 3D Models

All resources

Board Manufacturing Specifications (1)

	Resource title		Latest update
ZIP	Gerber files for PIR PCB (AN1828) 1.0		31 Mar 2016	31 Mar 2016 Gerber files for PIR PCB (AN1828) 1.0

Quality and Reliability

Part Number	Marketing Status	Package	Grade	RoHS Compliance Grade	Material Declaration**
ST72321BJ6	Proposal	-	Industrial	-
ST72F321BJ6T3	NRND	LQFP 44 10x10x1.4 mm	Industrial	Ecopack2	PDF XML

ST72321BJ6

Package:

Material Declaration**:

More Info

Marketing Status

Package

Grade

Industrial

RoHS Compliance Grade

ST72F321BJ6T3

Package:

LQFP 44 10x10x1.4 mm

Material Declaration**:

PDF XML

More Info

Marketing Status

Package

LQFP 44 10x10x1.4 mm

Grade

Industrial

RoHS Compliance Grade

Ecopack2

(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.

Sample & Buy

Part Number	Order from Distributors	Order from ST	Marketing Status	ECCN (US)	ECCN (EU)	Packing Type	Package	Temperature (°C)		Country of Origin	Budgetary Price (US$)*/Qty
Part Number	Order from Distributors	Order from ST	Marketing Status	ECCN (US)	ECCN (EU)	Packing Type	Package	min	max	Country of Origin	Budgetary Price (US$)*/Qty
ST72F321BJ6T3	No availability of distributors reported, please contact our sales office		NRND	EAR99	NEC	Tray	LQFP 44 10x10x1.4 mm	-40	125	MALAYSIA
ST72321BJ6	No availability of distributors reported, please contact our sales office		Proposal	-	-	-	-	-	-	-

ST72F321BJ6T3

Marketing Status

NRND

ECCN (US)

EAR99

More Info

Budgetary Price (US$)*/Qty

ECCN (EU)

NEC

Packing Type

Tray

Package

LQFP 44 10x10x1.4 mm

Operating Temperature (°C)

(min)

-40

(max)

125

Budgetary Price (US$)* / Qty

Country of Origin

MALAYSIA

ST72321BJ6

Marketing Status

Proposal

ECCN (US)

More Info

Budgetary Price (US$)*/Qty

ECCN (EU)

Packing Type

Package

Operating Temperature (°C)

(min)

(max)

Budgetary Price (US$)* / Qty

Country of Origin

(*) Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office or our Distributors

	Resource title	Latest update
PDF	AN1812 A High Precision, Low Cost, Single Supply ADC for Positive and Negative Input Voltages 1.5	09 Oct 2020	09 Oct 2020 AN1812 A High Precision, Low Cost, Single Supply ADC for Positive and Negative Input Voltages 1.5
PDF	AN1755 A High Resolution/Precision thermometer using ST7 and NE555 1.3	21 Oct 2015	21 Oct 2015 AN1755 A High Resolution/Precision thermometer using ST7 and NE555 1.3
PDF	AN1530 Accurate timebase for low-cost ST7 applications with internal RC oscillator 1.4	21 Oct 2015	21 Oct 2015 AN1530 Accurate timebase for low-cost ST7 applications with internal RC oscillator 1.4
PDF	AN2389 An MCU-based low cost non-inverting buck-boost converter for battery chargers 1.5	10 Jul 2020	10 Jul 2020 AN2389 An MCU-based low cost non-inverting buck-boost converter for battery chargers 1.5
PDF	AN2017 DIFFERENT WAYS TO RESET ST7 MICROCONTROLLER 1.3	21 Oct 2015	21 Oct 2015 AN2017 DIFFERENT WAYS TO RESET ST7 MICROCONTROLLER 1.3
PDF	AN1754 Data logging program for testing ST7 applications via ICC 1.4	21 Oct 2015	21 Oct 2015 AN1754 Data logging program for testing ST7 applications via ICC 1.4
PDF	AN1577 Device firmware upgrade (DFU) implementation in ST7 USB devices 1.4	13 Sep 2018	13 Sep 2018 AN1577 Device firmware upgrade (DFU) implementation in ST7 USB devices 1.4
PDF	AN1633 Device firmware upgrade (DFU) implementation in non-USB applications 1.4	13 Sep 2018	13 Sep 2018 AN1633 Device firmware upgrade (DFU) implementation in non-USB applications 1.4
PDF	AN976 Driving a buzzer through ST7 timer PWM function 1.4	10 Sep 2015	10 Sep 2015 AN976 Driving a buzzer through ST7 timer PWM function 1.4
PDF	AN979 Driving an analog keyboard with the ST7 ADC 1.6	10 Sep 2015	10 Sep 2015 AN979 Driving an analog keyboard with the ST7 ADC 1.6
PDF	AN1181 Electrostatic discharge sensitivity measurement 1.6	11 Jul 2017	11 Jul 2017 AN1181 Electrostatic discharge sensitivity measurement 1.6
PDF	AN1502 Emulated data EEPROM with ST7 HDFlash memory 1.5	21 Oct 2015	21 Oct 2015 AN1502 Emulated data EEPROM with ST7 HDFlash memory 1.5
PDF	AN1477 Emulated data EEPROM with XFlash memory 1.4	14 Nov 2014	14 Nov 2014 AN1477 Emulated data EEPROM with XFlash memory 1.4
PDF	AN985 Executing code in ST7 RAM 1.4	28 Sep 2015	28 Sep 2015 AN985 Executing code in ST7 RAM 1.4
PDF	AN1712 GENERATING A HIGH RESOLUTION SINEWAVE USING ST7 PWMART 1.5	13 Sep 2018	13 Sep 2018 AN1712 GENERATING A HIGH RESOLUTION SINEWAVE USING ST7 PWMART 1.5
PDF	AN1149 Handling suspend mode on a USB mouse 1.6	09 Oct 2020	09 Oct 2020 AN1149 Handling suspend mode on a USB mouse 1.6
PDF	AN1014 How to minimize the ST7 power consumption 1.4	10 Sep 2015	10 Sep 2015 AN1014 How to minimize the ST7 power consumption 1.4
PDF	AN971 I2C communication between ST7 and M24CXX EEPROM 1.7	01 Feb 2019	01 Feb 2019 AN971 I2C communication between ST7 and M24CXX EEPROM 1.7
PDF	AN1576 In-Application Programming (IAP) drivers for ST7 HDFlash or XFlash MCUs 1.4	21 Oct 2015	21 Oct 2015 AN1576 In-Application Programming (IAP) drivers for ST7 HDFlash or XFlash MCUs 1.4
PDF	AN1278 LIN (Local Interconnect Network) solutions 1.5	14 Nov 2014	14 Nov 2014 AN1278 LIN (Local Interconnect Network) solutions 1.5
PDF	AN1047 Managing reception errors with the ST7 SCI peripheral 1.4	28 Sep 2015	28 Sep 2015 AN1047 Managing reception errors with the ST7 SCI peripheral 1.4
PDF	AN1131 Migrating applications from ST72511/311/314/124 to ST72521/321/324 1.5	29 Mar 2018	29 Mar 2018 AN1131 Migrating applications from ST72511/311/314/124 to ST72521/321/324 1.5
PDF	AN1040 Monitoring the VBUS signal for USB self-powered devices 1.4	13 Oct 2017	13 Oct 2017 AN1040 Monitoring the VBUS signal for USB self-powered devices 1.4
PDF	AN1040 Monitoring the VBUS signal for USB self-powered devices 1.6	09 Oct 2020	09 Oct 2020 AN1040 Monitoring the VBUS signal for USB self-powered devices 1.6
PDF	AN1044 Multiple interrupt sources management for ST7 MCUs 1.4	28 Sep 2015	28 Sep 2015 AN1044 Multiple interrupt sources management for ST7 MCUs 1.4
PDF	AN1575 On-board programming methods for XFlash and HDFlash ST7 MCUs 1.4	21 Oct 2015	21 Oct 2015 AN1575 On-board programming methods for XFlash and HDFlash ST7 MCUs 1.4
PDF	AN1077 Overview of enhanced CAN controllers for ST7 and ST9 MCUs 1.5	21 Oct 2015	21 Oct 2015 AN1077 Overview of enhanced CAN controllers for ST7 and ST9 MCUs 1.5
PDF	AN2511 PMBus™ interface using ST7 I²C 3.3	10 Jul 2020	10 Jul 2020 AN2511 PMBus™ interface using ST7 I²C 3.3
PDF	AN1179 Programming ST7 Flash microcontrollers in remote ISP mode (In-Situ Programming) 1.4	21 Oct 2015	21 Oct 2015 AN1179 Programming ST7 Flash microcontrollers in remote ISP mode (In-Situ Programming) 1.4
PDF	AN974 Real time clock with ST7 Timer Output Compare 1.4	10 Sep 2015	10 Sep 2015 AN974 Real time clock with ST7 Timer Output Compare 1.4
PDF	AN969 SCI communication between ST7 and PC 1.4	10 Sep 2015	10 Sep 2015 AN969 SCI communication between ST7 and PC 1.4
PDF	AN1713 SMBus slave driver for ST7 I2C peripheral 1.4	21 Oct 2015	21 Oct 2015 AN1713 SMBus slave driver for ST7 I2C peripheral 1.4
PDF	AN1711 SOFTWARE TECHNIQUES FOR COMPENSATING ST7 ADC ERRORS 1.3	21 Oct 2015	21 Oct 2015 AN1711 SOFTWARE TECHNIQUES FOR COMPENSATING ST7 ADC ERRORS 1.3
PDF	AN970 SPI communication between ST7 and EEPROM 1.5	10 Sep 2015	10 Sep 2015 AN970 SPI communication between ST7 and EEPROM 1.5
PDF	AN3084 ST7 10-bit A/D converter non-linearity at center of range 1.3	28 Sep 2015	28 Sep 2015 AN3084 ST7 10-bit A/D converter non-linearity at center of range 1.3
PDF	AN990 ST7 Benefits versus Industry Standard 1.4	10 Sep 2015	10 Sep 2015 AN990 ST7 Benefits versus Industry Standard 1.4
PDF	AN1070 ST7 Checksum self-checking capability 1.4	28 Sep 2015	28 Sep 2015 AN1070 ST7 Checksum self-checking capability 1.4
PDF	AN1045 ST7 S/W implementation of I2C bus master 1.4	28 Sep 2015	28 Sep 2015 AN1045 ST7 S/W implementation of I2C bus master 1.4
PDF	AN972 ST7 Software SPI master communication 1.4	10 Sep 2015	10 Sep 2015 AN972 ST7 Software SPI master communication 1.4
PDF	AN1046 ST7 UART emulation software 1.4	28 Sep 2015	28 Sep 2015 AN1046 ST7 UART emulation software 1.4
PDF	AN910 ST7 and ST9 performance benchmarking 2.5	05 Sep 2016	05 Sep 2016 AN910 ST7 and ST9 performance benchmarking 2.5
PDF	AN1635 ST7 customer ROM code release information 1.4	21 Oct 2015	21 Oct 2015 AN1635 ST7 customer ROM code release information 1.4
PDF	AN980 ST7 keypad decoding techniques, implementing wake-up on keystroke 1.5	28 Sep 2015	28 Sep 2015 AN980 ST7 keypad decoding techniques, implementing wake-up on keystroke 1.5
PDF	AN1039 ST7 math utility routines 1.4	28 Sep 2015	28 Sep 2015 AN1039 ST7 math utility routines 1.4
PDF	AN1105 ST7 pCAN peripheral driver 1.7	16 May 2018	16 May 2018 AN1105 ST7 pCAN peripheral driver 1.7
PDF	AN1042 ST7 routine for I2C slave mode management 1.4	28 Sep 2015	28 Sep 2015 AN1042 ST7 routine for I2C slave mode management 1.4
PDF	AN987 ST7 serial test controller programming 1.5	28 Sep 2015	28 Sep 2015 AN987 ST7 serial test controller programming 1.5
PDF	AN1048 ST7 software LCD driver 5.3	30 Mar 2016	30 Mar 2016 AN1048 ST7 software LCD driver 5.3
PDF	AN1078 ST7 timer PWM duty cycle switch for true 0% or 100% duty cycle 1.4	28 Sep 2015	28 Sep 2015 AN1078 ST7 timer PWM duty cycle switch for true 0% or 100% duty cycle 1.4
PDF	AN1086 ST7/ST10/U435 CAN-do solutions for car multiplexing 1.5	21 Oct 2015	21 Oct 2015 AN1086 ST7/ST10/U435 CAN-do solutions for car multiplexing 1.5
PDF	AN1068 Selecting between ROM, FASTROM and Flash for a microcontroller 1.4	08 Jun 2016	08 Jun 2016 AN1068 Selecting between ROM, FASTROM and Flash for a microcontroller 1.4
PDF	AN886 Selecting between ROM, FASTROM and OTP for a microcontroller 1.3	03 Jan 2018	03 Jan 2018 AN886 Selecting between ROM, FASTROM and OTP for a microcontroller 1.3
PDF	AN1504 Starting a PWM signal directly at high level using the ST7 16-bit timer 1.5	29 Mar 2018	29 Mar 2018 AN1504 Starting a PWM signal directly at high level using the ST7 16-bit timer 1.5
PDF	AN2278 Temperature sensor application using ST LM135 3.3	01 Oct 2020	01 Oct 2020 AN2278 Temperature sensor application using ST LM135 3.3
PDF	AN1106 Translating assembly code from HC05 to ST7 1.7	10 Jul 2020	10 Jul 2020 AN1106 Translating assembly code from HC05 to ST7 1.7
PDF	AN1636 Understanding and minimising ADC conversion errors 1.5	23 Dec 2020	23 Dec 2020 AN1636 Understanding and minimising ADC conversion errors 1.5
PDF	AN1041 Using ST7 PWM signal to generate analog output (sinusoïd) 1.7	10 Jul 2020	10 Jul 2020 AN1041 Using ST7 PWM signal to generate analog output (sinusoïd) 1.7
PDF	AN982 Using ceramic resonators with the ST7 1.6	10 Jul 2020	10 Jul 2020 AN982 Using ceramic resonators with the ST7 1.6
PDF	AN1445 Using the ST7 SPI to emulate a 16-bit slave 1.6	10 Jul 2020	10 Jul 2020 AN1445 Using the ST7 SPI to emulate a 16-bit slave 1.6
PDF	AN1603 Using the ST7 USB device firmware upgrade development kit (DFU-DK) 1.4	05 Sep 2016	05 Sep 2016 AN1603 Using the ST7 USB device firmware upgrade development kit (DFU-DK) 1.4
PDF	AN1325 Using the ST7 USB low-speed library V4.2x 1.4	13 Sep 2018	13 Sep 2018 AN1325 Using the ST7 USB low-speed library V4.2x 1.4
PDF	AN1017 Using the ST7 Universal Serial Bus microncontroller 1.7	10 Jul 2020	10 Jul 2020 AN1017 Using the ST7 Universal Serial Bus microncontroller 1.7
PDF	AN986 Using the indirect addressing mode with ST7 1.4	10 Sep 2015	10 Sep 2015 AN986 Using the indirect addressing mode with ST7 1.4

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ST72321BJ6

Circuit Diagram

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Software Development Tools

MCU & MPU Embedded Software

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Product Specifications (1)

Application Notes (5 of 63)

Technical Notes & Articles (1)

User Manuals (2)

Programming Manuals (4)

Application Notes for related Tools & Software (5 of 7)

Training Material (5 of 9)

Product Certifications (1)

EDA Symbols, Footprints and 3D Models

All resources

Board Manufacturing Specifications (1)

Quality and Reliability

Sample & Buy