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ST7LITE39F2

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8-BIT MICROCONTROLLER WITH SINGLE VOLTAGE FLASH, DATA EEPROM, ADC, TIMERS, SPI, LINSCI

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  • The ST7LITE3 is a member of the ST7 microcontroller family. All ST7 devices are based on a common industry-standard 8-bit core, featuring an enhanced instruction set.

    The ST7LITE3 features FLASH memory with byte-by-byte In-Circuit Programming (ICP) and In-Application Programming (IAP) capability.
    Under software control, the ST7LITE3 device can be placed in WAIT, SLOW, or HALT mode, reducing power consumption when the application is in idle or standby state.
    The enhanced instruction set and addressing modes of the ST7 offer both power and flexibility to software developers, enabling the design of highly efficient and compact application code. In addition to standard 8-bit data management, all ST7 microcontrollers feature true bit manipulation, 8x8 unsigned multiplication and indirect addressing modes.
    For easy reference, all parametric data are located in section 13 on page 131.
    The devices feature an on-chip Debug Module (DM) to support in-circuit debugging (ICD). For a description of the DM registers, refer to the ST7 ICC Protocol Reference Manual.

    Key Features

    • A/D Converter7 input channels 10-bit resolution
    • Interrupt Management10 interrupt vectors plus TRAP and RESET12 external interrupt lines (on 4 vectors)
    • Development ToolsFull hardware/software development packageDM (Debug module)
    • Memories8 Kbytes program memory: single voltage extended Flash (XFlash) Program memory with read-out protection, In-Circuit Programming and In-Application programming (ICP and IAP), data retention: 20 years at 55˚C.384 bytes RAM256 bytes data EEPROM with read-out protection. 300K write/erase cycles guaranteed, data retention: 20 years at 55˚C.
    • I/O PortsUp to 15 multifunctional bidirectional I/O lines7 high sink outputs
    • Clock, Reset and Supply ManagementEnhanced reset systemEnhanced low voltage supervisor (LVD) for main supply and an auxiliary voltage detector (AVD) with interrupt capability for implementing safe power-down proceduresClock sources: Internal RC 1% oscillator, crystal/ceramic resonator or external clock Optional x4 or x8 PLL for 4 or 8 MHz internal clockFive Power Saving Modes: Halt, Active-Halt, Wait and Slow, Auto Wake Up From Halt
    • 2 Communication InterfacesMaster/slave LINSCI™ asynchronous serial interfaceSPI synchronous serial interface
    • Instruction Set8-bit data manipulation63 basic instructions with illegal opcode detection17 main addressing modes8 x 8 unsigned multiply instructions
    • 5 TimersConfigurable Watchdog TimerTwo 8-bit Lite Timers with prescaler, 1 realtime base and 1 input captureTwo 12-bit Auto-reload Timers with 4 PWM outputs, input capture and output compare functions
    Read more Read less

Circuit Diagram

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All resources

Product Specifications (1)

Resource title
Latest update
DS4314 8-bit MCU with single voltage Flash, data EEPROM, ADC, timers, SPI, LINSCI 9.2
19 Sep 2016
19 Sep 2016
DS4314 8-bit MCU with single voltage Flash, data EEPROM, ADC, timers, SPI, LINSCI 9.2

Application Notes (5 of 62)

Resource title
Latest update
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
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
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
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
AN2017 DIFFERENT WAYS TO RESET ST7 MICROCONTROLLER 1.3
21 Oct 2015
21 Oct 2015
AN2017 DIFFERENT WAYS TO RESET ST7 MICROCONTROLLER 1.3
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
AN1577 Device firmware upgrade (DFU) implementation in ST7 USB devices 1.4
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13 Sep 2018
AN1577 Device firmware upgrade (DFU) implementation in ST7 USB devices 1.4
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
AN976 Driving a buzzer through ST7 timer PWM function 1.4
10 Sep 2015
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AN976 Driving a buzzer through ST7 timer PWM function 1.4
AN979 Driving an analog keyboard with the ST7 ADC 1.6
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AN1181 Electrostatic discharge sensitivity measurement 1.6
11 Jul 2017
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AN1181 Electrostatic discharge sensitivity measurement 1.6
AN1502 Emulated data EEPROM with ST7 HDFlash memory 1.5
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AN1712 GENERATING A HIGH RESOLUTION SINEWAVE USING ST7 PWMART 1.5
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AN1149 Handling suspend mode on a USB mouse 1.6
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AN1014 How to minimize the ST7 power consumption 1.4
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AN1575 On-board programming methods for XFlash and HDFlash ST7 MCUs 1.4
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AN1077 Overview of enhanced CAN controllers for ST7 and ST9 MCUs 1.5
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AN2511 PMBus™ interface using ST7 I²C 3.3
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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
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10 Sep 2015
10 Sep 2015
AN969 SCI communication between ST7 and PC 1.4
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
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
AN970 SPI communication between ST7 and EEPROM 1.5
10 Sep 2015
10 Sep 2015
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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
AN990 ST7 Benefits versus Industry Standard 1.4
10 Sep 2015
10 Sep 2015
AN990 ST7 Benefits versus Industry Standard 1.4
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28 Sep 2015
28 Sep 2015
AN1070 ST7 Checksum self-checking capability 1.4
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28 Sep 2015
28 Sep 2015
AN1045 ST7 S/W implementation of I2C bus master 1.4
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10 Sep 2015
10 Sep 2015
AN972 ST7 Software SPI master communication 1.4
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28 Sep 2015
28 Sep 2015
AN1046 ST7 UART emulation software 1.4
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05 Sep 2016
05 Sep 2016
AN910 ST7 and ST9 performance benchmarking 2.5
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21 Oct 2015
21 Oct 2015
AN1635 ST7 customer ROM code release information 1.4
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28 Sep 2015
28 Sep 2015
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28 Sep 2015
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16 May 2018
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28 Sep 2015
28 Sep 2015
AN1042 ST7 routine for I2C slave mode management 1.4
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AN987 ST7 serial test controller programming 1.5
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30 Mar 2016
30 Mar 2016
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28 Sep 2015
28 Sep 2015
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AN1086 ST7/ST10/U435 CAN-do solutions for car multiplexing 1.5
21 Oct 2015
21 Oct 2015
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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
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
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
AN2278 Temperature sensor application using ST LM135 3.3
01 Oct 2020
01 Oct 2020
AN2278 Temperature sensor application using ST LM135 3.3
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
AN1636 Understanding and minimising ADC conversion errors 1.5
23 Jan 2018
23 Jan 2018
AN1636 Understanding and minimising ADC conversion errors 1.5
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
AN982 Using ceramic resonators with the ST7 1.6
10 Jul 2020
10 Jul 2020
AN982 Using ceramic resonators with the ST7 1.6
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
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
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
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
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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Technical Notes & Articles (1)

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Latest update
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Resource title
Latest update
PM0018 ST7 Flash programming quick reference guide 6.5
05 Mar 2018
05 Mar 2018
PM0018 ST7 Flash programming quick reference guide 6.5
PM0011 ST7 family Flash programming reference manual 2.5
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PM0011 ST7 family Flash programming reference manual 2.5
PM0012 ST7 family ICC protocol reference manual 3.4
17 May 2018
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PM0012 ST7 family ICC protocol reference manual 3.4
PM0002 ST7 family programming manual 2.5
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Application Notes for related Tools & Software (5 of 8)

Resource title
Latest update
AN2271 Ekey-Udisk solution 1.5
13 Sep 2018
13 Sep 2018
AN2271 Ekey-Udisk solution 1.5
AN971 I2C communication between ST7 and M24CXX EEPROM 1.7
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AN971 I2C communication between ST7 and M24CXX EEPROM 1.7
AN2281 Low cost self-synchronizing PMAC motor drive using ST7FLITE35 1.5
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AN2281 Low cost self-synchronizing PMAC motor drive using ST7FLITE35 1.5
AN1105 ST7 pCAN peripheral driver 1.7
16 May 2018
16 May 2018
AN1105 ST7 pCAN peripheral driver 1.7
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
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
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
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
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Training Material (5 of 9)

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

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

Product Certifications (1)

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

EDA Symbols, Footprints and 3D Models

STMicroelectronics - ST7LITE39F2

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Quality and Reliability

Part Number Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
ST7FLITE39F2M6
NRND
SO-20 Industrial Ecopack1

ST7FLITE39F2M6

Package:

SO-20

Material Declaration**:

More Info

Marketing Status

NRND

Package

SO-20

Grade

Industrial

RoHS Compliance Grade

Ecopack1

(**) 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
min
max
ST7FLITE39F2M6 Available at 4 distributors

Distributor availability ofST7FLITE39F2M6

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 698 1 Order Now
ARROW EUROPE 6 0 Order Now
MOUSER WORLDWIDE 516 1 Order Now
Farnell Element14 EUROPE 34 1 Order Now

Distributor reported inventory date: 2020-12-03

Distributor Name

DIGIKEY

Stock

698

Min.Order

1

Region

WORLDWIDE Order Now

ARROW

Stock

6

Min.Order

0

Region

EUROPE Order Now

MOUSER

Stock

516

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

34

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2020-12-03

Buy Direct
NRND
EAR99 NEC Tube SO-20 -40 85 MALAYSIA

ST7FLITE39F2M6

Marketing Status

NRND

ECCN (US)

EAR99
More Info

Budgetary Price (US$)*/Qty

Distributor availability ofST7FLITE39F2M6

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 698 1 Order Now
ARROW EUROPE 6 0 Order Now
MOUSER WORLDWIDE 516 1 Order Now
Farnell Element14 EUROPE 34 1 Order Now

Distributor reported inventory date: 2020-12-03

Distributor Name

DIGIKEY

Stock

698

Min.Order

1

Region

WORLDWIDE Order Now

ARROW

Stock

6

Min.Order

0

Region

EUROPE Order Now

MOUSER

Stock

516

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

34

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2020-12-03

ECCN (EU)

NEC

Packing Type

Tube

Package

SO-20

Operating Temperature (°C)

(min)

-40

(max)

85

Budgetary Price (US$)* / Qty

Country of Origin

MALAYSIA

(*) 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