STM8S105K4

NRND
Design Win Education

Mainstream Access line 8-bit MCU with 16 Kbytes Flash, 16 MHz CPU, integrated EEPROM

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Product overview

Description

The STM8S105x4/6 access line 8-bit microcontrollers offer from 16 to 32 Kbyte Flash program memory, plus integrated true data EEPROM. The STM8S microcontroller family reference manual (RM0016) refers to devices in this family as medium-density. All devices of the STM8S105x4/6 access line provide the following benefits: reduced system cost, performance and robustness, short development cycles, and product longevity.

The system cost is reduced thanks to an integrated true data EEPROM for up to 300 k write/erase cycles and a high system integration level with internal clock oscillators, watchdog and brown-out reset.

Device performance is ensured by a 16 MHz CPU clock frequency and enhanced characteristics which include robust I/O, independent watchdogs (with a separate clock source), and a clock security system.

Short development cycles are guaranteed due to application scalability across common family product architecture with compatible pinout, memory map and modular peripherals.

Product longevity is ensured in the STM8S family thanks to their advanced core which is made in a state-of-the-art technology for applications with 2.95 V to 5.5 V operating supply.

Full documentation is offered as well as a wide choice of development tools.

  • All features

    • Core
      • 16 MHz advanced STM8 core with Harvard architecture and 3-stage pipeline
      • Extended instruction set
    • Memories
      • Program memory: up to 32 Kbyte Flash; data retention 20 years at 55 °C after 10 kcycle
      • Data memory: up to 1 Kbyte true data EEPROM; endurance 300 kcycle
      • RAM: up to 2 Kbyte
    • Clock, reset and supply management
      • 2.95 to 5.5 V operating voltage
      • Flexible clock control, 4 master clock sources
        • Low power crystal resonator oscillator
        • External clock input
        • Internal, user-trimmable 16 MHz RC
        • Internal low-power 128 kHz RC
      • Clock security system with clock monitor
      • Power management:
        • Low-power modes (wait, active-halt, halt)
        • Switch-off peripheral clocks individually
      • Permanently active, low-consumption power-on and power-down reset
    • Interrupt management
      • Nested interrupt controller with 32 interrupts
      • Up to 37 external interrupts on 6 vectors
    • Timers
      • Advanced control timer: 16-bit, 4 CAPCOM channels, 3 complementary outputs, dead-time insertion and flexible synchronization
      • 2x16-bit general purpose timer, with 2+3 CAPCOM channels (IC, OC or PWM)
      • 8-bit basic timer with 8-bit prescaler
      • Auto wake-up timer
      • Window watchdog and independent watchdog timers
    • Communication interfaces
      • UART with clock output for synchronous operation, SmartCard, IrDA, LIN master mode
      • SPI interface up to 8 Mbit/s
      • I2C interface up to 400 kbit/s
    • Analog to digital converter (ADC)
      • 10-bit, ±1 LSB ADC with up to 10 multiplexed channels, scan mode and analog watchdog
    • I/Os
      • Up to 38 I/Os on a 48-pin package including 16 high sink outputs
      • Highly robust I/O design, immune against current injection
    • Unique ID
      • 96-bit unique key for each device

Circuit Diagram

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Quality and Reliability

Part Number Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
STM8S105K4T3C
NRND
LQFP 32 7x7x1.4 mm Industrial Ecopack2
STM8S105K4T3CTR
NRND
LQFP 32 7x7x1.4 mm Industrial Ecopack2
STM8S105K4T6C
NRND
LQFP 32 7x7x1.4 mm Industrial Ecopack2
STM8S105K4T6CTR
NRND
LQFP 32 7x7x1.4 mm Industrial Ecopack2
STM8S105K4U3A
NRND
UFQFPN 32 5x5x0.55 mm Industrial Ecopack2
STM8S105K4U3ATR
NRND
UFQFPN 32 5x5x0.55 mm Industrial Ecopack2
STM8S105K4U6A
NRND
UFQFPN 32 5x5x0.55 mm Industrial Ecopack2
STM8S105K4U6ATR
NRND
UFQFPN 32 5x5x0.55 mm Industrial Ecopack2

STM8S105K4T3C

Package:

LQFP 32 7x7x1.4 mm

Material Declaration**:

PDF XML

Marketing Status

NRND

Package

LQFP 32 7x7x1.4 mm

Grade

Industrial

RoHS Compliance Grade

Ecopack2

STM8S105K4T3CTR

Package:

LQFP 32 7x7x1.4 mm

Material Declaration**:

PDF XML

Marketing Status

NRND

Package

LQFP 32 7x7x1.4 mm

Grade

Industrial

RoHS Compliance Grade

Ecopack2

STM8S105K4T6C

Package:

LQFP 32 7x7x1.4 mm

Material Declaration**:

PDF XML

Marketing Status

NRND

Package

LQFP 32 7x7x1.4 mm

Grade

Industrial

RoHS Compliance Grade

Ecopack2

STM8S105K4T6CTR

Package:

LQFP 32 7x7x1.4 mm

Material Declaration**:

PDF XML

Marketing Status

NRND

Package

LQFP 32 7x7x1.4 mm

Grade

Industrial

RoHS Compliance Grade

Ecopack2

STM8S105K4U3A

Package:

UFQFPN 32 5x5x0.55 mm

Material Declaration**:

PDF XML

Marketing Status

NRND

Package

UFQFPN 32 5x5x0.55 mm

Grade

Industrial

RoHS Compliance Grade

Ecopack2

STM8S105K4U3ATR

Package:

UFQFPN 32 5x5x0.55 mm

Material Declaration**:

PDF XML

Marketing Status

NRND

Package

UFQFPN 32 5x5x0.55 mm

Grade

Industrial

RoHS Compliance Grade

Ecopack2

STM8S105K4U6A

Package:

UFQFPN 32 5x5x0.55 mm

Material Declaration**:

PDF XML

Marketing Status

NRND

Package

UFQFPN 32 5x5x0.55 mm

Grade

Industrial

RoHS Compliance Grade

Ecopack2

STM8S105K4U6ATR

Package:

UFQFPN 32 5x5x0.55 mm

Material Declaration**:

PDF XML

Marketing Status

NRND

Package

UFQFPN 32 5x5x0.55 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

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Part Number
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Package
Packing Type
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ECCN (US)
ECCN (EU)
Temperature (°C)
Operating Temperature (°C) (min)
min
max
STM8S105K4U6A
Available at distributors

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UFQFPN 32 5x5x0.55 mm Tray PHILIPPINES EAR99 NEC -40 85

-40

STM8S105K4T6C
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LQFP 32 7x7x1.4 mm Tray MALAYSIA EAR99 NEC -40 85

-40

STM8S105K4T3C
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LQFP 32 7x7x1.4 mm Tray MALAYSIA EAR99 NEC -40 125

-40

STM8S105K4U6ATR
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UFQFPN 32 5x5x0.55 mm Tape and Reel PHILIPPINES EAR99 NEC -40 85

-40

STM8S105K4T6CTR
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Distributor reported inventory date:

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LQFP 32 7x7x1.4 mm Tape and Reel MALAYSIA EAR99 NEC -40 85

-40

STM8S105K4T3CTR
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Distributor reported inventory date:

No availability of distributors reported, please contact our sales office
LQFP 32 7x7x1.4 mm Tape and Reel MALAYSIA EAR99 NEC -40 125

-40

STM8S105K4U3A
Available at distributors

Distributor availability of STM8S105K4U3A

Distributor Name
Region Stock Min. Order Third party link

Distributor reported inventory date:

No availability of distributors reported, please contact our sales office
UFQFPN 32 5x5x0.55 mm Tray PHILIPPINES EAR99 NEC -40 125

-40

STM8S105K4U3ATR
Available at distributors

Distributor availability of STM8S105K4U3ATR

Distributor Name
Region Stock Min. Order Third party link

Distributor reported inventory date:

No availability of distributors reported, please contact our sales office
UFQFPN 32 5x5x0.55 mm Tape and Reel PHILIPPINES EAR99 NEC -40 125

-40

STM8S105K4U6A NRND

Budgetary Price (US$)*/Qty:
-
Package:
UFQFPN 32 5x5x0.55 mm
Packing Type:
Tray
RoHS:
-
Country of Origin:
PHILIPPINES
ECCN (US):
EAR99
ECCN (EU):
NEC

Part Number:

STM8S105K4U6A

Operating Temperature (°C)

Min:

-40

Max:

85

Distributor Name

Distributor reported inventory date:

STM8S105K4T6C NRND

Budgetary Price (US$)*/Qty:
-
Package:
LQFP 32 7x7x1.4 mm
Packing Type:
Tray
RoHS:
-
Country of Origin:
MALAYSIA
ECCN (US):
EAR99
ECCN (EU):
NEC

Part Number:

STM8S105K4T6C

Operating Temperature (°C)

Min:

-40

Max:

85

Distributor Name

Distributor reported inventory date:

STM8S105K4T3C NRND

Budgetary Price (US$)*/Qty:
-
Package:
LQFP 32 7x7x1.4 mm
Packing Type:
Tray
RoHS:
-
Country of Origin:
MALAYSIA
ECCN (US):
EAR99
ECCN (EU):
NEC

Part Number:

STM8S105K4T3C

Operating Temperature (°C)

Min:

-40

Max:

125

Distributor Name

Distributor reported inventory date:

STM8S105K4U6ATR NRND

Budgetary Price (US$)*/Qty:
-
Package:
UFQFPN 32 5x5x0.55 mm
Packing Type:
Tape and Reel
RoHS:
-
Country of Origin:
PHILIPPINES
ECCN (US):
EAR99
ECCN (EU):
NEC

Part Number:

STM8S105K4U6ATR

Operating Temperature (°C)

Min:

-40

Max:

85

STM8S105K4T6CTR NRND

Budgetary Price (US$)*/Qty:
-
Package:
LQFP 32 7x7x1.4 mm
Packing Type:
Tape and Reel
RoHS:
-
Country of Origin:
MALAYSIA
ECCN (US):
EAR99
ECCN (EU):
NEC

Part Number:

STM8S105K4T6CTR

Operating Temperature (°C)

Min:

-40

Max:

85

Distributor Name

Distributor reported inventory date:

STM8S105K4T3CTR NRND

Budgetary Price (US$)*/Qty:
-
Package:
LQFP 32 7x7x1.4 mm
Packing Type:
Tape and Reel
RoHS:
-
Country of Origin:
MALAYSIA
ECCN (US):
EAR99
ECCN (EU):
NEC

Part Number:

STM8S105K4T3CTR

Operating Temperature (°C)

Min:

-40

Max:

125

Distributor Name

Distributor reported inventory date:

STM8S105K4U3A NRND

Budgetary Price (US$)*/Qty:
-
Package:
UFQFPN 32 5x5x0.55 mm
Packing Type:
Tray
RoHS:
-
Country of Origin:
PHILIPPINES
ECCN (US):
EAR99
ECCN (EU):
NEC

Part Number:

STM8S105K4U3A

Operating Temperature (°C)

Min:

-40

Max:

125

STM8S105K4U3ATR NRND

Budgetary Price (US$)*/Qty:
-
Package:
UFQFPN 32 5x5x0.55 mm
Packing Type:
Tape and Reel
RoHS:
-
Country of Origin:
PHILIPPINES
ECCN (US):
EAR99
ECCN (EU):
NEC

Part Number:

STM8S105K4U3ATR

Operating Temperature (°C)

Min:

-40

Max:

125

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