STM8S903K3T6C Datasheet, PDF (1/116 Pages) STMicroelectronics – 16 MHz STM8S 8-bit MCU, up to 8 Kbytes Flash, 1 Kbyte RAM, 640 bytes EEPROM,10-bit ADC, 2 timers, UART, SPI, I²C

STM8S903K3 STM8S903F3
16 MHz STM8S 8-bit MCU, up to 8 Kbytes Flash, 1 Kbyte RAM, 640
bytes EEPROM,10-bit ADC, 2 timers, UART, SPI, I²C
- ^{Switch-off peripheral clocks individually}
• ^{Permanently active, low consumption power-on}
and power-down reset
LQFP32 7x7 UFQFPN32 5x5 SDIP32 400 mils
Interrupt management
• ^{Nested interrupt controller with 32 interrupts}
• ^{Up to 28 external interrupts on 7 vectors}
TSSOP20 UFQFPN20 3x3 SO20W 300 mils
Features
Core
• 16 MHz advanced STM8 core with Harvard
architecture and 3-stage pipeline
• ^{Extended instruction set}
Memories
• Program memory: 8 Kbytes Flash; data retention
20 years at 55 °C after 10 kcycles
• Data memory: 640 bytes true data EEPROM;
endurance 300 kcycles
• ^{RAM: 1 Kbytes}
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)}
Timers
• Advanced control timer: 16-bit, 4 CAPCOM
channels, 3 complementary outputs, dead-time
insertion and flexible synchronization
• 16-bit general purpose timer, with 3 CAPCOM
channels (IC, OC or PWM)
• ^{8-bit basic timer with 8-bit prescaler}
• ^{Auto wakeup timer}
• ^{Window and independent watchdog timers}
Communications 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 7 muxed channels
+ 1 internal channel, scan mode and analog
watchdog
• ^{Internal reference voltage measurement}
I/Os
• Up to 28 I/Os on a 32-pin package including 21
high sink outputs
• Highly robust I/O design, immune against current
injection
Development support
• Embedded single wire interface module (SWIM)
for fast on-chip programming and non intrusive
debugging
Unique ID: 96-bit key including lot number
June 2012
DocID15590 Rev 8
1/116
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