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STM8S105XX

Description
Access line, STM8S 8-bit MCU, up to 32 Kbytes Flash, 10-bit ADC, timers, USART, SPI, IC
File Size356KB,56 Pages
ManufacturerSTMicroelectronics
Websitehttp://www.st.com/
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STM8S105XX Overview

Access line, STM8S 8-bit MCU, up to 32 Kbytes Flash, 10-bit ADC, timers, USART, SPI, IC

STM8S103xx
STM8S105xx
Access line, STM8S 8-bit MCU, up to 32 Kbytes Flash,
10-bit ADC, timers, USART, SPI, I²C
Preliminary Data
Features
Core
Max f
CPU
: up to 16 MHz
Advanced STM8 core with Harvard
architecture and 3-stage pipeline
Extended instruction set
LQFP48 7x7
LQFP44 10x10
Memories
Program memory: Up to 32 Kbytes Flash; data
retention 20 years at 85°C after 1 kcycles
RAM: Up to 2 Kbytes
LQFP32 7x7
TSSOP20
VFQFN32 5x5
Communications interfaces
Clock, reset and supply management
3.0 to 5.5 V operating voltage
Flexible clock control, 4 master clock sources:
– Low power crystal resonator oscillator
– External clock input
– Internal 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
USART or LINUART with clock output for
synchronous operation, smartcard mode, IrDA
mode, LIN master mode
SPI synchronous serial interface up to 8 Mbit/s
2
I C 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 9
high sink outputs
Highly robust I/O design, immune against
current injection
Table 1.
Reference
STM8S103xx
STM8S105xx
Interrupt management
Device summary
Root part number
STM8S103K3
STM8S105C6, STM8S105C4,
STM8S105K6, STM8S105K4,
STM8S105S6, STM8S105S4,
Nested interrupt controller with 32 interrupts
Up to 37 external interrupts on 6 vectors
Timers
2x 16-bit general purpose timers, with 2+3
CAPCOM channels (IC, OC or PWM)
Advanced control timer: 16-bit, 4 CAPCOM
channels, 3 complementary outputs, dead-time
insertion and flexible synchronization
8-bit basic timer with 8-bit prescaler
Auto wake-up timer
2 watchdog timers: Window watchdog and
independent watchdog
June 2008
Rev 2
1/56
www.st.com
1
This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to
change without notice.

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STM8S105XX STM8S103XX
Description Access line, STM8S 8-bit MCU, up to 32 Kbytes Flash, 10-bit ADC, timers, USART, SPI, IC Access line, STM8S 8-bit MCU, up to 32 Kbytes Flash, 10-bit ADC, timers, USART, SPI, IC
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