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Features
Core
16 MHz advanced STM8 core with Harvard
architecture and 3-stage pipeline
Extended instruction set
Memories
Medium-density Flash/EEPROM:
- Program memory up to 32 Kbytes; data
retention 20 years at 55°C after 10 kcycles
- Data memory up to 1 Kbytes true data
EEPROM; endurance 300 kcycles
RAM: Up to 2 Kbytes
Clock, reset and supply management
2.95 V 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
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
Window and independent watchdog timers
Communications interfaces
UART with clock output for synchronous
operation, Smartcard, IrDA, LIN
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
Development support
Embedded single wire interface module (SWIM)
for fast on-chip programming and non intrusive
debugging
Unique ID
96-bit unique key for each device
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