ATmega8 vs STM8

	STM8S103F3P6	STM8S105C6T6 8BIT 32KB FLASH	ATmega8
Price	$0.99/2=$0.5 $2.54/5=$0.51	$0.99/1	$1.47/2=0.78 $3.18/5=$0.63
Core	16 MHz		16MHz
Memories	• Program memory: 8 Kbyte Flash; •Data memory: 640 byte true data EEPROM; •RAM: 1 Kbyte	•Program memory: up to 32 Kbyte Flash; •Data memory: up to 1 Kbyte true data EEPROM;  •RAM: up to 2 Kbyte	8KBytes of Flash program memory – 512Bytes EEPROM – 1KByte Internal SRAM
Clock, reset and supply management	2.95 to 5.5 V operating voltage 4 master clock sources –   Internal, user-trimmable 16 MHz RC –   Internal low-po wer 128 kHz RC •Clock security system with clock monitor		2.7 - 5.5V
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		Two 8-bit Timer/Counters with Separate Prescaler, one Compare Mode – One 16-bit Timer/Counter with Separate Prescaler, Compare Mode, and Capture Mode – Real Time Counter with Separate Oscillator – Three PWM Channels
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		Byte-oriented Two-wire Serial Interface – Programmable Serial USART – Master/Slave SPI Serial Interface
Analog to digital converter (ADC)	10-bit, ±1 LSB ADC with up to 5 multiplexed channels, scan mode and analog watchdog		8-channel ADC in TQFP and QFN/MLF package • Eight Channels 10-bit Accuracy – 6-channel ADC in PDIP package • Six Channels 10-bit Accuracy
I/Os	Up to 28 I/Os on a 32-pin package including 21 high sink outputs		23 Programmable I/O Lines
	•96-bit unique key for each device