单片机分型摘要

MCUs typing information

Peripheral	STC89C52	STC12C5A60S2	STC15F2K60S2	STC8A8K64S4A12	STM32F103C8
Flash(Kbytes)	8	60	60	64	64
SRAM(Kbytes)	0.5	1	2	8	20
E2PROM(Kbytes)	4	1	1	IAP	-
Normal TImer(16bits)	3	2	3	5	3
PCA Timer(16bits)	-	3	3	4	1
USART	-	2	2	4	3
I2C	-	-	-	1	2
SPI	-	-	1	1	2
USB	-	-	-	-	1
CAN	-	-	-	-	1
GPIOs	35	36	38	43	37
ADC	-	10-bit 8-channel	10-bit 8-channel	12-bit 15-channel	2 12-bit 10-channel
CPU Frequency	40Mhz	35Mhz	28Mhz	24Mhz(Inside)/33Mhz(outside)	72Mhz
Operating Voltage	3.5-5.5	3.5-5.5	4.5-5.5	2.0-5.5	2.0-3.6
Packages	PDIP40	PDIP40	PDIP40	LQFP48	LQFP48