P80C51FA-4B,557  

参数	数值
规格书	数据手册下载
Operating Supply Voltage	3.3|5 V
Number of Timers	3
Data Bus Width	8 Bit
Package	44PQFP
Number of Programmable I/Os	32
Family Name	80C
Program Memory Type	ROMLess
Operating Temperature	0 to 70 °C
Device Core	80C51
Maximum Speed	16 MHz
Interface Type	UART
RAM Size	256 Byte