參數(shù)資料
型號: Q67121C452
英文描述: IC-SM-8-BIT CPU-12MHZ
中文描述: 集成電路釤8位CPU - 12MHz的
文件頁數(shù): 17/121頁
文件大?。?/td> 1000K
代理商: Q67121C452
Fundamental Structure
C501
Semiconductor Group
2-1
2
Fundamental Structure
The C501 is fully compatible to the standard 8051 microcontroller family.
It is compatible with the 80C32/52/82C52. While maintaining all architectural and operational
characteristics of the 8051 microcontroller family, the C501 incorporates some enhancements in the
timer 2 and fail save mechanism unit.
Figure 2-6
shows a block diagram of the C501.
Figure 2-6
Block Diagram of the C501
Port 3
8-Bit Digit.
Ι
/O
Port 3
Port 2
8-Bit Digit.
Ι
/O
Port 2
Port 1
8-Bit Digit.
Ι
/O
Port 1
/O
Ι
8-Bit Digit.
Port 0
Port 0
RAM
RESET
ALE/PROG
PSEN
EA/
MCB03219
XTAL2
OSC & Timing
CPU
Timer 0
Timer 1
Timer 2
Interrupt Unit
Serial Channel
(USART)
C501
V
V
XTAL1
CC
SS
V
PP
256 x 8
C501-1R : ROM
C501-1E : OTP
8K x 8
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