參數(shù)資料
型號(hào): HMS99C51S
廠商: Electronic Theatre Controls, Inc.
英文描述: 8-BIT SINGLE-CHIP MICROCONTROLLERS WITH EMBEDDED FLASH
中文描述: 8位單片機(jī)與嵌入式閃存微控制器
文件頁(yè)數(shù): 15/73頁(yè)
文件大?。?/td> 696K
代理商: HMS99C51S
HMS99C51S/52S/54S/56S/58S
Sep. 2004 Ver 1.01
11
FUNCTIONAL DESCRIPTION
The HMS99C51S/52S/54S/56S/58S are fully compatible to the standard 8051 microcontroller family.
It is compatible with the general 8051 family, while maintaining all architectural and operational characteristics
of the general 8051 family.
Figure 1 shows a block diagram of the HMS99C51S/52S/54S/56S/58S.
Figure 1. Block Diagram of the HMS99C51S/52S/54S/56S/58S
FLASH
4K/8K/16K/
24K/32K
RAM
256
OSC & TIMING
CPU
Timer 0
Timer 1
Timer 2
Interrupt Unit
Serial Channel
Port 0
Port 1
Port 2
Port 3
Port 0
8-bit Digit. I/O
Port 1
8-bit Digit. I/O
Port 2
8-bit Digit. I/O
Port 3
8-bit Digit. I/O
XTAL1
XTAL2
RESET
EA/V
PP
ALE/PROG
PSEN
Boot
FLASH
2K
HSB
1
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