参数资料
型号: AT80C51RB2-3CSIM
厂商: Atmel Corp.
英文描述: 80C51 High Performance ROM 8-bit Microcontroller
中文描述: 80C51的高性能ROM的8位微控制器
文件页数: 48/83页
文件大小: 672K
代理商: AT80C51RB2-3CSIM
49
AT80C51RD2/AT83C51Rx2
4113B–8051–03/05
Table 34.
IPL0 Register
IPL0 - Interrupt Priority Register (B8h)
Reset Value = X000 0000b
Bit addressable
7
6
5
4
3
2
1
0
-
PPCL
PT2L
PSL
PT1L
PX1L
PT0L
PX0L
Bit
Number
Bit
Mnemonic
Description
7
-
Reserved
The value read from this bit is indeterminate. Do not set this bit.
6
PPCL
PCA interrupt priority bit
Refer to PPCH for priority level.
5
PT2L
Timer 2 overflow interrupt priority bit
Refer to PT2H for priority level.
4
PSL
Serial port priority bit
Refer to PSH for priority level.
3
PT1L
Timer 1 overflow interrupt priority bit
Refer to PT1H for priority level.
2
PX1L
External interrupt 1 priority bit
Refer to PX1H for priority level.
1
PT0L
Timer 0 overflow interrupt priority bit
Refer to PT0H for priority level.
0
PX0L
External interrupt 0 priority bit
Refer to PX0H for priority level.
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AT80C51RB2-3CSUM 80C51 High Performance ROM 8-bit Microcontroller
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相关代理商/技术参数
参数描述
AT80C51RB2-3CSUM 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:80C51 High Performance ROM 8-bit Microcontroller
AT80C51RB2-RLTIL 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:80C51 High Performance ROM 8-bit Microcontroller
AT80C51RB2-RLTIM 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:80C51 High Performance ROM 8-bit Microcontroller
AT80C51RB2-RLTUL 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:80C51 High Performance ROM 8-bit Microcontroller
AT80C51RB2-RLTUM 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:80C51 High Performance ROM 8-bit Microcontroller