参数资料
型号: AT80C51RB2-RLTUL
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: 49/83页
文件大小: 672K
代理商: AT80C51RB2-RLTUL
50
AT80C51RD2/AT83C51Rx2
4113B–8051–03/05
Table 35.
IPH0 Register
IPH0 - Interrupt Priority High Register (B7h)
Reset Value = X000 0000b
Not bit addressable
7
6
5
4
3
2
1
0
-
PPCH
PT2H
PSH
PT1H
PX1H
PT0H
PX0H
Bit
Number
Bit
Mnemonic
Description
7
-
Reserved
The value read from this bit is indeterminate. Do not set this bit.
6
PPCH
PCA interrupt priority high bit.
PPCH PPCL Priority Level
0
0
Lowest
0
1
1
0
1
1
Highest
5
PT2H
Timer 2 overflow interrupt priority high bit
PT2H
PT2L
Priority Level
0
0
Lowest
0
1
1
0
1
1
Highest
4
PSH
Serial port priority high bit
PSH
PSL
0
0
0
1
1
0
1
1
Priority Level
Lowest
Highest
3
PT1H
Timer 1 overflow interrupt priority high bit
PT1H
PT1L
Priority Level
0
0
Lowest
0
1
1
0
1
1
Highest
2
PX1H
External interrupt 1 priority high bit
PX1H
PX1L
Priority Level
0
0
Lowest
0
1
1
0
1
1
Highest
1
PT0H
Timer 0 overflow interrupt priority high bit
PT0H
PT0L
Priority Level
0
0
Lowest
0
1
1
0
1
1
Highest
0
PX0H
External interrupt 0 priority high bit
PX0H PX0L
Priority Level
0
0
Lowest
0
1
1
0
1
1
Highest
相关PDF资料
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AT80C51RB2-RLTUM 80C51 High Performance ROM 8-bit Microcontroller
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AT80C51RB2-SLSIL 80C51 High Performance ROM 8-bit Microcontroller
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相关代理商/技术参数
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AT80C51RB2-RLTUM 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:80C51 High Performance ROM 8-bit Microcontroller
AT80C51RB2-SLSCM 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:80C51 High Performance ROM 8-bit Microcontroller
AT80C51RB2-SLSIL 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:80C51 High Performance ROM 8-bit Microcontroller
AT80C51RB2-SLSIM 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:80C51 High Performance ROM 8-bit Microcontroller
AT80C51RB2-SLSUL 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:80C51 High Performance ROM 8-bit Microcontroller