参数资料
型号: AT83C5112
厂商: Atmel Corp.
英文描述: 8-bit Microcontroller with A/D Converter
中文描述: 8位微控制器与A / D转换器
文件页数: 67/97页
文件大小: 1229K
代理商: AT83C5112
67
AT8xC5112
4191B
8051
04/03
Table 53.
IPL0 Register
IPL0 - Interrupt Priority Register (B8H)
Reset value = X0X0 0000b
Bit addressable.
7
6
5
4
3
2
1
0
-
PPC
-
PS
PT1
PX1
PT0
PX0
Bit
Number
Bit
Mnemonic
Description
7
-
Reserved
The value read from this bit is indeterminate. Do not set this bit.
6
PPC
PCA Counter Interrupt Priority bit
Refer to PPCH for priority level
5
-
Reserved
The value read from this bit is indeterminate. Do not set this bit.
4
PS
Serial port Priority bit
Refer to PSH for priority level.
3
PT1
Timer 1 overflow interrupt Priority bit
Refer to PT1H for priority level.
2
PX1
External interrupt 1 Priority bit
Refer to PX1H for priority level.
1
PT0
Timer 0 overflow interrupt Priority bit
Refer to PT0H for priority level.
0
PX0
External interrupt 0 Priority bit
Refer to PX0H for priority level.
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