参数资料
型号: TS80C52X2-VICB
英文描述: 8-bit CMOS Microcontroller 0-60 MHz
中文描述: 8位CMOS微控制器0-60兆赫
文件页数: 19/54页
文件大小: 626K
代理商: TS80C52X2-VICB
26
Rev. B - Jan. 25, 1999
Preliminary
TS80C52X2
Table 12. IP Register
IP - Interrupt Priority Register (B8h)
Reset Value = XX00 0000b
Bit addressable
7
6
5
4
3
2
1
0
-
PT2
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
-
Reserved
The value read from this bit is indeterminate. Do not set this bit.
5
PT2
Timer 2 overow interrupt Priority bit
Refer to PT2H for priority level.
4
PS
Serial port Priority bit
Refer to PSH for priority level.
3
PT1
Timer 1 overow 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 overow 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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