參數(shù)資料
型號: P89C738
廠商: NXP Semiconductors N.V.
英文描述: 8-bit Flash microcontrollers
中文描述: 8位閃存微控制器
文件頁數(shù): 18/64頁
文件大小: 360K
代理商: P89C738
1998 Apr 07
18
Philips Semiconductors
Product specification
8-bit Flash microcontrollers
P89C738; P89C739
9.1
Interrupt Enable Register (IE)
Table 5
Interrupt Enable Register (SFR address A8H)
Table 6
Description of IE bits
9.2
Interrupt Priority Register (IP)
Table 7
Interrupt Priority Register (SFR address B8H)
Table 8
Description of IP bits
7
6
5
4
3
2
1
0
EA
ET2
ES
ET1
EX1
ET0
EX0
BIT
SYMBOL
DESCRIPTION
7
EA
General enable/disable control
. If EA = 0, no interrupt is enabled. If EA = 1, any
individually enabled interrupt will be accepted.
reserved
enable Timer 2 interrupt
enable Serial Port interrupt
enable Timer 1 interrupt
enable external interrupt 1
enable Timer 0 interrupt
enable external interrupt 0
6
5
4
3
2
1
0
ET2
ES
ET1
EX1
ET0
EX0
7
6
5
4
3
2
1
0
PT2
PS
PT1
PX1
PT0
PX0
BIT
SYMBOL
PT2
PS
PT1
PX1
PT0
PX0
DESCRIPTION
7
6
5
4
3
2
1
0
reserved
reserved
Timer 2 interrupt priority level
Serial Port interrupt priority level
Timer 1 interrupt priority level
external interrupt 1 priority level
Timer 0 interrupt priority level
external interrupt 0 priority level
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