參數(shù)資料
型號: P8XC557E8
廠商: NXP Semiconductors N.V.
元件分類: 8位微控制器
英文描述: 8 BIT MICROCONTROLLER
中文描述: 8位微控制器
文件頁數(shù): 43/84頁
文件大小: 322K
代理商: P8XC557E8
1999 Mar 12
43
Philips Semiconductors
Product specification
8-bit microcontroller
P8xC557E8
14.5
Interrupt Enable and Priority Registers
14.5.1
I
NTERRUPT
E
NABLE
R
EGISTER
0 (IEN0)
Logic 0 = interrupt disabled; logic 1 = interrupt enabled.
Table 61
Interrupt Enable Register 0 (address A8H)
Table 62
Description of IEN0 bits
14.5.2
I
NTERRUPT
E
NABLE
R
EGISTER
1 (IEN1)
Logic 0 = interrupt disabled; logic 1 = interrupt enabled.
Table 63
Interrupt Enable Register 1 (address E8H)
Table 64
Description of IEN1 bits
7
6
5
4
3
2
1
0
EA
EAD
ES1
ES0
ET1
EX1
ET0
EX0
BIT
SYMBOL
DESCRIPTION
7
EA
General enable/disable control
. If bit EA is:
LOW, then no interrupt is enabled.
HIGH, then any individually enabled interrupt will be accepted.
Enable ADC interrupt.
Enable SIO1 (I
2
C-bus) interrupt.
Enable SIO0 (UART) interrupt.
Enable Timer 1 interrupt.
Enable External 1 interrupt / Seconds interrupt.
Enable Timer 0 interrupt.
Enable External 0 interrupt.
6
5
4
3
2
1
0
EAD
ES1
ES0
ET1
EX1
ET0
EX0
7
6
5
4
3
2
1
0
ET2
ECM2
ECM1
ECM0
ECT3
ECT2
ECT1
ECT0
BIT
SYMBOL
DESCRIPTION
7
6
5
4
3
2
1
0
ET2
ECM2
ECM1
ECM0
ECT3
ECT1
ECT1
ECT0
Enable T2 overflow interrupt(s).
Enable T2 comparator 2 interrupt.
Enable T2 comparator 1 interrupt.
Enable T2 comparator 0 interrupt.
Enable T2 capture register 3 interrupt.
Enable T2 capture register 2 interrupt.
Enable T2 capture register 1 interrupt.
Enable T2 capture register 0 interrupt.
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