參數(shù)資料
型號(hào)： P83CL882
廠商： NXP Semiconductors N.V.
英文描述： 80C51 Ultra Low Power ULP telephony controller
中文描述： 80C51的超低功耗無鉛汽油電話控制器
文件頁數(shù)： 24/88頁
文件大小： 328K
代理商： P83CL882
2001 Jun 19
24
Philips Semiconductors
Product specification
80C51 Ultra Low Power (ULP) telephony controller
P83CL882
6.3.4
I
NTERRUPT
E
NABLE
R
EGISTER
0 (IEN0)
Table 16
Interrupt Enable Register 0 (SFR address A8H)
Table 17
Description of IEN0 bits
Logic 0 = interrupt disabled; logic 1 = interrupt enabled.
6.3.5
I
NTERRUPT
E
NABLE
R
EGISTER
1 (IEN1)
Table 18
Interrupt Enable Register 1 (SFR address E8H)
Table 19
Description of IEN1 bits
Logic 0 = interrupt disabled; logic 1 = interrupt enabled.
7
6
5
4
3
2
1
0
EA
ET2
ES1
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.
enable T2 interrupt
enable I
2
C-bus interrupt
reserved
enable Timer 1 interrupt (T1)
enable external interrupt 1
enable Timer 0 interrupt (T0)
enable external interrupt 0
6
5
4
3
2
1
0
ET2
ES1
ET1
EX1
ET0
EX0
7
6
5
4
3
2
1
0
EX9
EX8
EX7
EX6
EX5
EX4
EX3
EX2
BIT
SYMBOL
DESCRIPTION
7
6
5
4
3
2
1
0
EX9
EX8
EX7
EX6
EX5
EX4
EX3
EX2
enable external interrupt 9
enable external interrupt 8
enable external interrupt 7
enable external interrupt 6
enable external interrupt 5
enable external interrupt 4
enable external interrupt 3
enable external interrupt 2
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