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(wú)鉛汽油電話控制器
文件頁(yè)數(shù): 26/88頁(yè)
文件大?。?/td> 328K
代理商: P83CL882
2001 Jun 19
26
Philips Semiconductors
Product specification
80C51 Ultra Low Power (ULP) telephony controller
P83CL882
6.3.8
I
NTERRUPT
P
RIORITY
R
EGISTER
1 (IP1)
Table 24
Interrupt Priority Register 1 (SFR address F8H)
Table 25
Description of IP1 bits
Logic 0 = low priority; logic 1 = high priority.
6.3.9
I
NTERRUPT
P
RIORITY
R
EGISTER
2 (IP2)
Table 26
Interrupt Priority Register 2 (SFR address F9H)
Table 27
Description of IP2 bits
Logic 0 = low priority; logic 1 = high priority.
7
6
5
4
3
2
1
0
PX9
PX8
PX7
PX6
PX5
PX4
PX3
PX2
BIT
SYMBOL
DESCRIPTION
7
6
5
4
3
2
1
0
PX9
PX8
PX7
PX6
PX5
PX4
PX3
PX2
external interrupt 9 priority level
external interrupt 8 priority level
external interrupt 7 priority level
external interrupt 6 priority level
external interrupt 5 priority level
external interrupt 4 priority level
external interrupt 3 priority level
external interrupt 2 priority level
7
6
5
4
3
2
1
0
PWDI
PMTI
PMRI
BIT
SYMBOL
DESCRIPTION
7
6
5
4
3
2
1
0
PWDI
PMTI
PMRI
Watchdog Timer interrupt priority level
reserved
reserved
reserved
reserved
reserved
MSK transmitter interrupt priority level
MSK receiver interrupt priority level
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