參數(shù)資料
型號: 8XC552
廠商: NXP Semiconductors N.V.
英文描述: 80C51 FAMILY DERIVATIVES
中文描述: 80C51系列衍生物
文件頁數(shù): 45/60頁
文件大?。?/td> 382K
代理商: 8XC552
Philips Semiconductors
80C51 Family Derivatives
8XC552/562 overview
1996 Aug 06
45
PCT0
BIT
SYMBOL
FUNCTION
IP1.7
IP1.6
IP1.5
IP1.4
IP1.3
IP1.2
IP1.1
IP1.0
PT2
PCM2
PCM1
PCM0
PCT3
PCT2
PCT1
PCT0
T2 overflow interrupt(s) priority level
T2 comparator 2 interrupt priority level
T2 comparator 1 interrupt priority level
T2 comparator 0 interrupt priority level
T2 capture register 3 interrupt priority level
T2 capture register 2 interrupt priority level
T2 capture register 1 interrupt priority level
T2 capture register 0 interrupt priority level
SU00764
PCT1
PCT2
PCT3
PCM0
PCM1
PCM2
PT2
0
1
2
3
4
5
6
7
(LSB)
(MSB)
IP1 (F8H)
Figure 31. Interrupt Priority Register (IP1)
Table 8.
Interrupt Priority Structure
SOURCE
NAME
PRIORITY WITHIN LEVEL
External interrupt 0
SIO1 (I
2
C)
ADC completion
Timer 0 overflow
T2 capture 0
T2 compare 0
External interrupt 1
T2 capture 1
T2 compare 1
Timer 1 overflow
T2 capture 2
T2 compare 2
SIO0 (UART)
T2 capture 3
Timer T2 overflow
X0
S1
ADC
T0
CT0
CM0
X1
CT1
CM1
T1
CT2
CM2
S0
CT3
T2
(highest)
(lowest)
Table 9.
Interrupt Vector Addresses
SOURCE
NAME
VECTOR ADDRESS
External interrupt 0
Timer 0 overflow
External interrupt 1
Timer 1 overflow
SIO0 (UART)
SIO1 (I
2
C)
T2 capture 0
T2 capture 1
T2 capture 2
T2 capture 3
ADC completion
T2 compare 0
T2 compare 1
T2 compare 2
T2 overflow
X0
T0
X1
T1
S0
S1
CT0
CT1
CT2
CT3
ADC
CM0
CM1
CM2
T2
0003H
000BH
0013H
001BH
0023H
002BH
0033H
003BH
0043H
004BH
0053H
005BH
0063H
006BH
0073H
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