参数资料
型号: P83C266
厂商: NXP Semiconductors N.V.
英文描述: Microcontrollers for PAL/SECAM TV with OSD and VST(带 OSD和 VST的在PAL/SECAM TV中应用的微控制器)
中文描述: 对于PAL微控制器/ OSD和伟仕SECAM电视(带OSD和伟仕的在PAL制式/ SECAM电视中应用的微控制器)
文件页数: 25/92页
文件大小: 382K
代理商: P83C266
1999 Mar 10
25
Philips Semiconductors
Product specification
Microcontrollers for PAL/SECAM TV
with OSD and VST
P8xCx66 family
11.4
Interrupt Enable Register 0 (IEN0)
Table 21
Interrupt Enable Register (SFR address A8H)
Table 22
Description of IEN0 bits
A logic 0 disables the interrupt; a logic 1 enables the interrupt.
11.5
Interrupt Enable Register 1 (IEN1)
Table 23
Interrupt Enable Register (SFR address E8H)
Table 24
Description of IEN1 bits
Where EXx = 0, interrupt disabled. EXx = 1, interrupt enabled
7
6
5
4
3
2
1
0
EA
ES1
ET1
EX1
ET0
EX0
BIT
SYMBOL
DESCRIPTION
7
EA
General enable/disable control.
When EA = 0, no interrupt is enabled. When EA = 1,
any individually enabled interrupt will be accepted.
not used
enable I
2
C-bus SIO interrupt
not used
enable Timer 1 interrupt
enable external interrupt 1
enable Timer 0 interrupt
enable external interrupt 0
6
5
4
3
2
1
0
ES1
ET1
EX1
ET0
EX0
7
6
5
4
3
2
1
0
EX9
EX7
EX6
EX5
EX4
EX3
EX2
BIT
SYMBOL
DESCRIPTION
7
6
5
4
3
2
1
0
EX9
EX7
EX6
EX5
EX4
EX3
EX2
enable external interrupt 9 (P1.7 port line)
not used
enable external interrupt 7 (VSYNC interrupt)
enable external interrupt 6 (P1.4 port line)
enable external interrupt 5 (P1.3 port line)
enable external interrupt 4 (P1.2 port line)
enable external interrupt 3 (P1.1 port line)
enable external interrupt 2 (P1.0 port line)
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