参数资料
型号: P8xCL580HFT
厂商: NXP Semiconductors N.V.
英文描述: Low voltage 8-bit microcontrollers with UART, I2C-bus and ADC
中文描述: 低电压8 - UART的,位微控制器的I2C总线和ADC
文件页数: 50/80页
文件大小: 366K
代理商: P8XCL580HFT
1997 Mar 14
50
Philips Semiconductors
Product specification
Low voltage 8-bit microcontrollers with
UART, I
2
C-bus and ADC
P80CL580; P83CL580
17.3.5
I
NTERRUPT
P
OLARITY
R
EGISTER
(IX1)
Writing either a logic 1 or logic 0 to any Interrupt Polarity Register bit sets the polarity level of the corresponding external
interrupt to an active HIGH or active LOW respectively.
Table 44
Interrupt Polarity Register (SFR address E9H)
Table 45
Description of IX1 bits
17.3.6
I
NTERRUPT
R
EQUEST
F
LAG
R
EGISTER
(IRQ1)
Table 46
Interrupt Request Flag Register (SFR address C0H)
Table 47
Description of IRQ1 bits
7
6
5
4
3
2
1
0
IL8
IL7
IL6
IL5
IL4
IL3
IL2
BIT
SYMBOL
IL8
IL7
IL6
IL5
IL4
IL3
IL2
DESCRIPTION
7
6
5
4
3
2
1
0
reserved
external interrupt 8 polarity level
external interrupt 7 polarity level
external interrupt 6 polarity level
external interrupt 5 polarity level
external interrupt 4 polarity level
external interrupt 3 polarity level
external interrupt 2 polarity level
7
6
5
4
3
2
1
0
IQ8
IQ7
IQ6
IQ5
IQ4
IQ3
IQ2
BIT
SYMBOL
IQ8
IQ7
IQ6
IQ5
IQ4
IQ3
IQ2
DESCRIPTION
7
6
5
4
3
2
1
0
reserved
external interrupt 8 request flag
external interrupt 7 request flag
external interrupt 6 request flag
external interrupt 5 request flag
external interrupt 4 request flag
external interrupt 3 request flag
external interrupt 2 request flag
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