P8XCL580HFT View Datasheet(PDF) - Philips Electronics
Part Name
Description
MFG CO.
'P8XCL580HFT' PDF : 80 Pages View PDF
Philips Semiconductors
Low voltage 8-bit microcontrollers with
UART, I2C-bus and ADC
Product specification
P80CL580; P83CL580
17.3.5 INTERRUPT POLARITY REGISTER (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)
7
6
5
4
3
2
1
0
−
IL8
IL7
IL6
IL5
IL4
IL3
IL2
Table 45 Description of IX1 bits
BIT
SYMBOL
7
−
reserved
6
IL8
external interrupt 8 polarity level
5
IL7
external interrupt 7 polarity level
4
IL6
external interrupt 6 polarity level
3
IL5
external interrupt 5 polarity level
2
IL4
external interrupt 4 polarity level
1
IL3
external interrupt 3 polarity level
0
IL2
external interrupt 2 polarity level
DESCRIPTION
17.3.6 INTERRUPT REQUEST FLAG REGISTER (IRQ1)
Table 46 Interrupt Request Flag Register (SFR address C0H)
7
6
5
4
3
2
1
0
−
IQ8
IQ7
IQ6
IQ5
IQ4
IQ3
IQ2
Table 47 Description of IRQ1 bits
BIT
SYMBOL
7
−
reserved
6
IQ8
external interrupt 8 request flag
5
IQ7
external interrupt 7 request flag
4
IQ6
external interrupt 6 request flag
3
IQ5
external interrupt 5 request flag
2
IQ4
external interrupt 4 request flag
1
IQ3
external interrupt 3 request flag
0
IQ2
external interrupt 2 request flag
DESCRIPTION
1997 Mar 14
50
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