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
17.3.3 INTERRUPT PRIORITY REGISTER (IP0)
Bit values: 0 = low priority; 1 = high priority.
Table 40 Interrupt Priority Register (SFR address B8H)
7
6
5
4
3
2
1
0
−
PT2
PS1
PS0
PT1
PX1
PT0
PX0
Table 41 Description of IP0 bits
BIT
SYMBOL
7
−
reserved
6
PT2
Timer 2 interrupt priority level
5
PS1
I2C interrupt priority level
4
PS0
UART SIO interrupt priority level
3
PT1
Timer 1 interrupt priority level
2
PX1
external interrupt 1 priority level
1
PT0
Timer 0 interrupt priority level
0
PX0
external interrupt 0 priority level
DESCRIPTION
17.3.4 INTERRUPT PRIORITY REGISTER (IP1)
Bit values: 0 = low priority; 1 = high priority.
Table 42 Interrupt Priority Register (SFR address F8H)
7
6
5
4
3
2
1
0
PADC
PX8
PX7
PX6
PX5
PX4
PX3
PX2
Table 43 Description of IP1 bits
BIT
SYMBOL
7
PADC ADC interrupt priority level
6
PX8
external interrupt 8 priority level
5
PX7
external interrupt 7 priority level
4
PX6
external interrupt 6 priority level
3
PX5
external interrupt 5 priority level
2
PX4
external interrupt 4 priority level
1
PX3
external interrupt 3 priority level
0
PX2
external interrupt 2 priority level
DESCRIPTION
1997 Mar 14
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