C8051F581-IMR Silicon Labs, C8051F581-IMR Datasheet - Page 135

• Manufacturer Part Number: C8051F581-IMR
• Description: 8-bit Microcontrollers - MCU 50MIPS 128kB 8kB SPI
• Manufacturer: Silicon Labs

Specifications of C8051F581-IMR

• Rohs: yes
• Core: 8051
• Processor Series: C8051
• Data Bus Width: 8 bit

SFR Definition 14.6. EIP2: Extended Interrupt Priority Enabled 2
SFR Address = 0xF7; SFR Page = All Pages
Name
Reset
Bit
Type
7
6
5
4
3
2
1
0
Bit
PREG0
PPCA1
PCAN0
Name
PMAT
PCP2
PS1
PT5
PT4
R/W
7
0
Timer 5 Interrupt Priority Control.
This bit sets the priority of the Timer 5 interrupt.
0: Timer 5 interrupts set to low priority level.
1: Timer 5 interrupts set to high priority level.
Timer 4 Interrupt Priority Control.
This bit sets the priority of the Timer 4 interrupt.
0: Timer 4 interrupts set to low priority level.
1: Timer 4 interrupts set to high priority level.
Comparator1 (CP1) Interrupt Priority Control.
This bit sets the priority of the CP1 interrupt.
0: CP1 interrupt set to low priority level.
1: CP1 interrupt set to high priority level.
Programmable Counter Array (PCA1) Interrupt Priority Control.
This bit sets the priority of the PCA1 interrupt.
0: PCA1 interrupt set to low priority level.
1: PCA1 interrupt set to high priority level.
UART1 Interrupt Priority Control.
This bit sets the priority of the UART1 interrupt.
0: UART1 interrupt set to low priority level.
1: UART1 interrupt set to high priority level.
Port Match Interrupt Priority Control.
This bit sets the priority of the Port Match interrupt.
0: Port Match interrupt set to low priority level.
1: Port Match interrupt set to high priority level.
CAN0 Interrupt Priority Control.
This bit sets the priority of the CAN0 interrupt.
0: CAN0 interrupt set to low priority level.
1: CAN0 interrupt set to high priority level.
Voltage Regulator Dropout Interrupt Priority Control.
This bit sets the priority of the Voltage Regulator Dropout interrupt.
0: Voltage Regulator Dropout interrupt set to low priority level.
1: Voltage Regulator Dropout interrupt set to high priority level.
R/W
6
0
R/W
5
0
R/W
Rev. 1.2
4
0
Function
R/W
3
0
C8051F58x/F59x
PMAT
R/W
2
0
PCAN0
R/W
1
0
PREG0
R/W
0
0
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