C8051F556-IMR Silicon Labs, C8051F556-IMR Datasheet - Page 121

• Manufacturer Part Number: C8051F556-IMR
• Description: 8-bit Microcontrollers - MCU 50 MIPS 16 kB 2 kB LIN 2.1 SPI
• Manufacturer: Silicon Labs

Specifications of C8051F556-IMR

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

SFR Definition 13.6. EIP2: Extended Interrupt Priority Enabled 2
SFR Address = 0xF7; SFR Page = 0x00 and 0x0F
Name
Reset
Bit
7:3
Type
2
1
0
Bit
Unused
PREG0
PCAN0
Name
PMAT
R
7
0
Read = 00000b; Write = Don’t Care.
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
6
0
R
5
0
Rev. 1.1
R
4
0
Function
R
3
0
C8051F55x/56x/57x
PMAT
R/W
2
0
PCAN0
R/W
1
0
PREG0
R/W
0
0
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