C8051F581-IMR Silicon Labs, C8051F581-IMR Datasheet - Page 200

• 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

C8051F58x/F59x
SFR Definition 20.9. P2MASK: Port 2 Mask Register
SFR Address = 0xB2; SFR Page = 0x00
SFR Definition 20.10. P2MAT: Port 2 Match Register
SFR Address = 0xB1; SFR Page = 0x00
200
Name
Reset
Name
Reset
7:0
7:0
Bit
Bit
Type
Type
Bit
Bit
P2MASK[7:0]
P2MAT[7:0]
Name
Name
7
0
7
1
Port 2 Mask Value.
Selects P2 pins to be compared to the corresponding bits in P2MAT.
0: P2.n pin logic value is ignored and cannot cause a Port Mismatch event.
1: P2.n pin logic value is compared to P2MAT.n.
Port 2 Match Value.
Match comparison value used on Port 2 for bits in P2MAT which are set to 1.
0: P2.n pin logic value is compared with logic LOW.
1: P2.n pin logic value is compared with logic HIGH.
6
0
6
1
5
0
5
1
Rev. 1.2
4
P2MASK[7:0]
0
4
1
P2MAT[7:0]
R/W
R/W
Function
Function
3
0
3
1
2
0
2
1
1
0
1
1
0
0
0
1