C8051F566-IQR Silicon Labs, C8051F566-IQR Datasheet - Page 180

• Manufacturer Part Number: C8051F566-IQR
• Description: 8-bit Microcontrollers - MCU 50 MIPS 16 kB 2 kB LIN 2.1 SPI
• Manufacturer: Silicon Labs

Specifications of C8051F566-IQR

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

C8051F55x/56x/57x
SFR Definition 19.10. P3MASK: Port 3 Mask Register
SFR Address = 0xAF; SFR Page = 0x00
SFR Definition 19.11. P3MAT: Port 3 Match Register
SFR Address = 0xAE; SFR Page = 0x00
180
Note: P3.0 is available on 40-pin and 32-pin packages. P3.1-P3.7 are available on 40-pin packages
Note: P3.0 is available on 40-pin and 32-pin packages. P3.1-P3.7 are available on 40-pin packages
Name
Reset
Name
Reset
7:0
7:0
Bit
Bit
Type
Type
Bit
Bit
P3MASK[7:0]
P3MAT[7:0]
Name
Name
7
0
7
1
Port 1 Mask Value.
Selects P3 pins to be compared to the corresponding bits in P3MAT.
0: P3.n pin logic value is ignored and cannot cause a Port Mismatch event.
1: P3.n pin logic value is compared to P3MAT.n.
Port 3 Match Value.
Match comparison value used on Port 3 for bits in P3MAT which are set to 1.
0: P3.n pin logic value is compared with logic LOW.
1: P3.n pin logic value is compared with logic HIGH.
6
0
6
1
5
0
5
1
Rev. 1.1
4
P3MASK[7:0]
0
4
1
P3MAT[7:0]
R/W
R/W
Function
Function
3
0
3
1
2
0
2
1
1
0
1
1
0
0
0
1