c8051t623-g Silicon Laboratories, c8051t623-g Datasheet - Page 101

• Manufacturer Part Number: c8051t623-g
• Description: Full Speed Usb Eprom Mcu Family
• Manufacturer: Silicon Laboratories

C8051T622/3 and C8051T326/7
SFR Definition 17.4. P0MASK: Port 0 Mask Register
SFR Address = 0xAE
SFR Definition 17.5. P0MAT: Port 0 Match Register
SFR Address = 0x84
108
Name
Reset
Name
Reset
7:0
7:0
Bit
Bit
Type
Type
Bit
Bit
P0MASK[7:0]
P0MAT[7:0]
Name
Name
7
0
7
1
Port 0 Mask Value.
Selects P0 pins to be compared to the corresponding bits in P0MAT.
0: P0.n pin logic value is ignored and cannot cause a Port Mismatch event.
1: P0.n pin logic value is compared to P0MAT.n.
Port 0 Match Value.
Match comparison value used on Port 0 for bits in P0MASK which are set to 1.
0: P0.n pin logic value is compared with logic LOW.
1: P0.n pin logic value is compared with logic HIGH.
6
0
6
1
5
0
5
1
Rev. 1.1
4
P0MASK[7:0]
0
4
1
P0MAT[7:0]
R/W
R/W
Function
Function
3
0
3
1
2
0
2
1
1
0
1
1
0
0
0
1