C8051F85X86X Datasheet, PDF (186/290 Pages) Silicon Laboratories – Low-Cost 8-bit MCU Family with up to 8 kB of Flash

C8051F85x/86x
Register 21.7. P0: Port 0 Pin Latch
Bit
7
6
5
4
3
2
1
0
Name
P0
Type
RW
Reset
1
1
1
1
1
1
1
1
SFR Address: 0x80 (bit-addressable)
Table 21.10. P0 Register Bit Descriptions
Bit
Name
Function
7:0
P0
Port 0 Data.
Writing this register sets the port latch logic value for the associated I/O pins configured
as digital I/O.
Reading this register returns the logic value at the pin, regardless if it is configured as
output or input.
192
Preliminary Rev 0.6