C8051F960-B-GM Datasheet, PDF (360/492 Pages) Silicon Laboratories – Ultra Low Power 128K, LCD MCU Family

C8051F96x
SFR Definition 27.3. XBR2: Port I/O Crossbar Register 2
Bit
7
6
5
4
3
2
1
0
Name WEAKPUD XBARE
Type
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Reset
0
0
0
0
0
0
0
0
SFR Page = 0x0 and 0xF; SFR Address = 0xE3
Bit
Name
Function
7 WEAKPUD Port I/O Weak Pullup Disable
0: Weak Pullups enabled (except for Port I/O pins configured for analog mode).
6
XBARE Crossbar Enable
0: Crossbar disabled.
1: Crossbar enabled.
5:0 Unused Read = 000000b; Write = Don’t Care.
Note: The Crossbar must be enabled (XBARE = 1) to use any Port pin as a digital output.
360
Rev. 1.0