C8051F000/1/2/5/6/7
C8051F010/1/2/5/6/7
Figure 15.4. XBR1: Port I/O CrossBar Register 1
R/W
R/W
R/W
R/W
R/W
SYSCKE T2EXE
T2E
INT1E
T1E
Bit7
Bit6
Bit5
Bit4
Bit3
Bit7:
Bit6:
Bit5:
Bit4:
Bit3:
Bit2:
Bit1:
Bit0:
SYSCKE: SYSCLK Output Enable Bit
0: SYSCLK unavailable at Port pin.
1: SYSCLK output routed to Port Pin.
T2EXE: T2EX Enable Bit
0: T2EX unavailable at Port pin.
1: T2EX routed to Port Pin.
T2E: T2 Enable Bit
0: T2 unavailable at Port pin.
1: T2 routed to Port Pin.
INT1E: /INT1 Enable Bit
0: /INT1 unavailable at Port pin.
1: /INT1 routed to Port Pin.
T1E: T1 Enable Bit
0: T1 unavailable at Port pin.
1: T1 routed to Port Pin.
INT0E: /INT0 Enable Bit
0: /INT0 unavailable at Port pin.
1: /INT0 routed to Port Pin.
T0E: T0 Enable Bit
0: T0 unavailable at Port pin.
1: T0 routed to Port Pin.
CP1OEN: Comparator 1 Output Enable Bit
0: CP1 unavailable at Port pin.
1: CP1 routed to Port Pin.
R/W
INT0E
Bit2
R/W
R/W
Reset Value
T0E
CP1OEN 00000000
Bit1
Bit0
SFR Address:
0xE2
107
Rev. 1.7