C8051F340 Datasheet, PDF (152/282 Pages) List of Unclassifed Manufacturers – Full Speed USB Flash MCU Family

C8051F340/1/2/3/4/5/6/7
SFR Definition 15.1. XBR0: Port I/O Crossbar Register 0
R/W
CP1AE
Bit7
R/W
CP1E
Bit6
R/W
CP0AE
Bit5
R/W
CP0E
Bit4
R/W
SYSCKE
Bit3
R/W
SMB0E
Bit2
Bit7:
Bit6:
Bit5:
Bit4:
Bit3:
Bit2:
Bit1:
Bit0:
CP1AE: Comparator1 Asynchronous Output Enable
0: Asynchronous CP1 unavailable at Port pin.
1: Asynchronous CP1 routed to Port pin.
CP1E: Comparator1 Output Enable
0: CP1 unavailable at Port pin.
1: CP1 routed to Port pin.
CP0AE: Comparator0 Asynchronous Output Enable
0: Asynchronous CP0 unavailable at Port pin.
1: Asynchronous CP0 routed to Port pin.
CP0E: Comparator0 Output Enable
0: CP0 unavailable at Port pin.
1: CP0 routed to Port pin.
SYSCKE: /SYSCLK Output Enable
0: /SYSCLK unavailable at Port pin.
1: /SYSCLK output routed to Port pin.
SMB0E: SMBus I/O Enable
0: SMBus I/O unavailable at Port pins.
1: SMBus I/O routed to Port pins.
SPI0E: SPI I/O Enable
0: SPI I/O unavailable at Port pins.
1: SPI I/O routed to Port pins.
URT0E: UART0 I/O Output Enable
0: UART0 I/O unavailable at Port pins.
1: UART0 TX0, RX0 routed to Port pins P0.4 and P0.5.
R/W
SPI0E
Bit1
R/W
URT0E
Bit0
Reset Value
00000000
SFR Address:
0xE1
152
Rev. 0.5