C8051F540-TB Silicon Laboratories Inc, C8051F540-TB Datasheet - Page 154
C8051F540-TB
Manufacturer Part Number
C8051F540-TB
Description
BOARD PROTOTYPE W/C8051F540
Manufacturer
Silicon Laboratories Inc
Type
MCUr
Specifications of C8051F540-TB
Contents
Board
Processor To Be Evaluated
C8051F54x
Processor Series
C8051F54x
Interface Type
USB
Operating Supply Voltage
5 V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With/related Products
C8051F54x
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
336-1672
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C8051F54x
SFR Definition 18.1. XBR0: Port I/O Crossbar Register 0
SFR Address = 0xE1; SFR Page = 0x0F
154
Name
Reset
Bit
Type
7
6
5
4
3
2
1
0
Bit
Reserved Always Write to 0.
SMB0E
CP1AE
CP0AE
URT0E
SPI0E
Name
CP1E
CP0E
CP1AE
R/W
7
0
Comparator1 Asynchronous Output Enable.
0: Asynchronous CP1 unavailable at Port pin.
1: Asynchronous CP1 routed to Port pin.
Comparator1 Output Enable.
0: CP1 unavailable at Port pin.
1: CP1 routed to Port pin.
Comparator0 Asynchronous Output Enable.
0: Asynchronous CP0 unavailable at Port pin.
1: Asynchronous CP0 routed to Port pin.
Comparator0 Output Enable.
0: CP0 unavailable at Port pin.
1: CP0 routed to Port pin.
SMBus I/O Enable.
0: SMBus I/O unavailable at Port pins.
1: SMBus I/O routed to Port pins.
SPI I/O Enable.
0: SPI I/O unavailable at Port pins.
1: SPI I/O routed to Port pins. Note that the SPI can be assigned either 3 or 4 GPIO
pins.
UART I/O Output Enable.
0: UART I/O unavailable at Port pin.
1: UART TX0, RX0 routed to Port pins P0.4 and P0.5.
CP1E
R/W
6
0
CP0AE
R/W
5
0
CP0E
R/W
Rev. 1.1
4
0
Function
SMB0E
R/W
3
0
SPI0E
R/W
2
0
Reserved
R
1
0
URT0E
R/W
0
0
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