C8051F502-IMR Silicon Laboratories Inc, C8051F502-IMR Datasheet - Page 184

• Manufacturer Part Number: C8051F502-IMR
• Description: MCU 8-Bit C8051F50x 8051 CISC 64KB Flash 2.5V/3.3V/5V 32-Pin QFN EP T/R
• Manufacturer: Silicon Laboratories Inc

Specifications of C8051F502-IMR

• Package: 32QFN EP
• Device Core: 8051
• Family Name: C8051F50x
• Maximum Speed: 50 MHz
• Ram Size: 4.25 KB
• Program Memory Size: 64 KB
• Operating Supply Voltage: 2.5|3.3|5 V
• Data Bus Width: 8 Bit
• Program Memory Type: Flash
• Number Of Programmable I/os: 25
• Interface Type: I2C/SPI/UART
• On-chip Adc: 32-chx12-bit
• Operating Temperature: -40 to 125 °C
• Number Of Timers: 4

C8051F50x/F51x
SFR Definition 20.1. XBR0: Port I/O Crossbar Register 0
SFR Address = 0xE1; SFR Page = 0x0F
184
Name
Reset
Bit
Type
7
6
5
4
3
2
1
0
Bit
SMB0E
CAN0E
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.
CAN I/O Output Enable.
0: CAN I/O unavailable at Port pins.
1: CAN_TX, CAN_RX routed to Port pins P0.6 and P0.7.
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. 1.2
4
0
Function
SMB0E
R/W
3
0
SPI0E
R/W
2
0
CAN0E
R/W
1
0
URT0E
R/W
0
0