C8051F502-IMR Silicon Laboratories Inc, C8051F502-IMR Datasheet - Page 184
C8051F502-IMR
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
Datasheet
1.C8051F502-IM.pdf
(312 pages)
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
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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
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