C8051F502-IMR Silicon Laboratories Inc, C8051F502-IMR Datasheet - Page 186

• 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 20.3. XBR2: Port I/O Crossbar Register 1
SFR Address = 0xC7; SFR Page = 0x0F
186
Name WEAKPUD
Reset
5:1
Bit
Type
7
6
0
Bit
WEAKPUD
Reserved
XBARE
LIN0E
Name
R/W
7
0
Port I/O Weak Pullup Disable.
0: Weak Pullups enabled (except for Ports whose I/O are configured for analog
mode).
1: Weak Pullups disabled.
Crossbar Enable.
0: Crossbar disabled.
1: Crossbar enabled.
Always Write to 00000b.
LIN I/O Output Enable.
0: LIN I/O unavailable at Port pin.
1: LIN_TX, LIN_RX routed to Port pins.
XBARE
R/W
6
0
R/W
5
0
Rev. 1.2
R/W
4
0
Function
Reserved
R/W
3
0
R
2
0
R/W
1
0
LIN0E
R/W
0
0