C8051F537-IT Silicon Laboratories Inc, C8051F537-IT Datasheet - Page 42

• Manufacturer Part Number: C8051F537-IT
• Description: IC 8051 MCU 2K FLASH 20TSSOP
• Manufacturer: Silicon Laboratories Inc
• Series: C8051F53xr

Specifications of C8051F537-IT

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 25MHz
• Connectivity: SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
• Number Of I /o: 16
• Program Memory Size: 2KB (2K x 8)
• Program Memory Type: FLASH
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 2 V ~ 5.25 V
• Data Converters: A/D 16x12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 20-TSSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Other names: 336-1401

C8051F52x/F52xA/F53x/F53xA
Table 3.4. Pin Definitions for the C8051F53x and C805153xA (TSSOP 20) (Continued)
42
*Note: Please refer to Section “20. Device Specific Behavior” on page 209.
P0.3/TX*
Name
P0.3
‘F53xA ‘F53x
Pin Numbers
20
—
20
—
D I/O or
D I/O or
Type
A In
A In
Description
Port 0.3. See Port I/O Section for a complete description.
Port 0.3. See Port I/O Section for a complete description.
Rev. 1.3