C8051F537-IM Silicon Laboratories Inc, C8051F537-IM Datasheet - Page 47

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

Specifications of C8051F537-IM

• 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-QFN
• Data Bus Width: 8 bit
• Data Ram Size: 256 B
• Interface Type: SPI, UART
• Maximum Clock Frequency: 25 MHz
• Number Of Programmable I/os: 16
• Number Of Timers: 3
• Operating Supply Voltage: 2.7 V to 5.25 V
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 12 bit, 16 Channel
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details
• Other names: 336-1400

Table 3.7. Pin Definitions for the C8051F53x and C805153xA (QFN 20) (Continued)
Note: Please refer to Section “20. Device Specific Behavior” on page 209.
P0.5/RX*
P0.4/RX*
P0.4/TX*
P0.3/TX*
XTAL2
XTAL1
Name
P1.0/
P0.7/
P0.6/
C2D
P0.5
P0.3
P0.2
P0.1
‘F53xA ‘F53x
Pin Numbers
13
14
15
16
17
—
—
18
—
19
20
13
14
15
17
18
19
20
—
16
—
—
D I/O or
D I/O or
D I/O or
D I/O or
D I/O or
D I/O or
D I/O or
D I/O or
D I/O or
D I/O or
D I/O or
D I/O
D I/O
Type
A In
A In
A In
A In
A In
A In
A In
A In
A In
A In
A In
Description
Port 1.0. See Port I/O Section for a complete description.
External Clock Output. For an external crystal or resonator, this
pin is the excitation driver. This pin is the external clock input for
CMOS, capacitor, or RC oscillator configurations. Section
“14. Oscillators” on page 134.
Port 0.7. See Port I/O Section for a complete description.
External Clock Input. This pin is the external oscillator return for a
crystal or resonator. See Oscillator Section.
Port 0.6. See Port I/O Section for a complete description.
Bi-directional data signal for the C2 Debug Interface.
Port 0.5. See Port I/O Section for a complete description.
Port 0.5. See Port I/O Section for a complete description.
Port 0.4. See Port I/O Section for a complete description.
Port 0.4. See Port I/O Section for a complete 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.
Port 0.2. See Port I/O Section for a complete description.
Port 0.1. See Port I/O Section for a complete description.
C8051F52x/F52xA/F53x/F53xA
Rev. 1.3
47