C8051F537-ITR Silicon Labs, C8051F537-ITR Datasheet - Page 36

• Manufacturer Part Number: C8051F537-ITR
• Description: 8-bit Microcontrollers - MCU 2KB 12ADC 125C 20Pin MCU
• Manufacturer: Silicon Labs

Specifications of C8051F537-ITR

• Product Category: 8-bit Microcontrollers - MCU
• Rohs: yes
• Core: 8051
• Data Bus Width: 8 bit
• Maximum Clock Frequency: 25 MHz
• Program Memory Size: 2 KB
• Data Ram Size: 256 B
• On-chip Adc: Yes
• Package / Case: TSSOP-20
• Mounting Style: SMD/SMT
• A/d Bit Size: 12 bit
• A/d Channels Available: 16
• Interface Type: SPI, UART
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: - 40 C
• Number Of Programmable I/os: 16
• Number Of Timers: 3
• On-chip Dac: No
• Processor Series: C8051
• Program Memory Type: Flash
• Factory Pack Quantity: 2500
• Supply Voltage - Max: 2.7 V, 5.25 V
• Supply Voltage - Min: 2 V, 2.7 V

C8051F52x/F53x
Table 3.1. Pin Definitions for the C8051F52x and C8051F52xA (DFN 10)
36
Note: Please refer to Section “20. Device Specific Behavior” on page 210.
P0.5/RX*/
CNVSTR
CNVSTR
P0.4/RX*
P0.4/TX*
V
XTAL2
Name
C2CK
RST/
P0.0/
V
P0.5/
GND
P0.3
REGIN
V
REF
DD
‘F52xA
‘F52x-C
Pin Numbers
—
—
1
2
3
4
5
6
7
8
‘F52x
—
—
—
1
2
3
4
5
6
7
D I/O or
D I/O or
D I/O or
D I/O or
D I/O or
D I/O or
A O or
D I/O
D I/O
D I/O
Type
D In
D In
D In
A In
A In
A In
A In
A In
A In
Description
Device Reset. Open-drain output of internal POR or V
An external source can initiate a system reset by driving this pin
low for at least the minimum RST low time to generate a system
reset, as defined in Table 2.8 on page 32. A 1 k pullup to V
GIN
description.
Clock signal for the C2 Debug Interface.
Port 0.0. See Port I/O Section for a complete description.
External V
Ground.
Core Supply Voltage.
On-Chip Voltage Regulator Input.
Port 0.5. See Port I/O Section for a complete description.
External Converter start input for the ADC0, see Section “4. 12-
Bit ADC (ADC0)” on page 52 for a complete description.
Port 0.5. See Port I/O Section for a complete description.
External Converter start input for the ADC0, see Section “4. 12-
Bit ADC (ADC0)” on page 52 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.
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. See Section
“14. Oscillators” on page 135.
is recommended. See Reset Sources Section for a complete
Rev. 1.4
REF
Input. See V
REF
Section.
DD
monitor.
RE-