C8051F537-IT Silicon Laboratories Inc, C8051F537-IT Datasheet - Page 75

• 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

SFR Definition 6.1. REG0CN: Regulator Control
Bit7:
Bit6:
Bit5:
Bit4:
Bits3–1: UNUSED. Read = 000b. Write = don’t care.
Bit0:
REGDIS Reserved
R/W
Bit7
REGDIS: Voltage Regulator Disable Bit.
This bit disables/enables the Voltage Regulator.
0: Voltage Regulator Enabled.
1: Voltage Regulator Disabled.
RESERVED. Read = 1b. Must write 1b.
UNUSED. Read = 0b. Write = don’t care.
REG0MD: Voltage Regulator Mode Select Bit.
This bit selects the Voltage Regulator output voltage.
0: Voltage Regulator output is 2.1 V.
1: Voltage Regulator output is 2.6 V (default).
DROPOUT: Voltage Regulator Dropout Indicator Bit.
0: Voltage Regulator is not in dropout.
1: Voltage Regulator is in or near dropout.
R/W
Bit6
Bit5
—
R
REG0MD
R/W
Bit4
C8051F52x/F52xA/F53x/F53xA
Rev. 1.3
Bit3
—
R
Bit2
—
R
Bit1
—
R
DROPOUT 01010000
SFR Address:
Bit0
R
Reset Value
0xC9
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