C8051F546-IMR Silicon Labs, C8051F546-IMR Datasheet - Page 73

• Manufacturer Part Number: C8051F546-IMR
• Description: 8-bit Microcontrollers - MCU 50 MIPS 8 kB 1kB LIN 2.1 SPI UART I2C
• Manufacturer: Silicon Labs

Specifications of C8051F546-IMR

• Rohs: yes
• Core: 8051
• Processor Series: C8051
• Data Bus Width: 8 bit

SFR Definition 9.1. REG0CN: Regulator Control
SFR Address = 0xC9; SFR Page = 0x00
Name
Reset
Bit
3:1
Figure 9.2. External Capacitors for Voltage Regulator Input/Output—Regulator Disabled
Type
7
6
5
4
0
Bit
DROPOUT
Reserved
REG0MD
REGDIS
REGDIS
Unused
Unused
Name
R/W
7
0
Reserved
Voltage Regulator Disable Bit.
0: Voltage Regulator Enabled
1: Voltage Regulator Disabled
Read = 1b; Must Write 1b.
Read = 0b; Write = Don’t Care.
Voltage Regulator Mode Select Bit.
0: Voltage Regulator Output is 2.1V.
1: Voltage Regulator Output is 2.6V.
Read = 000b. Write = Don’t Care.
Voltage Regulator Dropout Indicator.
0: Voltage Regulator is not in dropout
1: Voltage Regulator is in or near dropout.
R/W
6
1
V
DD
4.7 µF
R
5
0
REG0MD
R/W
Rev. 1.1
4
1
.1 µF
Function
R
3
0
V
V
REGIN
DD
R
2
0
C8051F54x
R
1
0
DROPOUT
R
0
0
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