c8051f544 Silicon Laboratories, c8051f544 Datasheet - Page 73

• Manufacturer Part Number: c8051f544
• Description: Mixed Signal Isp Flash Mcu Family
• Manufacturer: Silicon Laboratories

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
REG0MD
REGDIS
REGDIS
Unused
Unused
Unused
Name
R/W
7
0
Voltage Regulator Disable Bit.
0: Voltage Regulator Enabled
1: Voltage Regulator Disabled
Read = 0b; Must Write 0b.
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
0
V
DD
4.7 µF
R
5
0
REG0MD
R/W
Rev. 1.0
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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