C8051F388 Datasheet, PDF (71/285 Pages) –

C8051F388/9/A/B
SFR Definition 9.1. REG01CN: Voltage Regulator Control
Bit
7
6
5
4
3
2
1
0
Name REG0DIS INT2STAT Reserved REG0MD STOPCF Reserved REG1MD Reserved
Type R/W
R
R/W
R/W
R/W
R/W
R/W
R/W
Reset
0
0
0
0
0
0
0
0
SFR Address = 0xC9; SFR Page = All Pages
Bit Name
Function
7 REG0DIS Voltage Regulator (REG0) Disable.
This bit enables or disables the REG0 Voltage Regulator.
0: Voltage Regulator Enabled.
1: Voltage Regulator Disabled.
6 INT2STAT INT2 Signal Status.
This bit indicates the status of the INT2 pin.
0: INT2 pin is currently low.
1: INT2 pin is currently high.
5 Reserved Must Write 0b.
4 REG0MD Voltage Regulator (REG0) Mode Select.
This bit selects the Voltage Regulator mode for REG0. When REG0MD is set to 1, the
REG0 voltage regulator operates in lower power (suspend) mode.
0: REG0 Voltage Regulator in normal mode.
1: REG0 Voltage Regulator in low power mode.
3 STOPCF Stop Mode Configuration (REG1).
This bit configures the REG1 regulator’s behavior when the device enters STOP mode.
0: REG1 Regulator is still active in STOP mode. Any enabled reset source will reset the
device.
1: REG1 Regulator is shut down in STOP mode. Only the RST pin or power cycle can
reset the device.
2 Reserved Must Write 0b.
1 REG1MD Voltage Regulator (REG1) Mode.
This bit selects the Voltage Regulator mode for REG1. When REG1MD is set to 1, the
REG1 voltage regulator operates in lower power mode.
0: REG1 Voltage Regulator in normal mode.
1: REG1 Voltage Regulator in low power mode.
This bit should not be set to '1' if the REG0 Voltage Regulator is disabled.
0 Reserved Must Write 0b.
Rev. 1.1
71