Maxim Integrated MAX32665 - Page 111

MAX32665-MAX32668 User Guide
Maxim Integrated Page 111 of 457
Bluetooth LDO Control
GCR_BTLE_LDOCR
[0x0074]
Bits
Field
Access
Reset
Description
12
ldotxendly
R
0
LDOTX Enable Delay
Not used.
11
ldotxdisch
R/W
0
LDOTX Discharge
This bit is used to discharge the LDOTX output using a strong pulldown. For use
when switching between Bypass Mode and Regulation Mode.
0: No discharge
1: Discharge
10
ldotxbyp
R/W
0
LDOTX Bypass Enable
This bit enables the LDOTX Bypass Mode and charge the LDOTX output voltage
to its input voltage level.
9
ldorxdisch
R/W
0
LDORX Discharge
This bit is used to discharge the LDORX output using a strong pulldown. For use
when switching between Bypass Mode and Regulation Mode.
0: No discharge
1: Discharge
8
ldorxbyp
R/W
0
LDORX Bypass Enable
This bit enables the LDORX Bypass Mode and charges the LDORX output voltage
to its input voltage level.
7:6
ldorxvsel
R/W
b’01
LDORX Output Voltage Setting
0b00: 0.7V
0b01: 0.85V
0b10: 0.9V
0b11: 1.1V
5
ldorxpulld
R/W
1
LDORX Pulldown
This bit is used to provide a weak pulldown to the LDORX output.
0: Pulldown disabled
1: Pulldown enabled
4
ldorxen
R/W
0
LDORX Enable
Enable the LDO and charge its output voltage to the setting in
GCR_BTLE_LDOCR.ldorxvsel.
0: Disabled
1: Enabled
3:2
ldotxvsel
R/W
b’01
LDOTX Output Voltage Setting
0b00: 0.7V
0b01: 0.85V
0b10: 0.9V
0b11: 1.1V
1
ldotxpulld
R/W
1
LDOTX Pull Down
Setting this bit enables a weak pulldown on the output of the TX LDO.
0: Pulldown disabled
1: Pulldown enabled
0
ldotxen
R/W
0
LDOTX Enable
Enable the LDO and charge its output voltage to the setting in
GCR_BTLE_LDOCR.ldotxvsel.
0: Disabled
1: Enabled