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PRODUCTPREVIEW
SWCS046C – MARCH 2010 – REVISED JUNE 2010
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Table 4. Fixed Boot Mode: 01
TPS65910
Register
Bit
Description
Boot 01
VDD1_OP_REG
SEL
VDD1 voltage level selection for boot
1.2 V
VDD1_REG
VGAIN_SEL
VDD1 Gain selection, x1 or x2
x1
EEPROM
VDD1 time slot selection
3
DCDCCTRL_REG
VDD1_PSKIP
VDD1 pulse skip mode enable
Skip enabled
VDD2_OP_REG/VDD2_SR_REG
SEL
VDD2 voltage level selection for boot
1.2 V
VDD2_REG
VGAIN_SEL
VDD2 Gain selection, x1 or x3
x1
EEPROM
VDD2 time slot selection
4
DCDCCTRL_REG
VDD2_PSKIP
VDD2 pulse skip mode enable
Skip enabled
VIO_REG
SEL
VIO voltage selection
1.8 V
EEPROM
VIO time slot selection
1
DCDCCTRL_REG
VIO_PSKIP
VIO pulse skip mode enable
Skip enabled
EEPROM
VDD3 time slot
OFF
VDIG1_REG
SEL
LDO voltage selection
1.2 V
EEPROM
LDO time slot
OFF
VDIG2_REG
SEL
LDO voltage selection
1.0 V
EEPROM
LDO time slot
OFF
VDAC_REG
SEL
LDO voltage selection
1.8 V
EEPROM
LDO time slot
OFF
VPLL_REG
SEL
LDO voltage selection
1.8 V
EEPROM
LDO time slot
2
VAUX1_REG
SEL
LDO voltage selection
1.8 V
EEPROM
LDO time slot
OFF
VMMC_REG
SEL
LDO voltage selection
1.8 V
EEPROM
LDO time slot
OFF
VAUX33_REG
SEL
LDO voltage selection
3.3 V
EEPROM
LDO time slot
6
VAUX2_REG
SEL
LDO voltage selection
1.8 V
EEPROM
LDO time slot
5
CLK32KOUT pin
CLK32KOUT time slot
7
NRESPWRON pin
NRESPWRON time slot
7+1
0: VRTC LDO will be in low-power mode during OFF state
VRTC_OFFMAS
VRTC_REG
low-power mode
K
1: VRC LDO will be in full-power mode during OFF state
0: RTC in normal power mode
DEVCTRL_REG
RTC_PWDN
1
1: Clock gating of RTC register and logic, low-power mode
0: Clock source is crystal/external clock
DEVCTRL_REG
CK32K_CTRL
Crystal
1: Clock source is internal RC oscillator
Boot sequence time slot duration:
DEVCTRL2_REG
TSLOT_LENGTH 0: 0.5 ms
2 ms
1: 2 ms
0: INT1 signal will be active-low
DEVCTRL2_REG
IT_POL
Active-low
1: INT1 signal will be active-high
0: Device will automatically switch-on at NOSUPPLY to
0: Automatic
OFF or BACKUP to OFF transition
INT_MSK_REG
VMBHI_IT_MSK
switch-on from
supply insertion
1: Startup reason required before switch-on
Select threshold for main battery comparator threshold
VMBCH_REG
VMBCH_SEL[1:0]
3 V
VMBCH.
30
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