Datasheet
TPS65720
TPS65721
www.ti.com
SLVS979 –OCTOBER 2009
CONTROL1 Register Address: 0Ah (read/write)
CONTROL1 B7 B6 B5 B4 B3 B2 B1 BO
Bit name and function HOLD PB_STAT RESET_DELAY
Default 0 0 0 0 1 0 1
Default value loaded by: UVLO/R UVLO/R UVLO/R
Read/write R R R R/W R R R R/W
Bit 5 HOLD (ORed with PB_IN):
0 = DCDC1 and LDO1 switched off
1 = DCDC1 and LDO1 enabled
Bit 4 PB_STAT (push-button status, after debounce):
0 = push-button not pressed
1 = push-button pressed
Bit 0 RESET_DELAY:
0 = 11ms
1 = 90ms
GPIO_SSC Register Address: 0Bh (read/write)
GPIO_SSC B7 B6 B5 B4 B3 B2 B1 BO
Bit name and function GPIO3 GPIO2 GPIO1 GPIO0
Default 0 0 0 0 1 1 1 1
Default value loaded by: UVLO/R UVLO/R UVLO/R UVLO/R
Read/write R R R R/W R R R R/W
Bit 3 GPIO3:
0 = data in input buffer / actively pulled low when configured as an output or LED driver enabled
1 = data in input buffer / high impedance when configured as an output or LED driver
Bit 2 GPIO2:
0 = data in input buffer / actively pulled low when configured as an output or LED driver enabled
1 = data in input buffer / high impedance when configured as an output or LED driver
Bit 1 GPIO1:
0 = data in input buffer / actively pulled low when configured as an output
1 = data in input buffer / high impedance when configured as an output
Bit 0 GPIO0:
0 = data in input buffer / actively pulled low when configured as an output
1 = data in input buffer / high impedance when configured as an output
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Product Folder Link(s): TPS65720 TPS65721