Datasheet

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GPIOs — I
2
C Registers
TPS65810
TPS65811
SLVS658B – MARCH 2006 – REVISED FEBRUARY 2007
The I
2
C registers that control GPIO-related functions are shown below. The HEX address for each register is
shown by the register name, together with the R or W functionality for the register bits. Shaded values indicate
default initial power-up values.
B7 B6 B5 B4 B3 B2 B1 B0
GPIO12, ADDRESS=1B, ALL BITS R/W
Bit Name GPIO2I/O GPIO1I/O GPIO2OUT GPIO1OUT GPIO2LVL GPIO1LVL GPIO1SMSBY GPIO1SM1
Function GPIO2 MODE GPIO1 MODE SET GPIO2 SET GPIO1 GPIO2 EDGE GPIO1 EDGE GPIO 1 GPIO1
LEVEL LEVEL AND LEVEL AND LEVEL CONTROLS CONTROLS
(OUTPUT (OUTPUT DETECTION DETECTION SM1 AND SM2 SM1 ON/OFF
ONLY) ONLY) STANDBY
ON/OFF
When 0 INPUT INPUT LOW LOW RISING EDGE, RISING EDGE, DISABLED DISABLED
LO LEVEL LO LEVEL
When 1 OUTPUT OUTPUT HIGH HIGH FALLING FALLING ENABLED ENABLED
EDGE, HI EDGE, HI
LEVEL LEVEL
GPIO3, ADDRESS=1C, ALL BITS R/W
Bit Name GPIO3I/O GPIO3OUT LDO0_EN CHG_VOLT NOT USED GPIO2 INT GPIO1 INT GPIO2SM2
Function GPIO3 MODE SET GPIO3 LDO0 ON/OFF CHARGE NOT USED GPIO2 GPIO1 SM2 ON/OFF
LEVEL CONTROL VOLTAGE TRIGGERS TRIGGERS CONTROL
(OUTPUT SAFETY BIT INT:HI → LO INT:HI → LO
ONLY)
When 0 INPUT LOW OFF 4.20 V NOT USED DISABLED DISABLED DISABLED
When 1 OUTPUT HIGH ON 4.36 V NOT USED ENABLED ENABLED ENABLED
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