ADP5587

Rev. B | Page 16 of 24

Address

Register Name

Description

0x2A

DEBOUNCE_DIS2

Debounce disable

0x2B

DEBOUNCE_DIS3

Debounce disable

0x2C

GPIO_PULL1

GPIO pull disable

0x2D

GPIO_PULL2

GPIO pull disable

0x2E

GPIO_PULL3

GPIO pull disable

REGISTER DESCRIPTIONS

Table 16. DEV_ID—Register 0x00 (Device ID)

Register Name

Register Description

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

DEV_ID

Device ID[3:0], MFG ID[7:4]

MFID3

MFID2

MFID1

MFID0

DID3

DID2

DID1

DID0

Table 17. CFG—Register 0x01 (Configuration Register 1)

Field

Bits

Description

AUTO_INC

7

GPIEM_CFG

6

GPI event mode configuration.

1: GPI events are not tracked when the keypad is locked.

0: GPI events are tracked when the keypad is locked.

OVR_FLOW_M

5

Overflow mode.

1: overflow mode is on; register overflow data shifts in, starting at the last event and losing first event data.

0: overflow mode is off; register overflow data is lost.

INT_CFG

4

Interrupt configuration.

1: processor interrupt is deasserted for 275 μs and is reasserted with pending key events.

0: processor interrupt remains asserted when host tries to clear interrupt while there is a pending key event.

OVR_FLOW_IEN

3

Overflow interrupt enable.

1: overflow interrupt is enabled.

0: overflow interrupt is disabled.

K_LCK_IM

2

Keypad lock interrupt mask.

1: keypad lock interrupt is enabled.

0: keypad lock interrupt is disabled.

GPI_IEN

1

GPI interrupt enable.

1: GPI interrupt is enabled.

0: GPI interrupt is disabled.

KE_IEN

0

Key events interrupt enable.

1: key events interrupt is enabled.

0: key events interrupt is disabled.