ADP5589ACBZ-02-R7 datasheet(39/52 Pages) AD

Part #	ADP5589ACBZ-02-R7

Description	Keypad Decoder and I/O Expansion

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Manufacturer	AD [Analog Devices]

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39 / 52 page

Data Sheet

ADP5589

Rev. B | Page 39 of 52

GPIO_DIRECTION_C Register 0x32

Table 58. GPIO_DIRECTION_C Bit Descriptions

Bits

Name

R/W

Description

[7:3]

Reserved.

2

GPIO_19_DIR

R/W

0 = GPIO 19 is an input.

1 = GPIO 19 is an output.

1

GPIO_18_DIR

R/W

0 = GPIO 18 is an input.

1 = GPIO 18 is an output.

0

GPIO_17_DIR

R/W

0 = GPIO 17 is an input.

1 = GPIO 17 is an output.

UNLOCK1 Register 0x33

Table 59. UNLOCK1 Bit Descriptions

Bits

Name

R/W

Description

7

UNLOCK1_STATE

R/W

Defines which state the first unlock event should be

For key events:

0 = not applicable; releases not used for unlock.

1 = press is used as unlock event.

For GPIs and logic outputs configured for FIFO updates:

0 = inactive event used as reset condition.

1 = active event used as reset condition.

[6:0]

UNLOCK1[6:0]

R/W

Defines the first event that must be detected to unlock the keypad after LOCK_EN has been set.

UNLOCK2 Register 0x34

Table 60. UNLOCK2 Bit Descriptions

Bits

Name

R/W

Description

7

UNLOCK2_STATE

R/W

Defines which state the second unlock event should be.

For key events:

0 = not applicable; releases not used for unlock.

1 = press is used as unlock event.

For GPIs and logic outputs configured for FIFO updates:

0 = inactive event used as reset condition.

1 = active event used as reset condition.

[6:0]

UNLOCK2[6:0]

R/W

Defines the second event that must be detected to unlock the keypad after LOCK_EN has been set.

EXT_LOCK_EVENT Register 0x35

Table 61. EXT_LOCK_EVENT Bit Descriptions

Bits

Name

R/W

Description

7

EXT_LOCK_STATE

R/W

Defines which state the lock event should be.

For key events:

0 = not applicable; releases not used for unlock.

1 = press is used as unlock event.

For GPIs and logic outputs configured for FIFO updates:

0 = inactive event used as reset condition.

1 = active event used as reset condition.

[6:0]

EXT_LOCK_EVENT[6:0]

R/W

Defines an event that can lock the keypad.

When this event is detected, LOCK_INT is set.

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ADP5589ACBZ-02-R7 Datasheet(PDF) 39 Page - Analog Devices

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