ADP5585ACPZ-00-R7 datasheet(19/40 Pages) AD

Part #	ADP5585ACPZ-00-R7

Description	Keypad Decoder and I/O Expansion

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Data Sheet

ADP5585

Rev. C | Page 19 of 40

DETAILED REGISTER DESCRIPTIONS

Note that N/A throughout this section means not applicable.

Note: All register default to 0000 0000 unless otherwise specified.

ID Register 0x00

Table 7. ID Bit Descriptions

Bit(s)

Bit Name

Access

Description

7 to 4

MAN_ID

Read only

Manufacturer ID, default = 0010

3 to 0

REV_ID

Read only

Rev ID

INT_STATUS Register 0x01

Table 8. INT_STATUS Bit Descriptions

Bit(s)

Bit Name

Access

Description1

7 to 5

N/A

Reserved.

4

LOGIC_INT

Read/write

0 = no interrupt.

1 = interrupt due to a general logic condition.

3

N/A

Reserved.

2

OVERFLOW_INT

Read/write

0 = no interrupt.

1 = interrupt due to an overflow condition.

1

GPI_INT

Read/write

This bit is not set by a GPI that has been configured to update the FIFO and event count.

This bit cannot be cleared until all GPI_x_INT bits are cleared.

0 = no interrupt.

1 = interrupt due to a general GPI condition.

0

EVENT_INT

Read/write

0 = no interrupt.

1 = interrupt due to key event (press/release), GPI event (GPI programmed for FIFO

updates), or logic event (programmed for FIFO updates).

1

Interrupt bits are cleared by writing a 1 to the flag; writing a 0 or reading the flag has no effect.

Status Register 0x02

Table 9. Status Bit Descriptions

Bit(s)

Bit Name

Access

Description

7

N/A

Reserved.

6

LOGIC_STAT

Read only

0 = output from logic block (LY) is low.

1 = output from logic block (LY) is high.

5

N/A

Reserved.

4 to 0

EC[4:0]

Read only

Event count value. Indicates how many events are currently stored on the FIFO.

FIFO_1 Register 0x03

Table 10. FIFO_1 Bit Descriptions

Bit(s)

Bit Name

Access

Description

7

EVENT1_STATE

Read only

This bit represents the state of the event that is recorded in the EVENT1_IDENTIFIER[6:0] bit.

For key events from Event 1 to Event 36, use the following settings:

1 = key is pressed.

0 = key is released.

For GPI and logic events from Event 37 to Event 48, use the following settings:

1 = GPI/logic is active.

0 = GPI/logic is inactive.

Active and inactive states for Event 37 to Event 48 are programmable.

6 to 0

EVENT1_IDENTIFIER[6:0]

Read only

Contains the event identifier for the pin. Refer to Table 11.

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