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ADP5587ACPZ-R7 Datasheet(PDF) 16 Page - Analog Devices

Part No. ADP5587ACPZ-R7
Description  Mobile I/O Expander and QWERTY Keypad Controller
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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ADP5587ACPZ-R7 Datasheet(HTML) 16 Page - Analog Devices

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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
I2C auto-increment. Burst read is supported; burst write is not supported.
1: I2C auto-increment is on.
0: I2C auto-increment is off.
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.


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