ADP5585 Analog Devices, ADP5585 Datasheet - Page 33

• Manufacturer Part Number: ADP5585
• Description: Keypad Decoder and I/O Expansion
• Manufacturer: Analog Devices

Specifications of ADP5585

• Vin Range: 1.8 to 3.0V
• Application: Mobil I-0 Exp-Keybd Cont,Mobil I-O Expander
• Qwerty Keypad: Yes
• Other Functions: I2C I/O & register
• Function Flag: Mobil I-O
• Package: 16-Lead WLCSP

Data Sheet
POLL_TIME_CFG Register 0x37
Table 63. Register 0x37, POLL_TIME_CFG Bit Descriptions
Bit(s)
7 to 2
1 to 0
PIN_CONFIG_A Register 0x38
Table 64. PIN_CONFIG_A Bit Descriptions
Bit(s)
7 to 6
5
4
3
2
1
0
PIN_CONFIG_B Register 0x39
Table 65. PIN_CONFIG_B Bit Descriptions
Bit(s)
7 to 5
4
3
2
1
0
PIN_CONFIG_C Register 0x3A
Table 66. PIN_CONFIG_D Bit Descriptions
Bit(s)
7
6
Bit Name
N/A
R5_CONFIG
R4_CONFIG
R3_CONFIG
R2_CONFIG
R1_CONFIG
R0_CONFIG
Bit Name
N/A
C4_CONFIG
C3_CONFIG
C2_CONFIG
C1_CONFIG
C0_CONFIG
Bit Name
PULL_SELECT
C4_ EXTEND_CFG
Bit Name
N/A
KEY_POLL_TIME[1:0]
Access
Read/write
Access
Read/write
Read/write
Read/write
Read/write
Read/write
Read/write
Access
Read/write
Read/write
Read/write
Read/write
Read/write
Access
Read/write
Read/write
Rev. A | Page 33 of 36
Description
Reserved.
Configure time between consecutive scan cycles.
00 = 10 ms.
01 = 20 ms.
10 = 30 ms.
11 = 40 ms.
Description
Reserved.
0 = GPIO 6.
1 = Row 5.
0 = GPIO 5
1 = Row 4
0 = GPIO 4 (see R3_EXTEND_CFG[1:0] in Table 66 for alternate configuration,
LC/PWM_OUT).
1 = Row 3
0 = GPIO 3
1 = Row 2
0 = GPIO 2
1 = Row 1
0 = GPIO 1/LY (
1 = Row 0
Description
Reserved.
0 = GPIO 11 (see C4_EXTEND_CFG in Table 66
1 = Column 4.
0 = GPIO 10.
1 = Column 3.
0 = GPIO 9.
1 = Column 2.
0 = GPIO 8.
1 = Column 1.
0 = GPIO 7.
1 = Column 0.
Description
0 = 300 kΩ resistor used for row pull-up during key scanning.
1 = 100 kΩ resistor used for row pull-up during key scanning.
0 = C4 remains configured as GPIO 11.
1 = C4 reconfigured as RESET2 output.
(see R4_EXTEND_CFG in
see R0_EXTEND_CFG in
Table 66
Table 66
for alternate configuration, RESET1).
for alternate configuration, RESET2).
for alternate configuration, LY).
ADP5585