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ADP5585ACPZ-01-R7 数据表(PDF) 34 Page - Analog Devices

部件名 ADP5585ACPZ-01-R7
功能描述  Keypad Decoder and I/O Expansion
PDF  40 Pages
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

ADP5585ACPZ-01-R7 数据表(HTML) 34 Page - Analog Devices

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ADP5585
Data Sheet
Rev. C | Page 34 of 40
POLL_TIME_CFG Register 0x37
Table 63. Register 0x37, POLL_TIME_CFG Bit Descriptions
Bit(s)
Bit Name
Access
Description
7 to 2
N/A
Reserved.
1 to 0
KEY_POLL_TIME[1:0]
Read/write
Configure time between consecutive scan cycles.
00 = 10 ms.
01 = 20 ms.
10 = 30 ms.
11 = 40 ms.
PIN_CONFIG_A Register 0x38
Table 64. PIN_CONFIG_A Bit Descriptions
Bit(s)
Bit Name
Access
Description
7 to 6
N/A
Reserved.
5
R5_CONFIG
Read/write
Reserved except for ADP5585AC_Z-01-R7 options)
0 = GPIO 6.
1 = Row 5.
4
R4_CONFIG
Read/write
0 = GPIO 5 (see R4_EXTEND_CFG in Table 66 for alternate configuration, RESET1).
1 = Row 4
3
R3_CONFIG
Read/write
0 = GPIO 4 (see R3_EXTEND_CFG[1:0] in Table 66 for alternate configuration,
LC/PWM_OUT).
1 = Row 3
2
R2_CONFIG
Read/write
0 = GPIO 3
1 = Row 2
1
R1_CONFIG
Read/write
0 = GPIO 2
1 = Row 1
0
R0_CONFIG
Read/write
0 = GPIO 1/LY (see R0_EXTEND_CFG in Table 66 for alternate configuration, LY).
1 = Row 0
PIN_CONFIG_B Register 0x39
Table 65. PIN_CONFIG_B Bit Descriptions
Bit(s)
Bit Name
Access
Description
7 to 5
N/A
Reserved.
4
C4_CONFIG
Read/write
0 = GPIO 11 (see C4_EXTEND_CFG in Table 66 for alternate configuration, RESET2).
1 = Column 4.
3
C3_CONFIG
Read/write
0 = GPIO 10.
1 = Column 3.
2
C2_CONFIG
Read/write
0 = GPIO 9.
1 = Column 2.
1
C1_CONFIG
Read/write
0 = GPIO 8.
1 = Column 1.
0
C0_CONFIG
Read/write
0 = GPIO 7.
1 = Column 0.
PIN_CONFIG_C Register 0x3A
Table 66. PIN_CONFIG_D Bit Descriptions
Bit(s)
Bit Name
Access
Description
7
PULL_SELECT
Read/write
0 = 300 kΩ resistor used for row pull-up during key scanning.
1 = 100 kΩ resistor used for row pull-up during key scanning.
6
C4_ EXTEND_CFG
Read/write
0 = C4 remains configured as GPIO 11.
1 = C4 reconfigured as RESET2 output.



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