TCA8418E_15 Datasheet, PDF (28/50 Pages) Texas Instruments – I2C Controlled Keypad Scan IC With Integrated ESD Protection

TCA8418E
SCPS222C – MAY 2010 – REVISED OCTOBER 2015
ADDRESS
0x27
0x28
0x29
0x2A
0x2B
0x2C
0x2D
0x2E
0x2F
REGISTER NAME
GPIO_INT_LVL2
GPIO_INT_LVL3
DEBOUNCE_DIS1
DEBOUNCE_DIS2
DEBOUNCE_DIS3
GPIO_PULL1
GPIO_PULL2
GPIO_PULL3
Reserved
Table 9. Register Descriptions (continued)
REGISTER
DESCRIPTION
GPIO edge/level detect
0: falling/low
1: rising/high
GPIO edge/level detect
0: falling/low
1: rising/high
Debounce disable
0: debounce enabled
1: debounce disabled
Debounce disable
0: debounce enabled
1: debounce disabled
Debounce disable
0: debounce enabled
1: debounce disabled
GPIO pullup disable
0: pullup enabled
1: pullup disabled
GPIO pullup disable
0: pullup enabled
1: pullup disabled
GPIO pullup disable
0: pullup enabled
1: pullup disabled
7
C7IL
0
N/A
0
R7DD
0
C7DD
0
N/A
0
R7PD
0
C7PD
0
N/A
0
6
C6IL
0
N/A
0
R6DD
0
C6DD
0
N/A
0
R6PD
0
C6PD
0
N/A
0
5
C5IL
0
N/A
0
R5DD
0
C5DD
0
N/A
0
R5PD
0
C5PD
0
N/A
0
4
C4IL
0
N/A
0
R4DD
0
C4DD
0
N/A
0
R4PD
0
C4PD
0
N/A
0
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3
C3IL
0
N/A
0
R3DD
0
C3DD
0
N/A
0
R3PD
0
C3PD
0
N/A
0
2
C2IL
0
N/A
0
R2DD
0
C2DD
0
N/A
0
R2PD
0
C2PD
0
N/A
0
1
C1IL
0
C9IL
0
R1DD
0
C1DD
0
C9DD
0
R1PD
0
C1PD
0
C9PD
0
0
C0IL
0
C8IL
0
R0DD
0
C0DD
0
C8DD
0
R0PD
0
C0PD
0
C8PD
0
28
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