MAX8930
WLED Charge Pump, RGB, OLED Boost,
LDOs with ALC and CAI
Table 29 . Keypad Control Register for ALC
ADDRESS
(HEX)
0F
POR
(HEX)
A8
BIT 7
KYHS1
BIT 6
KYHS2
BIT 5
KYTH1
BIT 4
KYTH2
BIT 3
KYTH3
BIT 2
KYTH4
BIT 1
Reserved
BIT 0
Reserved
NAME
POR R/W
DESCRIPTION
The hysteresis values between ON and OFF.
KYHS_
10
R/W The value should meet the following equation.
The value of KYTH_ - the value of KYHS_ > 1
KYHS1
0
0
1
1
NAME
KYHS2
0
1
0
1
POR R/W
Hysteresis values
No hysteresis
2h
3h
4h
DESCRIPTION
KYTH_
R/W Determine the OFF time based on ambient light condition
KYTH1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
KYTH2
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
KYTH3
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
KYTH4
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Keypad off
0h off
1h off
2h off
3h off
4h off
5h off
6h off
7h off
8h off
9h off
Ah off
Bh off
Ch off
Dh off
Eh off
Fh off
KYTH1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
Maxim Integrated
47
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