BD6088GUL
Address 1Ah < Key Driver 2 value decision control setting >
Technical Note
Address
1Ah
Initial
Value
R/W
W
2Ah
Bit7
-
-
Bit6
-
-
Bit5
CHYS(1)
1
Bit4
CHYS(0)
0
Bit3
CTH(3)
1
Bit2
CTH(2)
0
Bit1
CTH(1)
1
Bit0
CTH(0)
0
Bit [7:6] : (Not used)
Bit [5:4] : CHYS(1:0)
Key DriverON Brightness hysteresis
“00” : Ambient 1h Width
“01” : Ambient 2h Width
“10” : Ambient 3h Width (initial)
“11” : Ambient 4h Width
Refer to “(12) Key back light value decision” of “The explanation of ALC” for detail.
Bit [3:0] : CTH (3:0)
Key DriverOFF Brightness threshold
“0000” : Ambient level 0h OFF
“0001” : Ambient level 1h OFF
“0010” : Ambient level 2h OFF
“0011” : Ambient level 3h OFF
“0100” : Ambient level 4h OFF
“0101” : Ambient level 5h OFF
“0110” : Ambient level 6h OFF
“0111” : Ambient level 7h OFF
“1000” : Ambient level 8h OFF
“1001” : Ambient level 9h OFF
“1010” : Ambient level Ah OFF (initial)
“1011” : Ambient level Bh OFF
“1100” : Ambient level Ch OFF
“1101” : Ambient level Dh OFF
“1110” : Ambient level Eh OFF
“1111” : Ambient level Fh OFF
Refer to “(12) Key back light value decision” of “The explanation of ALC” for detail.
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2011.04 - Rev.A
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