HD66787 Datasheet, PDF (121/159 Pages) Renesas Technology Corp – 528-channel, One-chip Driver with 262,144-color Display RAM and Power Supply Circuit for Low-temperature Poli-Si TFT (LTPS-TFT) Panels with Incorporat

HD66787
Preliminary
8-to-1 selector
The 8-to-1 selectors select a voltage level generated by the ladder resistors according to fine adjustment
registers, and output six kinds of reference voltage, VIN1 to VIN 6. The relationship between the fine
adjustment register and the selected voltage is as follows.
Fine adjustment registers and selected voltage
The value of Register
PKP(N)[2:0]
000
001
010
011
100
101
110
111
Selected Voltage
VINP(N)1 VINP(N)2
KVP(N)1 KVP(N)9
KVP(N)2 KVP(N)10
KVP(N)3 KVP(N)11
KVP(N)4 KVP(N)12
KVP(N)5 KVP(N)13
KVP(N)6 KVP(N)14
KVP(N)7 KVP(N)15
KVP(N)8 KVP(N)16
VINP(N)3
KVP(N)17
KVP(N)18
KVP(N)19
KVP(N)20
KVP(N)21
KVP(N)22
KVP(N)23
KVP(N)24
VINP(N)4
KVP(N)25
KVP(N)26
KVP(N)27
KVP(N)28
KVP(N)29
KVP(N)30
KVP(N)31
KVP(N)32
VINP(N)5
KVP(N)33
KVP(N)34
KVP(N)35
KVP(N)36
KVP(N)37
KVP(N)38
KVP(N)39
KVP(N)40
VINP(N)6
KVP(N)41
KVP(N)42
KVP(N)43
KVP(N)44
KVP(N)45
KVP(N)46
KVP(N)47
KVP(N)48
Rev.0.22, May.23.2003, page 121 of 159