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HT16C21 Datasheet(PDF) 24 Page - Holtek Semiconductor Inc

Part # HT16C21
Description  RAM Mapping 20*4 / 16*8 LCD Driver Controller
PDF  34 Pages
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Manufacturer  HOLTEK [Holtek Semiconductor Inc]
Direct Link  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT16C21 Datasheet(HTML) 24 Page - Holtek Semiconductor Inc

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Rev. 1.00
24
November 22, 2011
HT16C21
Application Circuit
Set as Segment pin
●
1/4 Duty
LCD panel
COM0~COM3
SEG0~SEG19
COM0~COM3
SEG0~SEG19
SCL
SDA
VDD
VSS
HOST
VDD
VSS
HT16C21
VDD
VSS
0.1uF
4.7KΩ
4.7KΩ
●
1/8 duty
LCD panel
COM0~COM7
SEG0~SEG15
COM0~COM7
SEG4~SEG19
SCL
SDA
VDD
VSS
HOST
VDD
VSS
HT16C21
VDD
VSS
0.1uF
4.7KΩ
4.7KΩ
Note: 1. If the internal VLCD voltage adjustment function is disabled, the bias voltage is supplied by internal VDD
power.
2. If the internal VLCD voltage adjustment function is enabled, the bias voltage is supplied by the internal
adjusted voltage selected by the DA3~DA0 bits.



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