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HT16C21 Datasheet(PDF) 2 Page - Holtek Semiconductor Inc

Part # HT16C21
Description  RAM Mapping 20*4 / 16*8 LCD Driver Controller
Download  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) 2 Page - Holtek Semiconductor Inc

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Rev. 1.00
2
November 22, 2011
HT16C21
Block Diagram
LCD
Voltage
Selector
Column
/Segment
driver
output
Segment
driver
output
Display RAM
16*8bits
Timing
generator
I2C
Controller
COM0
COM3
SEG4
VLCD
VSS
SDA
SCL
Internal RC
Oscillator
Power_on reset
R
－
＋
OP1
COM4/SEG0
COM7/SEG3
R
－
＋
OP2
SEG19
VDD
LCD bias generator
R
8
R
－
＋
OP3
Internal
voltage
adjustment
－
＋
OP4


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