HD61203U_1 Datasheet, PDF (14/29 Pages) Hitachi Semiconductor – Dot Matrix Liquid Crystal Graphic Display 64-Channel Common Driver

HD61203U
Outline of HD61203U System Configuration
Use with HD61830
1. When display duty ratio of LCD is 1/64
HD61830
No. 1
COM1
LCD
COM64
One HD61203U drives
common signals.
Refer to Connection
List A.
HD61830
No. 1
LCD
COM1
COM64
COM1
COM64
Upper
Lower
One HD61203U drives
common signals for
upper and lower
panels.
Refer to Connection
List A.
HD61830
No. 1
No. 2
LCD
COM1
COM64
COM1
COM64
Upper
Lower
Two HD61203Us drive
upper and lower panels
separately to ensure
the quality of display.
No. 1 and No. 2 operate
in parallel.
2. When display duty ratio of LCD is from 1/65 to 1/128
For both of No. 1 and
No. 2, refer to
Connection List A.
HD61830
No. 1
HD61830
No. 2
No. 1
HD61830
No. 2
No. 1
No. 3
No. 2
No. 4
COM1
LCD
COM128
Two HD61203Us
connected serially drive
common signals.
Refer to Connection
List B for No. 1.
Refer to Connection
List C for No. 2.
LCD
COM1
COM128 ^Upper
COM1
COM128
Lower
Two HD61203Us
connected serially
drive upper and lower
panels in parallel.
Refer to Connection
List B for No. 1.
Refer to Connection
List C for No. 2.
LCD
COM1
COM128
Upper
COM1 _Lower
COM128
Two sets of HD61203Us
connected serially
drive upper and lower
panels in parallel to
ensure the quality of
display.
Refer to Connection
List B for No. 1 and 3.
Refer to Connection
List C for No. 2 and 4.
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