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| HD61203U_1 Datasheet, PDF (10/29 Pages) Hitachi Semiconductor – Dot Matrix Liquid Crystal Graphic Display 64-Channel Common Driver | |||
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HD61203U
Terminal
Name
FS
Number of
Terminals I/O
1
I
DS1, DS2
2
I
$%
1
I
TH
1
CL1
1
CR, R, C
3
ø1, ø2
2
O
Connected to Functions
VCC or GND
Selects frequency.
When the frame frequency is 70 Hz, the oscillation
frequency should be:
VCC or GND
fOSC = 430 kHz at FCS = VCC
fOSC = 215 kHz at FCS = GND
This terminal is active only in the master mode.
Connect it to VCC in the slave mode.
Selects display duty factor.
Display Duty Factor 1/48 1/64 1/96 1/128
VCC or GND
DS1
GND GND VCC VCC
DS2
GND VCC GND VCC
These terminals are valid only in the master mode.
Connect them to VCC in the slave mode.
Input terminal for testing
Connect to $% VCC.
Connect TH and CL1 to GND.
Oscillator
In the master mode, use these terminals as shown
below:
Internal oscillation
Rf
Cf
External clock
External
Open clock Open
R
CR
C
R
CR
C
In the slave mode, stop the oscillator as shown
below:
Open VCC Open
R
CR
C
HD61202U
Operating clock output terminals for the HD61202U
⢠Master mode
Connect these terminals to terminals ø1 and ø2
of the HD61202U respectively.
⢠Slave mode
Donât connect any lines to these terminals.
858
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