64CH Common Driver For Dot Matrix LCD 12
3) Duty Selection (DS1, DS2)
It provides various duty selection according to DS1, DS2.
DS1
L
DS2
L
DUTY
1/48
H
1/64
H
L
1/96
H
1/128
3. Data shift & Phase Select Control
1) Phase Selection
It is a circuit to shift data on synchronization or rising edge or falling edge of the CL2
according to PCLK2.
PCLK2
PHASE SELECTION
H
L
Data shift on rising edge of CL2
Data shift on falling edge of CL2
2) Data shift Direction Selection
When M/S is connected to VDD, DIO1 and DIO2 terminal is only output.
When M/S is connected to VSS, it depends on the SHL.
MS
H
SHL
H
L
H
L
DIO1
DIO2
DIRECTION OF DATA
C1~C64
C64~C1
DIO1~C1~C64~DIO2
DIO2~C64~C1~DIO1
Output
Output
Input
Output
Output
Output
Input
L
Output
HB [ HB ELECTRONIC COMPONENTS ]
