D7225G NEC, D7225G Datasheet - Page 21

• Manufacturer Part Number: D7225G
• Description: Search -----> UPD7225G
• Manufacturer: NEC

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5.
using the external clock, CL1 can be used to input the external clock (CL2: Open).
must be supplied to the CL1 pin of each PD7225.
Remark f
The clock oscillator can be configured by connecting a resistor (R) across the CL1 and CL2 clock pins. When
When configuring a multi-chip system using the /SYNC pin, a clock with the same frequency and same phase
To LCD timing
control
CLOCK CIRCUIT
f
CL
external clock frequency.)
CL
= Clock oscillation frequency (when using the external clock, this frequency is same as that of the
PD7225
OSC
Figure 5-1. External Circuit for Clock Oscillation Pins
CL1
CL2
Data Sheet S14308EJ6V0DS00
R
To LCD timing
control
f
CL
PD7225
OSC
CL1
CL2
External clock
Open
PD7225
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