參數(shù)資料
型號: UPD7225G00
廠商: NEC Corp.
英文描述: PROGRAMMABLE LCD CONTROLLER/DRIVER
中文描述: 可編程LCD控制器/驅(qū)動
文件頁數(shù): 21/52頁
文件大小: 289K
代理商: UPD7225G00
Data Sheet S14308EJ6V0DS00
21
μ
PD7225
5.
CLOCK CIRCUIT
The clock oscillator can be configured by connecting a resistor (R) across the CL1 and CL2 clock pins. When
using the external clock, CL1 can be used to input the external clock (CL2: Open).
Figure 5-1. External Circuit for Clock Oscillation Pins
OSC
CL1
R
CL2
f
CL
To LCD timing
control
PD7225
μ
OSC
CL1
External clock
Open
CL2
f
CL
To LCD timing
control
PD7225
μ
Remark
f
CL
= Clock oscillation frequency (when using the external clock, this frequency is same as that of the
external clock frequency.)
When configuring a multi-chip system using the /SYNC pin, a clock with the same frequency and same phase
must be supplied to the CL1 pin of each
μ
PD7225.
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