CM2916
LCD Driver with Key Scan(4*8)
A.C. Characteristics
（
±
℃，
≦
，
65 % VDD =
＋
，
）
Condition : Ta= 25
3
RH
5V VSS=0V
min.
180
Item
System clock
Symbol
fSYS
Condition
typ. Max.
unit
RC oscillator @5v, external 5%
resistor and 15% capacitor
1/3 duty
256
332
KHz
LCD frame frequency FLCD1
LCD frame frequency FLCD2
LCD frame frequency FLCD
60
45
36
85
64
51
1
110
83
66
HZ
HZ
HZ
1/4 duty
1/5 duty
FCK
MHz
串行 clock
CKWB/CKRB
串行同步控制
CKWB/CKRB
＠5V，Clock duty 50%
TSYNC
@5V
500
ns
Note：如果發射器是用 resonator 的話， CM2916在解碼的設計上，可以容許有 40％ 的 RC
oscillator 的頻率誤差。
* All specs and applications shown above subject to change without prior notice.
1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN
Tel:886-3-3214525
Email: server@ceramate.com.tw
Http: www.ceramate.com.tw
Rev 1.0 Oct. 5, 2004
Page 6 of 22
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