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參數(shù)資料
| 型號： | HD66760 |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | 104 X 80-dot Graphics LCD Controller/Driver for 256 Colors |
| 中文描述： | 104 × 80點圖形LCD控制器/驅(qū)動器的256色 |
| 文件頁數(shù)： | 95/105頁 |
| 文件大?。?/td> | 653K |
| 代理商： | HD66760 |
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HD66760
95
3. The TEST, VSW1, and VSW2 pins must be grounded and the IM2-0 and OPOFF pins must be grounded
or connected to Vcc.
4. Applies to the resistor value (RCOM) between power supply pins V1OUT, V2OUT, V5OUT, GND and
common signal pins, and resistor value (RSEG) between power supply pins V1OUT, V3OUT, V4OUT,
GND and segment signal pins.
5. This excludes the current flowing through output drive MOSs.
6. This excludes the current flowing through the input/output units. The input level must be fixed high or
low because through current increases if the CMOS input is left floating. Even if the CS pin is low or
high when an access with the interface pin is not performed, current consumption does not change.
7. The following shows the relationship between the operation frequency (fosc) and current consumption
(Icc) (figure 61).
R-C oscillation frequencies: fosc (kHz)
300
400
200
100
0
I
μ
A
Vcc = 3 V
100
30
40
20
10
0
I
μ
A
Vcc = 3 V, fosc = 173 kHz
8.0
LCD drive voltage: VLCD (V)
10.0
12.0
14.0
200
150
250
300
350
Figure 61 Relationship between the Operation Frequency and Current Consumption
8. Each COM and SEG output voltage is within }0.15 V of the LCD voltage (Vcc, V1, V2, V3, V4, V5)
when there is no load.
9. Applies to the external clock input (figure 62).
Oscillator
OSC1
Open
OSC2
trcp
tfcp
Th
Tl
0.7Vcc
0.5Vcc
0.3Vcc
Duty =
Th + Tl
Th
x 100%
2 k
Figure 62 External Clock Supply
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