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參數(shù)資料
| 型號(hào)： | LC73101C |
| 文件頁數(shù)： | 18/34頁 |
| 文件大?。?/td> | 217K |
| 代理商： | LC73101C |
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Reset Circuit
The LC73101C is reset to the initialized state by a low level applied to the RES input. The following describes the
initialized state.
(1)
Display: off
(2)
Display normal
(3)
ADC selection: Normal (ADC command D0 = 0)
(4)
Power control register (D2, D1, D0) = (0, 0, 0)
(5)
Serial interface internal register data: cleared
(6)
LCD power supply bias ratio: 1/10
(7)
Display: all dots off.
(8)
Power saving function: disabled
(9)
V
1
voltage adjustment internal resistors Ra and Rb: Disconnected.
(10) The SEG and COM outputs go to the V
SS
level while RES is low.
(11) Read-modify-write: off
(12) Display start line address: 00H
(13) Display start common address: 00H
(10) Column address: 00H
(11) Page address: page 0
(12) Common output state: Normal order
(13) V
1
voltage adjustment internal resistor ratio: 1.5
(14) Electronic potentiometer register set mode: cleared
Electronic potentiometer register (D5, D4, D3, D2, D1, D0) = (1, 0, 0, 0, 0, 0)
(15) LCD bias register set mode: cleared
LCD bias register (D2, D1, D0) = (0, 0, 0)
When the Reset command is used, only items (7) to (15) in the above initialization items are reset as shown.
The RES pin can be connected to the microcontroller reset pin so that both the LC73101C and the microcontroller are
reset at the same time. The LC73101C must be initialized with the RES pin when power is first applied. Note that
overcurrents may flow in this IC if the control signals from the microcontroller are in the high-impedance state.
Applications must be designed so that the input pins are not connected to high-impedance lines when power is first
applied. If the internal LCD power supply circuit is not used, the RES pin must be at the low level when the external
LCD power supply is turned on.
No. 6853-18/34
LC73101C
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