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PDF HD66130 Data sheet ( Hoja de datos )
| Número de pieza | HD66130 | |
| Descripción | 320-channel Low-voltage Segment Driver for Dot-Matrix STN Liquid Crystal Display | |
| Fabricantes | Hitachi Semiconductor | |
| Logotipo |  |
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HD66130T
320-channel Low-voltage Segment Driver for Dot-Matrix STN
Liquid Crystal Display
Description
The HD66130T is a 320-channel segment driver for driving a dot-matrix STN liquid-crystal panel at a low
voltage. The driver can also correspond to 240-channel output by switching mode. It operates at a low
voltage: a liquid-crystal drive voltage of 5 V and a logic drive voltage of 3 V, and is used together with
common driver HD66131T or HD66135T. The package, which adopts a flexible TCP, can be applied to
various liquid crystal panels.
Features
• Display duty: Up to 1/240
• Liquid crystal drive voltage: 2.6 to 5.5 V
• Number of liquid crystal drive circuits: 320 circuits
• Operating voltage: 2.5 to 5.5 V
• Number of data bits: 4 or 8 bits
• Shift clock speed: 8 MHz max/5V
6.5 MHz max/3V
• Together with the common drivers
HD66131T , HD66135T
• Low power consumption
• Switching output mode: 320 output mode
240 output mode
• Display-off function
• Flexible TCP
• Automatic generation of chip-enable signals
• Standby function
1
1 page  
HD66130T
Pin Functions (cont)
Class
Pin Pin
Symbol Number Name
Liquid crystal Y1 to
drive output Y320
1 to 320 Y1 to
Y320
I/O Function
Output Liquid crystal drive output: Selects and outputs level
V0 or V1 according to the combination of the M signal
and display data when DISP is connected to Vcc.
M
D
Output level
1
10
0
10
V0 V1 V1 V0
5
5 Page 
HD66130T
4.1 Turning on the power
1) Turn on the power in the order of GND- VCC, GND-V0, and VM/V1. Then, ground the DISP pin.
2) The LCD forcibly outputs the VM level by the DISPOFF function.
3) Even if an input signal is disturbed immediately after VCC is applied, the DISPOFF function has priority.
4) Input the specific signal to initialize registers in the driver. The initialization period must be at least one
frame.
5) The preparation of normal display is completed. Input the VCC level to the DISP pin to cancel the
DISPOFF function. At this time, the level of pins V0, VM, and V1 must rise to the specific potential.
4.2 Turning off the power
The procedure is basically the reverse for turning on the power.
1) Ground the DISP pin.
2) Turn off the liquid crystal power in the order of VM/V1 and GND-V0.
3) Ground VCC and an input signal.
At this time, the level of pins V0, VM, and V1 must fall to 0 V. Since the DISPOFF function stops when
VCC falls to 0 V, the LCD may output a level other than VM. Therefore, a display failure may occur when
the power is turned off or on.
11
11 Page | ||
| Páginas | Total 16 Páginas | |
| PDF Descargar | [ Datasheet HD66130.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| HD66130 | 320-channel Low-voltage Segment Driver for Dot-Matrix STN Liquid Crystal Display | Hitachi Semiconductor |
| HD66130T | 320-channel Low-voltage Segment Driver for Dot-Matrix STN Liquid Crystal Display | Hitachi Semiconductor |
| HD66137 | High-Voltage Durable 240-Channel Common Driver for Dot-Matrix STN LCD | Hitachi Semiconductor |
| HD66137T | High-Voltage Durable 240-Channel Common Driver for Dot-Matrix STN LCD | Hitachi Semiconductor |
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