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參數(shù)資料
| 型號(hào)： | HD66787 |
| 廠商： | Renesas Technology Corp. |
| 英文描述： | 528-channel, One-chip Driver with 262,144-color Display RAM and Power Supply Circuit for Low-temperature Poli-Si TFT (LTPS-TFT) Panels with Incorporat |
| 中文描述： | 528與262,144色顯示RAM和低電源電路通道，單芯片驅(qū)動(dòng)器的溫度和旋鈴聲非晶硅TFT（薄膜晶體管）與Incorporat小組 |
| 文件頁(yè)數(shù)： | 12/159頁(yè) |
| 文件大?。?/td> | 1607K |
| 代理商： | HD66787 |
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HD66787
Preliminary
Rev.0.22, May.23.2003, page 12 of 159
Signals
Number
of Pins
I/O
Connected
to
Functions
C12+, C12-
C21+, C21-
C22+, C22-
6
-
Step-up
capacitor
Step-up capacitor connection pins for step-up circuit 2.
Capacitor connection will be necessary depending on the step-
up scale. When the internal step-up circuit is not used, leave
open.
OSC1, OSC2
2
I or O
Resistor for
the
oscillator
Connect to an external resistor for R-C oscillation. When
supplying clock signals externally, it must be supplied through
OSC1 and leave OSC2 open.
FLM
1
O
MPU or
open
Frame head pulse with amplitude between GND and Vcc.
Use when writing data to RAM in synchronization with FLM.
When FLM is not used, leave open.
Vci
1
I
Power
supply
Power supply for analogue circuits.
In this case, power supply for the VciOUT amplifier. Connect
to an external power supply of 2.5~3.3V.
VciLVL
1
I
Power
supply
Generates a reference voltage (VciOUT, REGP) in accordance
to the ratio set with VC2~0 registers.
Connect to the same power supply as the Vci, which has
separate wiring from the VciLVL on the FPC.
REGP
1
I/O
Test pin
Test pin for VREG1OUT. Leave open.
VciOUT
1
I
Stabilizing
capacitor,
Vci1
Internal reference voltage with amplitude between Vci and
GND. Set with VC bit.
Vci1
1
I
VciOUT
A reference voltage for the step-up circuit 1.
Connect to an external power supply of 2.75V or less when the
internal reference voltage is not used.
VLOUT1
1
O
Stabilizing
capacitor,
DDVDH
Output twice stepped-up Vci1 voltage from the step-up circuit
1. Connect to a stabilizing capacitor. VLOUT1 = 4.0~5.5V
DDVDH
1
I
VLOUT1
Power supply for source driver liquid crystal output portion. A
reference voltage for the step-up circuit 2.
VLOUT2
1
O
Stabilizing
capacitor,
VGH
Output stepped-up DDVDH voltage, which is stepped up to the
level Vci1 x 4~6 from the step-up circuit 2. The step-up scale
is determined with BT bits. Connect to a stabilizing capacitor.
VLOUT2 = max 16.5V
VGH
1
I
VLOUT2
Power supply for TFT gate drive. Connect to VLOUT2.
VLOUT3
1
O
Stabilizing
capacitor,
VGL
Output stepped-up DDVDH voltage, which is stepped up to the
level Vci1 x (- 3) ~ (-5) from the step-up circuit 2. The step-up
scale is determined with BT bits. Connect to a stabilizing
capacitor. VLOUT2 = min -16.5V
VGL
1
I
VLOUT3
A power supply for TFT gate drive. Connect to VLOUT3.
VLOUT4
1
O
Stabilizing
capacitor,
VCL
Output the Vci1 x (-1) voltage from the step-up circuit 2.
Connect to a stabilizing capacitor. VLOUT4 = 0 ~ -3.3V
VCL
1
I
VLOUT4
Power supply for VcomL drive. Connect to VLOUT4.
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PDF描述 |
|---|---|
| HD66840 | Peripheral IC |
| HD66840F25 | LCD Controller |
| HD66840F30 | LCD Controller |
| HD66841FP | LCD Controller |
| HD66841FS | LCD Controller |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HD66789 | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:528-channel, One-chip Driver for Amorphous TFT Panels with 262,144-color display RAM, Power Supply Circuit, and Gate Circuit |
| HD667A66R | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:132 x 176-dot Graphics LCD Controller/Driver for 65K Colors |
| HD667B66R | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:132 x 176-dot Graphics LCD Controller/Driver for 65K Colors |
| HD66840 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Peripheral IC |
| HD66840F25 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LCD Controller |
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