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부품번호 | UPD160032A 기능 |
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기능 | 480-OUTPUT TFT-LCD SOURCE DRIVER | ||
제조업체 | Renesas | ||
로고 | |||
DATA SHEET
MOS INTEGRATED CIRCUIT
μPD160032A
480-OUTPUT TFT-LCD SOURCE DRIVER
(COMPATIBLE WITH 256 GRAY SCALES, mini-LVDS INTERFACE SUPPORTED)
DESCRIPTION
The μ PD160032A is a source driver for TFT-LCD’s that supports the display of 256 gray scales and employs mini-LVDS
interface. Which can realize a full-color display of 16,777,216 colors by output of 256 values γ -corrected by an internal
D/A converter and 10-by-2 external power modules. Because the output dynamic range is as large as VSS2 + 0.2 V to
VDD2 − 0.2 V, level inversion operation of the LCD’s common electrode is rendered unnecessary. Also, to be able to deal
with dot-line inversion, n-line inversion, this source driver is equipped with a built-in 8-bit D/A converter circuit whose odd
output pins and even output pins respectively output gray scale voltages of differing polarity. Because of the
<R> incorporation of mini-LVDS interface, the data transfer speed has improved and the amount of wiring on the PWB (Print
Wired Board) has been significantly reduced.
FEATURES
• Differential interface: CLK (1 pair), gray scale data (6 pair)
• CMOS interface: STHR(L), R,/L, STB, SB, POL, Vsel1, Vsel2, SRC, ORC, RxBIAS, H_2DOT, MODE1, MODE2
• 480 outputs
• Capable of outputting 256 values by means of 10-by-2 external power modules (20 units) and a D/A converter
• Logic power supply voltage (VDD1): 2.7 to 3.6 V
• Driver power supply voltage (VDD2): 10.0 to 16.5 V
• High-speed data transfer: fCLK = 172 MHz MAX. (Internal data transfer speed when operating at VDD1 = 2.7 V)
• Output dynamic range: VSS2 + 0.2 V to VDD2 − 0.2 V
• Apply for dot-line inversion, n-line inversion
• Output voltage polarity inversion function (POL)
ORDERING INFORMATION
Part Number
μPD160032AN-xxx
μPD160032ANL-xxx
Package
TCP (TAB package)
COF (COF package)
Remark The TCP’s/COF’s external shape are customized. To order the required shape, please contact one of our
sales representatives.
The information in this document is subject to change without notice. Before using this document, please
confirm that this is the latest version.
Not all products and/or types are available in every country. Please check with an NEC Electronics
sales representative for availability and additional information.
Document No. S16815EJ1V0DS00 (1st edition)
Date Published February 2006 NS CP(K)
The mark <R> shows major revised points.
Printed in Japan
The revised points can be easily searched by copying an "<R>" in the PDF file and specifying it in the "Find what:" field.
2003
μPD160032A
<R> 4. PIN FUNCTIONS
(1/2)
Pin Symbol
Pin Name
I/O
Description
S1 to S480 Driver
Output The D/A converted 256-gray-scale analog voltage is output.
D0A, D0B
D1A, D1B
Gray scale data
Input Input pin with gray-scale data.
(mini-LVDS) As for relation with SB signal, refer to Table 4−1.
D2A, D2B
D3A, D3B
D4A, D4B
D5A, D5B
CLKA,
CLKB
Shift clock
Input Shift clock input.
(mini-LVDS)
R,/L Shift direction
Input The shift direction control pin of shift register. The shift directions of the shift
control
(CMOS) registers are as follows.
R,/L = H (right shift): STHR input, S1→S480, STHL output
R,/L = L (left shift): STHL input, S480→S1, STHR output
STHR
STHL
Right shift start
pulse
Left shift start pulse
I/O
(CMOS)
This is the start pulse I/O pin when connected in cascade. Loading of display data
starts when a high level is read.
For right shift, STHR is input and STHL is output.
For left shift, STHL is input and STHR is output.
For details of the timing, refer to 6. FUNCTION DESCRIPTION.
STB Latch
Input Change the input mode, latched the registered data and transfer to DAC at the
(CMOS) rising edge. And supplied voltage to LCD pixel is output at falling edge.
POL
Polarity
Input Control the polarity of the driver output.
(CMOS) Refer to Table 4−3.
SB
Bus-line set-back
Input Change the input data order of mini-LVDS.
(CMOS) Refer to Table 4−1.
RxBIAS
mini-LVDS receiver
bias voltage control
Input
(CMOS)
This pin controls the bias current of mini-LVDS receiver circuit.
RxBIAS = H: Normal power
RxBIAS = L: Low power
SRC
Slew-rate control
Input
(CMOS)
SRC = H: High-slew-rate mode
Internal analog current becomes higher during STB = H period.
SRC = L: Normal-slew-rate mode
ORC
Output resistance
control
Input
(CMOS)
ORC = H: Low output resistance mode
ORC = L: High output resistance mode
MODE1,
MODE2
Output reset control
Input
(CMOS)
This pin controls the output reset function, in other words charge sharing.
MODE1 MODE2
Output Reset
L L Output reset invalid
L H Setting prohibited
H L Output reset only after POL changed in STB input
H H Output reset, every STB input
A setup of MODE1 = L and MODE2 = H is setting prohibited (μPD160032A
becomes a test mode and does not perform normal specification operation).
Fore more details, refer to 8. OUTPUT RESET FUNCTION (MODE).
4 Data Sheet S16815EJ1V0DS
4페이지 μPD160032A
5. RELATIONSHIP BETWEEN INPUT DATA AND OUTPUT VOLTAGE VALUE
μ PD160032A incorporates 8-bit D/A converter whose odd output pins and even output pins output respectively gray scale
voltages of differing polarity with respect to the LCD’s counter electrode (common electrode) voltage. The D/A converter
consists of ladder resistors and switches.
Figure 5−1 shows the relationship between the driving voltages such as liquid-crystal driving voltages VDD2, VSS2 and
common electrode potential VCOM, and γ -corrected voltages V0 to V19 and the input data. Be sure to maintain the voltage
relationships of below.
VDD2 – 0.2 V ≥ V0 > V1 > V2 > V3 > V4 > V5 > V6 > V7 > V8 > V9 ≥ 0.5 VDD2
0.5 VDD2 ≥ V10 > V11 > V12 > V13 > V14 > V15 > V16 > V17 > V18 > V19 ≥ VSS2 + 0.2 V
Figures 5−2 and 5−3 show the relationship between the input data and the output data.
Figure 5−1. Relationship between Input Data and γ -corrected Power Supplies
0.2 V
VDD2
V0
V1
V2
V3
V4
V5
V6
V7
V8
V9
0.5 VDD2
V10
V11
V12
0.2 V
V13
V14
V15
V16
V17
V18
V19
VSS2
00 01 0F 1F
3F
7F
Input data (HEX.)
1
30
32
64
64
32
16
14
1
Split interval
1
14
16
32
64
64
32
30
1
BF DF FE FF
Data Sheet S16815EJ1V0DS
7
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부품번호 | 상세설명 및 기능 | 제조사 |
UPD160032A | 480-OUTPUT TFT-LCD SOURCE DRIVER | Renesas |
DataSheet.kr | 2020 | 연락처 | 링크모음 | 검색 | 사이트맵 |