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PDF LDS285 Data sheet ( Hoja de datos )
| Número de pieza | LDS285 | |
| Descripción | Display Module | |
| Fabricantes | LEADIS Technology | |
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LDS285
Data Sheet
720 Source (240 x RGB) + 320 Gate
16M-Color One-Chip TFT Driver
Feb. 27, 2007
PRELIMINARY
Datasheet pdf - http://www.DataSheet4U.net/
1 page  
www.DataSheet.co.kr
LDS285 240 (RGB) x 320 16M-Color TFT Driver
Version 2.00
7.3 INSTRUCTION SETUP FLOW ................................................................................................................161
7.3.1
7.3.2
7.3.3
7.3.4
Initializing with the Built-in Power Supply Circuits (TBD) .............................................................................. 161
Power OFF Sequence (TBD)......................................................................................................................... 162
EEPROM Access Sequence for Initialization (Data Clear) ........................................................................... 163
EEPROM Access Sequence for program (Data write) (TBD)....................................................................... 164
8 SPECIFICATIONS
165
8.1 ABSOLUTE MAXIMUM RATINGS ..........................................................................................................165
8.2 ESD PROTECTION LEVEL .....................................................................................................................165
8.3 LATCH-UP PROTECTION LEVEL ..........................................................................................................165
8.4 LIGHT SENSITIVITY................................................................................................................................165
8.5 MAXIMUM SERIES RESISTANCE .........................................................................................................166
8.6 DC CHARACTERISTICS .........................................................................................................................167
8.6.1 Basic Characteristics ..................................................................................................................................... 167
8.6.2 Current Consumption..................................................................................................................................... 169
8.7 AC CHARACTERISTICS(TBD)................................................................................................................170
8.7.1
8.7.2
8.7.3
8.7.4
8.7.5
8.7.6
8.7.7
Parallel Interface Characteristics (8080-series MPU) ................................................................................... 170
Parallel Interface Characteristics (6800-series MPU) ................................................................................... 172
Serial Interface Characteristics (3-Pin Serial) ............................................................................................... 174
Serial Interface Characteristics (4-Pin Serial) ............................................................................................... 175
RGB Interface Characteristics ....................................................................................................................... 177
Reset Input Timing......................................................................................................................................... 178
Measurement Conditions............................................................................................................................... 179
9 REFERENCE APPLICATIONS
183
9.1 MICROPROCESSOR INTERFACE.........................................................................................................183
9.1.1 Interfacing with 3-Pin Serial Mode (P68 = "L", BS2=”L”, BS1 = "L", BS0 = "L") ........................................... 183
9.1.2 Interfacing with 4-Pin Serial Mode (P68 = "H", BS2=”L”, BS1 = "L", BS0 = "L")........................................... 183
9.1.3 Interfacing with 8080-series MPU 8-Bit Bus (P68 = "L", BS2=”L”, BS1 = "L", BS0 = "H")............................ 184
9.1.4 Interfacing with 6800-series MPU 8-Bit Bus (P68 = "H", BS2=”L”, BS1 = "L", BS0 = "H") ........................... 184
9.1.5 Interfacing with 8080-series MPU 9-Bit Bus (P68 = "L", BS2=”H”, BS1 = "L", BS0 = "L")............................ 185
9.1.6 Interfacing with 6800-series MPU 9-Bit Bus (P68 = "H", BS2=”H”, BS1 = "L", BS0 = "L") ........................... 185
9.1.7 Interfacing with 8080-series MPU 16-Bit Bus (P68 = "L", BS2=”L”, BS1 = "H", BS0 = "H") ......................... 186
9.1.8 Interfacing with 6800-series MPU 16-Bit Bus (P68 = "H", BS2=”L”, BS1 = "H", BS0 = "H") ........................ 186
9.1.9 Interfacing with 8080-series MPU 18-Bit Bus (P68 = "L", BS2=”H”, BS1 = "H", BS0 = "L") ......................... 187
9.1.10 Interfacing with 6800-series MPU 18-Bit Bus (P68 = "H", BS2=”H”, BS1 = "H", BS0 = "L") ........................ 187
9.2 CONNECTIONS WITH LCD PANEL .......................................................................................................188
9.2.1 One Layer Connection for Gate output.......................................................................................................... 188
9.2.2 Two Layer Connection for Gate output.......................................................................................................... 189
9.3 EXAMPLE CONNECTION WITH PANEL (CASE11) ..............................................................................190
LEADIS Technology
CONFIDENTIAL
Datasheet pdf - http://www.DataSheet4U.net/
5 Page 
www.DataSheet.co.kr
LDS285 240 (RGB) x 320 16M-Color TFT Driver
Version 2.00
4 PIN DESCRIPTION
Table 4.1.1 Pin Description
Name
Type Description
Driver output pins
S1 to S720
O Source driver output pins.
G1 to G320
O
Power supply pins
PSEL
I
VDD1_IO
VDD1,
VDD1_R
VDD2,
VDD2_DC
VSS1,
VSS1_R,
VSS2
VSS2_DC
D_VDD1O
D_VSS1
ME_CMP
P
P
P
P
PO
PO
P
Gate driver output pins.
I/O power voltage level selection pin.
When PSEL=”VSS2”: I/O signal voltage should be less than 1.95V and in this case,
VDD1_IO and VDD1 should be connected together and external power for I/O
system should be supplied to those pins ( VDD1_IO and VDD1)
When PSEL=”VDD2”: I/O signal voltage should be larger than 1.95V and in this
case, VDD1_IO and VDD1 should not be connected together and external power for
I/O system should be supplied to VDD1_IO and VDD1 should have stabilization
capacitor (about 2.2uF) to VSS.
Power supply for I/O circuit system.
(Refer PSEL pin description)
Power supply for logic system.
(Refer PSEL pin description)
Power supply for analog system and boosting input voltage. 2.3V~3.3V supported.
All VDD2 and VDD2_DC pins must be externally connected.
System ground for logic and analog circuits.
All VSS1,VSS1_R and VSS2,VSS2_DC pins MUST be externally connected to
system ground.
Dummy VDD1_IO power output pin.
It can be used to fix some input pins to “H” level and must be left open if not used.
Dummy VSS1 power output pin.
It can be used to fix some input pins to “L” level and must be left open if not used.
MACRO EEPROM write - erase power.
When you write on internal EEPROM you must provide power through this pin and it
must be left open when you do not write on EEPROM.
LEADIS Technology
CONFIDENTIAL
5
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