Purchase LH155BA, In-stock LH155BA From SeekIC.
MFG:SHARP D/C:05+
Part Number: LH155BA
MFG: SHARP
D/C: 05+
Description: The LH155BA is an LCD driver with a built-in RAM suitable for driving medium/small scale dot-matrix LCD panels, and ...
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LH155BA
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DataSheet
General Description
LH155BA General Description
The LH155BA is an LCD driver with a built-in RAM suitable for driving medium/small scale dot-matrix LCD panels, and which is capable of being directly connected to the bus line of a microcomputer. The LH155BA stores in the RAM the 8-bit parallel or serial display data transferred from the microcomputer and generates LCD drive signals. Since the LH155BA features a bit-map type LCD driver that one bit of data in the display RAM corresponds to one dot in the LCD, there is a lot of freedom in displaying. The LH155BA has 128 segment outputs and 64 common outputs in a single chip, making it possible to create an LCD system with the fewest number of the chips. The LH155BA enables an LCD system for battery- operated, hand-carrying information equipment by securing lower power consumption and wider operating voltage range.
LH155BA Maximum Ratings
| PARAMETER |
SYMBO |
APPLICABLE PINS |
RATING |
UNIT |
NOTE |
| Supply voltage (1) |
VDD |
VDD |
-0.3 to +6.0 |
V |
1,2 |
| Supply voltage (2) |
VEE |
VEE |
-0.3 to +6.0 |
V | |
| Supply voltage (3) |
VOUT |
VOUT |
-0.3 to +15.0 |
V | |
| Supply voltage (4) |
VR |
VR |
-0.3 to +15.0 |
V | |
| Supply voltage (5) |
VO |
VO |
-0.3 to +15.0 |
V | |
| Supply voltage (6) |
V1,V2 V3,V4 |
V1,V2,V3,V4 |
-0.3 to V0 + 0.3 |
V | |
| Input voltage |
VI |
D7-D0, CSB, RS, M/S, M86, RDB, WRB, CK, CKS, OSCI, LP, FLM, M, SDA, SCL, P/S, RESB, EXA, PMODE, TEST |
-0.3 to VDD + 0.3 |
V | |
| Storage temperature |
TSTG |
-45 to +125 |
NOTES :
1. TA = +25
2. The maximum applicable voltage on any pin with respect to VSS (0 V).
LH155BA Features
`Graphic display output pin : 64 x 128 pins
`Segment display output pin : 3 x 12 pins
`Icon display output pin : 1 x 1 pin
`LCD display by graphic display RAM
- Normal mode : RAM data "0"/not lighted,
RAM data "1"/lighted
- Reverse mode: RAM data "1"/not lighted,
RAM data "0"/lighted
`Display RAM memory capacity
- 128 x 64 = 8 192 bits (For graphic display)
- 12 x 3 = 36 bits (For segment display)
- 1 x 1 = 1 bit (For icon display)
`General 8-bit MPU interface : Possible to directl connect 80-family and 68-family MPUs to bus line
`Possible to make serial interface
`Ratio of display duty cycle :
1/16, 1/32, 1/48 or 1/64 (selectable by command)
`128-bit automatic transfer from display RAM to display data latch
`Abundant command functions
- Display data read/write
- Setting up LCD alternating signal cycle
- Setting up display starting-line : per line
- Display ON/OFF
- Display control of normal and reverse modes
- Increment control of display RAM address
- Write control of read modifying
- Internal register read
- Power saving mode
`LCD drive power circuit
- Built-in booster circuit : Two, three or four time voltage boost is possible
- Built-in voltage converter : Generates LC drive voltages (V0, V1, V2, V3 and V4) base on the boosted voltage
- Built-in power bias ratio :
1/7 or 1/9 bia (selectable by command)
- Built-in electronic volume : Controllable in 1 steps
- Supply voltages
Logic system : +1.8 to +5.5 V
LCD drive system : +4.0 to +14.0 V
`Operating temperature : -30 to +85
`Package : 260-pin TCP (Tape Carrier Package)
`Segment display output pin : 3 x 12 pins
`Icon display output pin : 1 x 1 pin
`LCD display by graphic display RAM
- Normal mode : RAM data "0"/not lighted,
RAM data "1"/lighted
- Reverse mode: RAM data "1"/not lighted,
RAM data "0"/lighted
`Display RAM memory capacity
- 128 x 64 = 8 192 bits (For graphic display)
- 12 x 3 = 36 bits (For segment display)
- 1 x 1 = 1 bit (For icon display)
`General 8-bit MPU interface : Possible to directl connect 80-family and 68-family MPUs to bus line
`Possible to make serial interface
`Ratio of display duty cycle :
1/16, 1/32, 1/48 or 1/64 (selectable by command)
`128-bit automatic transfer from display RAM to display data latch
`Abundant command functions
- Display data read/write
- Setting up LCD alternating signal cycle
- Setting up display starting-line : per line
- Display ON/OFF
- Display control of normal and reverse modes
- Increment control of display RAM address
- Write control of read modifying
- Internal register read
- Power saving mode
`LCD drive power circuit
- Built-in booster circuit : Two, three or four time voltage boost is possible
- Built-in voltage converter : Generates LC drive voltages (V0, V1, V2, V3 and V4) base on the boosted voltage
- Built-in power bias ratio :
1/7 or 1/9 bia (selectable by command)
- Built-in electronic volume : Controllable in 1 steps
- Supply voltages
Logic system : +1.8 to +5.5 V
LCD drive system : +4.0 to +14.0 V
`Operating temperature : -30 to +85
`Package : 260-pin TCP (Tape Carrier Package)
LH155BA Connection Diagram
LH155BA
PDF/DataSheet Download
- Datasheet: LH155BA
- File Size: 294912 KB
- Manufacturer: SHARP [Sharp Electrionic Components]
- Click here to Download
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