HL15703 Datasheet | SK Hynix

LCD Driver IC Preliminary 2Q. 1999 Hyundai Electronics Industries System IC Division Preliminary Contents 1. General Description 2. Features 3. Block Diagram 4. Pin Diagram 5. Pin Description 6. Serial I/O Data Format 7. Registers 8. Key Scan Function 9. LCD Function 10. Power On Reset 11. Power Down Mode 12. Oscillator Port 13. Electrical Characteristics 14. Application Preliminary 1. General Description The HL15703 is 1/3 duty LCD display driver. It can drive directly maximum 171 segments. Also it has four general purpose output ports and a key scan function that accepts input from up to 30 keys. 2. Features - LCD display ..................................... 57 segments x 3 mons 1/3 duty - 1/2 bias 1/3 duty - 1/3 bias Key scan ............................................ Maximum 30 keys Input 5 pins, Output 6 pins Power down mode ............................. Sleep mode and all segments off mode Port Output .................................................. 4 pins ( Including the LCD segment port ) Serial I/O .............................................. Data transfer and receive Power on reset ..................................... Supply voltage detection ( SVD ) RC oscillator Package ............................................... 80QFP Package Dimensions 80QFP 23.2 0.5 1.0 0.35 64 65 41 40 0.15 - - - - - - - 17.2 80 1 1.5 20.0 25 24 2.70 0.5 0.1 Unit : mm 3.0 max Preliminary 80QFP 14.0 12.0 1.25 0.20 60 61 1.25 0.5 1.25 41 0.135 12.0 1.25 0.5 80 1 21 20 1.4 0.5 0.5 0.1 Unit : mm KS2 / SEG57 KS1 / SEG56 SEG55 3. Block...