HL15703

HL15703 HL15703 LCD Driver IC Preliminary 2Q. 1999 Hyundai Electronics Industries System IC Division 1 Preliminary HL15703 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 2 Preliminary HL15703 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 commons 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 14.0 1.0 80 1 1.5 20.0 25 24 2.70 0.5 0.1 Unit : mm 3.0 max 21.6 15.5 3 Preliminary HL15703 80Q...