HL14203

HL14203 HL14203 LCD Driver IC Preliminary 2Q. 1999 Hyundai Electronics Industries System IC Division 1 Preliminary HL14203 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 HL14203 1. General Description The HL14203 is 1/3 duty LCD display driver. It can drive directly maximum 126 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 ..................................... 42 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 ............................................... 64QFP Package Dimensions 64QFP (14×14) 17.2 64QFP (10×10) 12.0 0.15 48 49 10.0 32 33 (1.6) 14.0 1.0 48 49 1.0 0.8 33 32 (1.6) 1.0 0.15 17.2 14.0 0.8 12.0 10.0 64 1 1.0...