
S1D15722D01B000 Technical Manual (Rev.1.1) EPSON i
Table of Contents
1. DESCRIPTION ................................................................................................................1
2. FEATURES......................................................................................................................2
3. BLOCK DIAGRAM..........................................................................................................3
4. PIN ASSIGNMENT..........................................................................................................4
4.1 Chip Assignment ..........................................................................................................................4
4.2 Alignment mark.............................................................................................................................4
4.3 Pad Center Coordinates...............................................................................................................5
5. PIN DESCRIPTION .........................................................................................................9
5.1 Power Supply Pin..........................................................................................................................9
5.2 System Bus Connection Pins....................................................................................................10
5.3 Display Timing Signal Pins........................................................................................................11
5.4 Liquid Crystal Drive Pins............................................................................................................12
5.5 Temperature Sensor Pins...........................................................................................................12
5.6 Test Pins......................................................................................................................................12
6. FUNCTIONAL DESCRIPTION......................................................................................13
6.1 MPU Interface..............................................................................................................................13
6.1.1 Selecting Interface Type.........................................................................................................13
6.1.2 Parallel interface.....................................................................................................................13
6.1.3 Serial Interface .......................................................................................................................13
6.1.4 Chip Select.............................................................................................................................14
6.1.5 Accessing Display Data RAM and Internal Register...............................................................14
6.2 Display Data RAM .......................................................................................................................16
6.2.1 Display Data RAM..................................................................................................................16
6.2.2 Gray Scale Display.................................................................................................................17
6.2.3 Page Address Circuit/Column Address Circuit........................................................................17
6.2.4 Line Address Circuit................................................................................................................17
6.2.5 I/O Buffer Circuit.....................................................................................................................18
6.2.6 Display Data Latch Circuit ......................................................................................................18
6.3 Oscillation Circuit.......................................................................................................................21
6.4 Display Timing Signal Generator...............................................................................................21
6.5 Operating State Detector Circuit................................................................................................21
6.6 Liquid Crystal Drive Circuit........................................................................................................22
6.6.1 Segment Driver.......................................................................................................................22
6.6.2 Common Driver ......................................................................................................................22
6.7 Temperature Sensor Circuit.......................................................................................................24
6.7.1 Analog Voltage Output............................................................................................................24
6.7.2 Precautions ............................................................................................................................25
6.8 Reset Circuit................................................................................................................................27
7. COMMAND....................................................................................................................28
7.1 Command Description................................................................................................................28
7.2 Command Table..........................................................................................................................44
7.3 Example of Setting Instructions (Reference Example)............................................................46
8. ABSOLUTE MAXIMUM RATINGS................................................................................51