SSD1327 Rev 1.7 P 3/66 Jun 2011 Solomon Systech
CONTENT
1 GENERAL DESCRIPTION ....................................................................................................7
2 FEATURES................................................................................................................................7
3 ORDERING INFORMATION ................................................................................................7
4 BLOCK DIAGRAM..................................................................................................................8
5 DIE PAD FLOORPLAN...........................................................................................................9
6 PIN DESCRIPTIONS.............................................................................................................12
7 FUNCTIONAL BLOCK DESCRIPTIONS..........................................................................15
7.1 MCU INTERFACE SELECTION...............................................................................................................................15
7.1.1 MCU Parallel 6800-series Interface......................................................................................................15
7.1.2 MCU Parallel 8080-series Interface......................................................................................................16
7.1.3 MCU Serial Interface (4-wire SPI)........................................................................................................17
7.1.4 MCU Serial Interface (3-wire SPI)........................................................................................................18
7.1.5 MCU I
2
C Interface.................................................................................................................................19
7.1.5.1 I
2
C-bus Write data..................................................................................................................20
7.1.5.2 Write mode for I
2
C..................................................................................................................20
7.2 SEGMENT DRIVERS/COMMON DRIVERS...............................................................................................................22
7.3 OSCILLATOR CIRCUIT AND DISPLAY TIME GENERATOR......................................................................................25
7.4 COMMAND DECODER AND COMMAND INTERFACE ..............................................................................................26
7.5 RESET CIRCUIT ....................................................................................................................................................26
7.6 SEG/COM DRIVING BLOCK................................................................................................................................26
7.7 GRAPHIC DISPLAY DATA RAM (GDDRAM)......................................................................................................27
7.8 GRAY SCALE DECODER .......................................................................................................................................30
7.9 POWER ON AND OFF SEQUENCE .........................................................................................................................31
7.10 V
DD
REGULATOR .................................................................................................................................................32
8 COMMAND TABLE ..............................................................................................................33
8.1 DATA READ / WRITE ...........................................................................................................................................38
9 COMMAND DESCRIPTIONS..............................................................................................39
9.1 FUNDAMENTAL COMMAND DESCRIPTION ............................................................................................................39
9.1.1 Set Column Address (15h)......................................................................................................................39
9.1.2 Set Row Address (75h) ...........................................................................................................................39
9.1.3 Set Contrast Current (81h).....................................................................................................................40
9.1.4 NOP (84h ~ 86h)....................................................................................................................................40
9.1.5 Set Re-map (A0h) ...................................................................................................................................40
9.1.6 Set Display Start Line (A1h)...................................................................................................................43
9.1.7 Set Display Offset (A2h).........................................................................................................................44
9.1.8 Set Display Mode (A4h ~ A7h)...............................................................................................................45
9.1.9 Set Multiplex Ratio (A8h).......................................................................................................................46
9.1.10 Function selection A (ABh).................................................................................................................46
9.1.11 Set Display ON/OFF (AEh / AFh) ......................................................................................................46
9.1.12 Set Phase Length (B1h).......................................................................................................................47
9.1.13 NOP (B2h) ..........................................................................................................................................47
9.1.14 Set Front Clock Divider / Oscillator Frequency (B3h).......................................................................47
9.1.15 Set GPIO (B5h)...................................................................................................................................47
9.1.16 Set Second Pre-charge period (B6h)...................................................................................................48
9.1.17 Set Gray Scale Table (B8h).................................................................................................................48
9.1.18 Select Default Linear Gray Scale Table (B9h)....................................................................................48
9.1.19 NOP (BBh)..........................................................................................................................................48
9.1.20 Set Pre-charge voltage (BCh).............................................................................................................48
9.1.21 Set V
COMH
Voltage (BEh).....................................................................................................................48
9.1.22 Function selection B (D5h).................................................................................................................49