所罗门电子纸显示驱动芯片SSD1681的技术参数与应用说明资源-CSDN文库

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SOLOMON SYSTECH

SEMICONDUCTOR TECHNICAL DATA

This document contains information on a new product. Specifications and information herein are subject to change

without notice.

http://www.solomon-systech.com

SSD1681

Rev 1.1

P 1/43

Apr 2021

SSD1681

Advance Information

200 Source x 200 Gate Red/Black/White

Active Matrix EPD Display Driver with Controller

SSD1681

Rev 1.1

P 3/43

Apr 2021

Solomon Systech

CONTENTS

1 GENERAL DESCRIPTION ....................................................................................................... 5

2 FEATURES ............................................................................................................................... 5

3 ORDERING INFORMATION..................................................................................................... 6

4 BLOCK DIAGRAM ................................................................................................................... 7

5 PIN DESCRIPTION ................................................................................................................... 8

6 FUNCTIONAL BLOCK DESCRIPTION .................................................................................. 11

6.1 MCU INTERFACE ........................................................................................................................... 11

6.1.1 MCU INTERFACE SELECTION.......................................................................................................... 11

6.1.2 MCU SERIAL INTERFACE (4-WIRE SPI) ........................................................................................... 11

6.1.3 MCU SERIAL PERIPHERAL INTERFACE (3-WIRE SPI) ....................................................................... 12

6.2 OSCILLATOR .............................................................................................................................. 13

6.3 BOOSTER & REGULATOR ......................................................................................................... 13

6.4 VCOM SENSING ......................................................................................................................... 13

6.5 RAM ............................................................................................................................................ 14

6.6 PROGRAMMABLE WAVEFORM FOR GATE, SOURCE AND VCOM ........................................................ 14

6.7 WAVEFORM SETTING ............................................................................................................... 16

6.8 TEMPERATURE SEARCHING............................................................................................................ 17

6.8.1 INTERNAL TEMPERATURE SENSOR ................................................................................................. 17

6.8.2 EXTERNAL TEMPERATURE SENSOR I2C SINGLE MASTER INTERFACE ............................................... 17

6.8.3 FORMAT OF TEMPERATURE VALUE .................................................................................................. 17

6.9 WAVEFORM SETTING SEARCHING MECHANISM ................................................................................ 18

6.10 ONE TIME PROGRAMMABLE (OTP) MEMORY ................................................................................... 19

6.11 THE FORMAT FOR TEMPERATURE RANGE (TR) ............................................................................... 19

6.12 VCI DETECTION ............................................................................................................................ 20

6.13 HV READY DETECTION .................................................................................................................. 20

7 COMMAND TABLE ................................................................................................................ 21

8 OPERATION FLOW AND CODE SEQUENCE ...................................................................... 35

8.1 GENERAL OPERATION FLOW TO DRIVE DISPLAY PANEL ..................................................................... 35

9 ABSOLUTE MAXIMUM RATING ........................................................................................... 36

10 ELECTRICAL CHARACTERISTICS ................................................................................... 36

11 AC CHARACTERISTICS .................................................................................................... 38

11.1 SERIAL PERIPHERAL INTERFACE ..................................................................................................... 38

12 APPLICATION CIRCUIT ..................................................................................................... 39

13 PACKAGE INFORMATION ................................................................................................ 40

13.1 DIE TRAY DIMENSIONS FOR SSD1681Z AND SSD1681Z2............................................................... 40

13.2 DIE TRAY DIMENSIONS FOR SSD1681Z8 AND SSD1681ZA ............................................................ 41

13.3 DIE TRAY DIMENSIONS FOR SSD1681Z0 AND SSD1681ZB ............................................................ 42

SSD1681

Rev 1.1

P 4/43

Apr 2021

Solomon Systech

TABLES

TABLE 3-1 : ORDERING INFORMATION .............................................................................................................. 6

TABLE 5-1: POWER SUPPLY PINS .................................................................................................................... 8

TABLE 5-2: INTERFACE LOGIC PINS .................................................................................................................. 9

TABLE 5-3: ANALOG PINS .............................................................................................................................. 10

TABLE 5-4: DRIVER OUTPUT PINS .................................................................................................................. 10

TABLE 5-5: MISCELLANEOUS PINS ................................................................................................................. 10

TABLE 6-1 : INTERFACE PINS ASSIGNMENT UNDER DIFFERENT MCU INTERFACE ............................................... 11

TABLE 6-2 : CONTROL PINS STATUS OF 4-WIRE SPI ........................................................................................ 11

TABLE 6-3 : CONTROL PINS STATUS OF 3-WIRE SPI ........................................................................................ 12

TABLE 6-4 : RAM BIT AND LUT MAPPING FOR 3-COLOR DISPLAY ...................................................................... 14

TABLE 6-5 : RAM BIT AND LUT MAPPING FOR BLACK/WHITE DISPLAY ............................................................... 14

TABLE 6-6 : VS[NX-LUTM] SETTINGS FOR SOURCE VOLTAGE AND VCOM VOLTAGE ......................................... 15

TABLE 6-7 : EXAMPLE OF 12-BIT BINARY TEMPERATURE SETTINGS FOR TEMPERATURE RANGES ........................ 17

TABLE 6-8 : EXAMPLE OF WAVEFORM SETTINGS SELECTION BASED ON TEMPERATURE RANGES. ........................ 18

TABLE 7-1: COMMAND TABLE ........................................................................................................................ 21

TABLE 9-1 : MAXIMUM RATINGS ..................................................................................................................... 36

TABLE 10-1: DC CHARACTERISTICS ............................................................................................................... 36

TABLE 10-2: REGULATORS CHARACTERISTICS ............................................................................................... 37

TABLE 11-1 : SERIAL PERIPHERAL INTERFACE TIMING CHARACTERISTICS ........................................................ 38

TABLE 12-1: COMPONENT LIST FOR SSD1681 APPLICATION CIRCUIT ............................................................... 39

FIGURES

FIGURE 4-1 : SSD1681 BLOCK DIAGRAM ................................................................................................................................. 7

FIGURE 6-1 : WRITE PROCEDURE IN 4-WIRE SPI MODE ....................................................................................................... 11

FIGURE 6-2 : READ PROCEDURE IN 4-WIRE SPI MODE ......................................................................................................... 12

FIGURE 6-3 : WRITE PROCEDURE IN 3-WIRE SPI ................................................................................................................... 12

FIGURE 6-4 : READ PROCEDURE IN 3-WIRE SPI MODE ......................................................................................................... 13

FIGURE 6-5 : GATE WAVEFORM AND PROGRAMMABLE SOURCE AND VCOM WAVEFORM ILLUSTRATION ................. 14

FIGURE 6-6 : WAVEFORM SETTING MAPPING .......................................................................................................................... 16

FIGURE 6-7 : THE WAVEFORM SETTING MAPPING IN OTP FOR WAVEFORM SETTING AND TEMPERATURE RANGE .. 19

FIGURE 6-8 : FORMAT OF TEMPERATURE RANGE (TR) IN OTP ......................................................................................... 19

FIGURE 8-1: OPERATION FLOW TO DRIVE DISPLAY PANEL ................................................................................................... 35

FIGURE 11-1: SPI TIMING DIAGRAM .......................................................................................................................................... 38

FIGURE 12-1: SCHEMATIC OF SSD1681 APPLICATION CIRCUIT ......................................................................................... 39

FIGURE 13-1 : SSD1681Z AND SSD1681Z2 DIE TRAY INFORMATION (UNIT: MM) ......................................................... 40

FIGURE 13-2 : SSD1681Z8 AND SSD1681ZA DIE TRAY INFORMATION (UNIT: MM) ...................................................... 41

FIGURE 13-3 : SSD1681Z0 AND SSD1681ZB DIE TRAY INFORMATION (UNIT: MM) ...................................................... 42

SSD1681

Rev 1.1

P 5/43

Apr 2021

Solomon Systech

1 GENERAL DESCRIPTION

SSD1681 is an Active Matrix EPD display driver with controller for Red/Black/White EPD displays.

It consists of 200 source outputs, 200 gate outputs, 1 VCOM and 1VBD (for border), which can support displays

with resolution up to 200x200.

In the SSD1681, data and commands are sent from MCU through hardware selectable serial peripheral interface.

It has embedded booster, regulator and oscillator which is suitable for EPD display applications.

2 FEATURES

 Design for dot matrix type active matrix EPD display, support Red/Black/White color

 Resolution: 200 source outputs, 200 gate outputs, 1 VCOM and 1VBD (for border)

 Power supply:

 VCI: 2.2 to 3.7V

 VDDIO: Connect to VCI

 VDD: 1.8V, regulate from VCI supply

 On chip display RAM

 Mono B/W: 200x200 bits

 Mono Red: 200x200 bits

 On-chip booster and regulator for generating VCOM, Gate and Source driving voltage

 Gate driving output voltage: 2-level outputs (VGH, VGL), Max 40Vp-p

 VGH: 10V to 20V (Voltage adjustment step: 500mV)

 VGL: -VGH (Voltage adjustment step: 500mV)

 Source / VBD driving output voltage: 4-levels outputs (VSH1, VSH2, VSS and VSL)

 VSH1/VSH2: 2.4V to 17V (Voltage adjustment step: 100mV for 2.4V to 8.8V, 200mV for 8.8V to

17V)

 VSL: -5V to -17V (Voltage adjustment step: 500mV)

 VCOM output voltage

 DCVCOM: -3V to -0.2V in 100mV resolution

 ACVCOM: 3-level outputs (VSH1+DCVCOM, DCVCOM, VSL+DCVCOM)

 On-chip oscillator, adjustable frame rate from 25Hz to 200Hz

 Programmable output Waveform Settings:

 Individual setting of 5 LUT [LUT0~4]

- VS: 2-bit per 4 phases

 Common setting of 5 LUT

- 48 phases (4 phases/group, 12 groups with repeat and state repeat function)

- TP: Max. 255 frame/phase

- RP: 1 to 256 times for repeat count

- SR: 1 to 256 times for state repeat count; state repeat count for phase A,B and 1 state

repeat count for phase C,D

- FR: Selective Frame Rate for each group

 Embedded OTP to store the waveform settings and parameters:

 36 sets of Waveform Settings (WS) including

- waveform look up table (LUT),

- Gate/Source voltage, VCOM value

- Option for LUT end

 36 sets of Temperature Range (TR)

 Display mode selection

 4-byte waveform version

 10-byte User ID

 Embedded OTP to store the init code setting

 VCI low voltage detection

 Internal Temperature Sensor of +/-2degC accuracy from -25degC to 50degC

 I2C single master interface to communicate with external temperature sensor

 MCU interface: 4-wire or 3-wire Serial peripheral interface (maximum SPI write speed 20MHz)

 Available in COG package

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