1.General Description
RSE0420N02-A0 is an Active Matrix Electrophoretic Display (AMEPD), with interface and a reference system
design. The4.2” active area contains400×300 pixels, and has 1-bit B/W/R full display capabilities. An integrated circuit
contains gate buffer, source buffer, interface, timing control logic, oscillator, DC-DC, SRAM, LUT, VCOM and
border are supplied with each panel.
2 Features
400×300 pixels display
High contrast
High reflectance
Ultra wide viewing angle
Ultra low power consumption
Pure reflective mode
Bi-stable display
Commercial temperature range
Landscape, portrait modes
Hard-coat antiglare display surface
Ultra Low current deep sleep mode
On chip display RAM
Low voltage detect for supply voltage
High voltage ready detect for driving voltage
Internal temperature sensor
10-byte OTP space for module identification
Serial peripheral interface available
On-chip oscillator
On-chip booster and regulator control for generating VCOM, Gate and Source driving voltage
I2C signal master interface to read external temperature sensor/ built-in temperature sensor
3. Application
Electronic ShelfLabel System
| Pin# | Single | Description | Remark |
| 1 | NC | No connectionand do not connect with otherNC pins NC | Keep Open |
| 2 | GDR | N-Channel MOSFET Gate Drive Control | |
| 3 | RESE | Current Sense Input forthe Control Loop | |
| 4 | NC | No connectionand do not connect with otherNCpins | Keep Open |
| 5 | VSH2 | Positive Source driving voltage | |
| 6 | TSCL | 12C Interface to digital temperature sensor Clock pin | |
| 7 | TSDA | I2C Interface to digital temperature sensorDate pin | |
| 8 | BS1 | Bus selection pin | Note 6-5 |
| 9 | BUSY | Busy state outputpin | Note 6-4 |
| 10 | RES # | Reset | Note 6-3 |
| 11 | D/C# | Data/Command control pin | Note 6-2 |
| 12 | CS# | Chip Selectinput pin | Note 6-1 |
| 13 | SCL | serial clock pin(SPI) | |
| 14 | SDA | serial data pin(SPD) | |
| 15 | VDDIO | Power for interface logic pins | |
| 16 | VCI | Power Supply pin forthe chip | |
| 17 | VSS | Ground | |
| 18 | VDD | Core logic power pin | |
| 19 | VPP | Power Supply for OTPProgramming | |
| 20 | VSHI | Positive Souroe driving voltage | |
| 21 | VGH | Power Supply pin for Positive Gate driving voltage and VSH | |
| 22 | VSL | Negative Source driving voltage | |
| 23 | VGL | Power Supply pin for Negative Gate driving voltage, VCOM and VSL | |
| 24 | VCOM | VCOM drivingvoltage | |



