RL020P1015-14A

Pin No.

Symbol

I/O

Description

Note

1~2

GND

P

Power ground pin.

3

VCC

P

2.85V Power supply to interface pins

4

IOVCC

P

1.8V Power supply to interface pins

5

P8B/SPI

I

IM0=’1’: 4 Line SPI.

IM0=’0’: 8-bit Data bus.

6

GND

P

Power ground pin.

7

Reset

I

Reset pin. Initializes the LCM when low.

8

CS

I

Chip select pin. Active: low

9

RS(SCL)

I

-Display data/command selection pin in parallel interface.

Low : Index / status; High : Control

-This pin is used to be serial interface clock

10

WR(RS)

I

-Write enable in MCU parallel interface. - Display data/command selection pin in 4-line serial interface.

11

RD

I

-Read enable in 8080 MCU parallel interface.

-If not used, please fix this pin at VDDI or DGND.

12

SDA

I/O

SPI interface input/output pin.

-The data is latched on the rising edge of the SCL signal.

-If not used, please fix this pin at VDDI or DGND level.

13~20

D0~D7

I

-D[7:0] are used as 8-bit I/F MCU parallel interface data bus.

-If not used, please fix this pin at VDD or GND.

21

TE

O

Tearing effect output. If not used, please open this pin

22

GND

P

Power ground pin.

23

VLED+

P

Backlight LED Anode

24

VLED-

P

Backlight LED Cathode