Displaytech Ltd

LCD MODULE

INT043BTFT / INT043BTFT-TS

Version: 2.1

7

6. Interface Description

Pin no

Symbol

I/O

Description

1

GND

---

Power ground 0V

2

VDDIO

---

Power supply for digital I/O pads

3

VDDD

---

Power supply for internal digital circuit

4

VDDLCD

---

Power supply for LCD interface related pads

5

GND

---

Power ground 0V

6

TP_AUX

I

Auxiliary Input: Analog input that used to monitor external conditions such as

battery voltage or temperature. (INT043BTFT-TS only: for MAX11802)

7

TP_TIRQ

O

Active-Low Touch Interrupt Output: Active-low interrupt, indicating that a touch is

present (CINT) or has been initiated (EINT) in DCM, or that new data is available

in the FIFO in ACM. (INT043BTFT-TS only: for MAX11802)

8

TP_DIN

I

SPI Serial Data Input. (INT043BTFT-TS only: for MAX11802)

9

TP_CLK

I

SPI Serial Data Clock Input. (INT043BTFT-TS only: for MAX11802)

10

TP_DOUT

I

SPI Data Output. (INT043BTFT-TS only: for MAX11802)

11

TP_CS

I

SPI Chip-Select Input. (INT043BTFT-TS only: for MAX11802)

12

GND

---

Power ground 0V

13

/CS

I

Chip select (for Controller SSD1961)

14

/RS

I

Data/Command select

15

E(/RD)

I

6800 mode: E (enable signal)

8080 mode: /RD (read strobe signal)

16

R/W(/WR)

I

6800 mode: R/W

0: Write cycle

1: Read cycle

8080 mode: /WR (write strobe signal)

17

/RESET

I

Master synchronize reset

18

GND

---

Power ground 0V

19

|

36

DATA00

|

DATA17

I/O

Data bus. Pins not used should be floating

37

NC (PWM)

---

No connection

38

+5.0V

I

Power supply for backlight

39

NC (BL+)

---

No connection

40

NC (BL-)

---

No connection