TSC-40/IC Product Specification

 

 

 

 

 

 

 

 

 

3. Pin functions

 

 

 

 

 

 

 

 

 

 

Pin

Pin name

I/O

Functional description

number

 

 

 

 

 

 

1

AN2

I/O

Touch screen XL/UR input pin.

2

AN3

I/O

Touch screen XR/LL input pin.

3

SEL1

I

Transition select pin.

H = Auto transition*1 after reset. L = transition by command.

 

 

 

 

 

 

4

EEP-DO

I

EEPROM DO input pin; At using no EEPROM, Vcc or GND is connected.

5

VREF

I

A/D converter reference voltage input pin; Vcc is connected.

6

 

 

 

I

Reset input pin (active L).

RST

7

CNVSS

I

Operation mode control pin; Vss is connected.

8

 

VCC

I

Power supply input pin; Vcc is connected.

9

 

XIN

I

Clock input pin; When using external clock, clock is input to this pin.

10

XOUT

O

Clock output pin; When using external clock, this pin is opened.

11

 

VSS

I

Power supply input pin (GND); GND is connected.

12

 

P30

O

Opened*2.

13

LED1

O

LED output pin; ON = Lo, OFF = Hi.

14*3

SEL2/EEP-DI

I/O

EEPROM DI signal output pin; When using EEPROM, EEPROM DI is connected.

Whether or not EEPROM is used, connect with GND via resistance.

 

 

 

 

 

 

 

 

 

 

 

 

EEPROM SK signal output pin; When using EEPROM, EEPROM SK is connected.

15*3

SEL3/EEP-CLK

I/O

Touch screen mode setting pin. (L=4-wire, H=5-wire)

 

 

 

 

 

 

Whether or not EEPROM is used, connect with Vcc or GND via resistance.

 

 

 

 

 

 

EEPROM setting pin shared with EEPROM CS signal output pin.

16*3

SEL4/EEP-CS

I/O

EEPROM is set via resistance and Vcc or GND is connected. (L = Used, H = Not

used).

 

 

 

 

 

 

 

 

 

 

 

 

When using EEPROM, EEPROM CS is connected.

17

 

 

 

O

Unused pin; Opened.

18

SYD/LL

O

Touch screen LL control pin.

19

SYU/UL

O

Touch screen UL control pin.

20

SXL/UR

O

Touch screen UR control pin.

21

SXR/LR

O

Touch screen LR control pin.

22

THO

O

Pen down detection pin.

23

 

THI

I

In power-save mode, start signal input pin by pen down.

24

RxD_I

I

In power-save mode, start signal input pin by command reception.

Only used serial mode, RxD is connected.

 

 

 

 

 

 

25

SEL0

I

If power supply voltage is 4.0 to 5.5V, GND is connected. If power supply voltage is

3.3 to 4.0V, Vcc is connected.

 

 

 

 

 

 

26

RxD

I/O

Data receive pin.

27

 

TxD

I/O

Data send pin.

28

SW1

I

SW1 input pin *4; H = ON = 1, L = OFF = 0.

29

SW0

I

SW0 input pin *4; H = ON = 1, L = OFF = 0.

30

BEEP

O

BEEP output pin; Hi output; Output frequency =2.5kHz, Output time =50ms.

31

AN0

I

Touch screen YD/LL input pin.

32

AN1

I

Touch screen YU/Sense input pin.

Document No. DER-S0026A

5

Version 1.2 ©2008 DMC Co., Ltd.

Page 6
Image 6
AG Neovo TSC-40/IC manual Pin functions, Eep-Do