DMC TSC-40/IC Spezifikationen PDF herunterladen (Seite 6)

TSC-40/IC Product Specification

3. Pin functions

number

Pin name

I/O

Functional description

AN2

I/O

Touch screen XL/UR input pin.

AN3

I/O

Touch screen XR/LL input pin.

SEL1

Transition select pin.

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

EEP-DO

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

VREF

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

RST

Reset input pin (active L).

CNVSS

Operation mode control pin; Vss is connected.

VCC

Power supply input pin; Vcc is connected.

XIN

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

XOUT

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

VSS

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

P30

Opened*2.

LED1

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.

15*3

SEL3/EEP-CLK

I/O

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

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

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

16*3

SEL4/EEP-CS

I/O

EEPROM setting pin shared with EEPROM CS signal output pin.

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

used).

When using EEPROM, EEPROM CS is connected.

Unused pin; Opened.

SYD/LL

Touch screen LL control pin.

SYU/UL

Touch screen UL control pin.

SXL/UR

Touch screen UR control pin.

SXR/LR

Touch screen LR control pin.

THO

Pen down detection pin.

THI

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

RxD_I

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

Only used serial mode, RxD is connected.

SEL0

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.

RxD

I/O

Data receive pin.

TxD

I/O

Data send pin.

SW1

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

SW0

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

BEEP

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

AN0

Touch screen YD/LL input pin.

AN1

Touch screen YU/Sense input pin.

1 2 3 4 5 6 7 8 9 10 11 ... 23 24

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