DMC TSC-40/IC, Product Specifications

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Document No. DER-S0063A 5 Version 1.3 ©2011 DMC Co., Ltd.
TSC-40/IC Product Specification
3. Pin functions
Pin
number
Pin name I/O Functional description
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 V
REF
I A/D converter reference voltage input pin; Vcc is connected.
6
RST
I Reset input pin (active L).
7 CNV
SS
I Operation mode control pin; Vss is connected.
8 V
CC
I Power supply input pin; Vcc is connected.
9 X
IN
I Clock input pin; When using external clock, clock is input to this pin.
10 X
OUT
O Clock output pin; When using external clock, this pin is opened.
11 V
SS
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
.
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.
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.