SK-TSC-1125S User Guide
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© Fujitsu Microelectronics Europe GmbH
2.5 I2C header (X1) pinout (ADA-16FX-TSC-LCD)
X5 Pin
Name
Connected to
Descripton
1
SCL
JP6, X3 Pin 1
I2C Serial Clock Line
2
SDA
JP4, X3 Pin 2
I2C Serial Data Line
3 GND
System
Ground
4
VCC
VCC for TSC and LCD
5
TINT
X3 Pin 5
Touch interrupt from TSC to MCU
6
GINT
X3 Pin 6
General Purpose interrupt from TSC to MCU
7
TOUT
X3 Pin 7
‘Beep’ Signal for Piezo Buzzer
(FMA1127-40N only)
8
RESET_N
X3 Pin 8
Reset Pin of TSC
9
reserved
X4 Pin 1
10
reserved
X4 Pin 2
X3 can be used to access the TSC signals, e.g. to route the Interrupts to an appropriate
external interrupt pin of the MCU.
2.6 LCD header (X5) pinout (ADA-16FX-TSC-LCD)
Pin
Name
Pin
Name
1 VSS 9
n/c
2 VDD 10
n/c
3 V0
(contrast) 11
D4
4 RS 12
D5
5 R/W 13
D6
6 E 14 D7
7
n/c
15
VLED (Bac)
8
n/c
16
VLSS (Backlight -)
The contrast for the (optional) LC display can be adjusted using RP1.
2.7 Further connection options
Using X3 (VCC), X4 (GND) and X2 (GPIO0 – 3), additional connections to the FMA1125 can
be made. X2 is connected to the digital input / output pins GPIO0-3 of the TSC. If these are
to be connected to external circuits, the on-board LEDs can be disabled by opening JP3.
