Input And Control Panel Touchscreen/Display Interface; Input And Control Panel Interface Pca; Figure 9-8. Input And Control Panel Layout - Teledyne T750 User Manual

I C
9.5.
NPUT AND ONTROL
The most commonly used method for communicating with the T753U Portable Calibrator
is via the instrument's Input and Control Panel LCD touchscreen display. The LCD display
is controlled directly by the CPU board. The touchscreen is interfaced to the CPU by means
of a touchscreen controller that connects to the CPU via the internal USB bus and emulates
a computer mouse.
CPU
LAN COM4 USB4
Optional LVDS
The LCD display is controlled directly by the CPU board. The touchscreen is interfaced to
the CPU by means of a touchscreen controller that connects to the CPU via the internal
USB bus and emulates a computer mouse.
I
NPUT AND
The Input and Control Panel interface PCA controls the various functions of the display
and touchscreen, and provides connection between the CPU video controller and the LCD
display module. This PCA also contains:
•
•
•
168
P T
ANEL OUCHSCREEN
3.3V
Optional LVDS
USB Master
Front Panel Interface PCA

Figure 9-8. Input and Control Panel Layout

C P I
ONTROL ANEL NTERFACE
power supply circuitry for the LCD display module
USB hub that is used for communications with the touchscreen controller and
the two Input and Control Panel USB device ports
circuitry for powering the display backlight
/D I
ISPLAY NTERFACE
LCD Display
and
Touchscreen
TFT BIAS Supply
10.4, -7.0, 16, 4V
18 Bit TTL Data
Remote
Local
BL Cont.
Utility Controller
Lang.
PCA
Back-Light
Supply
+5V
PWM
Touch Screen Controller
USB & 5V
USB2 HUB
Powered Powered
USB-1 USB-2
083730750B DCN8606