PHD User Guide
1
1. About the PHD
The PHD family of displays are general purpose displays suitable for a wide range of industry
applications. There are 3 sizes: 2.8”, 5.0” and 7.0”. All models are color LCD displays with capacitive
touchscreens for interfacing.
Figure 1.1. PHD family of displays
The different models of the PHD and their features are listed in the following tables:
PHD28
Characteristic
Description
Display
Viewing angle
Brightness
Contrast ratio
Readable with polarized glasses
2.8” 320 x 240 TN LCD, PCAP touchscreen
Aspect ratio 4:3
Theta X +60° / -60°, Theta Y +60° / -50°
500 cd/m²
500:1
yes (landscape and portrait orientation)
Processor
Vybrid VF5xxR (Cortex-A5 core)
Flash 16 MB
RAM 128 MB DDR
Communication
CAN x 1
USB Host/Device x 1 (default is Device)
Inputs
7 General Purpose Inputs;
7 - Analog or
7 - GPIO used for Keypad Interface
Ambient Light Sensor
Outputs
2 x low-side 500mA
1 x 5Vdc sensor supply 500mA
1 x 12Vdc sensor supply 500mA
up to 7 high-side, 4.3V @ 5mA
Wake-up sources
Power, CAN, Touch Screen, External Keypad (GPIO)
Heater for cold applications
High wattage resistors (built-in)
Connector
Molex MX150, 20 pin