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PT630 Operation Guide Page 3 of 41

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Chapter 1. Introduction

The PT630 is a programmable and flexible data collection device that can be utilized in a variety of

data acquisition applications. It can be used as a portable data entry device and it can also be used as

a programmable dedicated computer that receives and runs application programs downloaded from a

host computer.

The PT630 is controlled by a 16-bit INTEL 8088 compatible microprocessor, and has a 256K user

programmable FLASH MEMORY that includes a rich set of DOS functions and device drivers for

application development, including bar code decoding, display, keypad, communications, and real

time clock/calendar.

PT630 BLOCK DIAGRAM

┌────────┐

│Lithium │

┌─────────┐ │Battery │

│ 128x64 │ └───┬────┘

│ bit map │ ┌────┴─────┐

├─────────┤ ┌──┴────┐ ┌──┴───┐

│ Graphic │ ┌──────────┐ ┌───────┐ │RAM ││Real │

│ LCD ││256K ││16-bit ││512K- ││Time │

│ Driver ││Flash ROM││CPU ││4.5MB ││Clock│

└───┬─────┘ └────┬─────┘ └───┬───┘ └──┬────┘ └──┬───┘

│││││

═══════════════════════╧╤═════════════╧═╤═══════════╧════╤════╧══════════╧════

││ │

╔═╦═╦═╗ ┌───┴────┐ ┌────┴─────┐ ┌────┴─┬────────────┐

Keypad ╠═╬═╬═╬═══╡ Key ││RS-232 ││Bar │ Integrated │

╠═╬═╬═╣ │ Matrix ││Serial ││Scan │ Laser Diode│

╚═╩═╩═╝ └────────┘ └──────────┘ └──────┴────────────┘

The PT630 can be purchased with 512K, 1.5MB, 2.5MB, 3.5MB or 4.5M on-board RAM. All

RAM memory is powered by the main Li-ion battery and a back-up lithium battery, which retains

the data stored in RAM and real time clock when the main battery is drained. The PT630 has a

128x64 pixel backlit graphic LCD display, an integral 27-key keypad, a built-in bar code laser

scanner/CCD module and an RS-232 serial port for data communication with a host PC.

1.1 Programming

The PT630 system kernel includes three basic modules: 1. Device driver, 2 File manager and

3.DOS manager. The PT630 terminal can be programmed using an E-PROM resident application

program called FormCaching, a Windows-based, high-level application generator Jo/jointfilesconvert/414416/bgenPlus,

Microsoft C, Borland C, Turbo C, Turbo Pascal and IBM PC macro assembler. The ROM based

firmware of the terminal provides emulated MS/DOS function calls. The programmer can design

the application programs by calling those functions just like in a DOS environment. The calling

and parameter passing conventions are compatible to that of MS/DOS and the programs are in the

EXE format. Programming details are included in the PT630 programming manual in this binder.

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