G-Tek 2010B Bedienungsanleitung

Model 2010B Intel 8052AH Basic SBC

Operator’s Manual

Worldwide

Second Printing

April 1, 1988

Part # 01–000–282

Please see section on installation before using

Chapter 1

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . .1

1.1 Hardware Overview . . . . . . . . . . . . . . . . . . .1

1.2 Hardware Specifications . . . . . . . . . . . . . . . .1

1.3 Software Overview . . . . . . . . . . . . . . . . . . .2

1.4 Software Specifications . . . . . . . . . . . . . . . .2

1.5 Firmware Overview . . . . . . . . . . . . . . . . . . .3

1.6 Firmware Specifications . . . . . . . . . . . . . . . .3

Chapter 2

Getting Started . . . . . . . . . . . . . . . . . . . . . . . . .5

2.1 Unpacking . . . . . . . . . . . . . . . . . . . . . . .5

2.2 Installation . . . . . . . . . . . . . . . . . . . . . . .5

2.2.1Quick Start . . . . . . . . . . . . . . . . . . . .5

2.2.2Normal Installation . . . . . . . . . . . . . . . .6

Chapter 3

New Commands and Additions . . . . . . . . . . . . . . . . .9

3.1 New Commands . . . . . . . . . . . . . . . . . . . .9

3.1.1AUTOEXn . . . . . . . . . . . . . . . . . . . .9

3.1.2DIR . . . . . . . . . . . . . . . . . . . . . . . 10

3.1.3EGETn . . . . . . . . . . . . . . . . . . . . . 10

3.1.4EPUTn . . . . . . . . . . . . . . . . . . . . . 11

3.1.5 ERASEn . . . . . . . . . . . . . . . . . . . . 11

3.1.6INn . . . . . . . . . . . . . . . . . . . . . . . 12

3.1.7LOADn . . . . . . . . . . . . . . . . . . . . . 12

3.1.8OUTn . . . . . . . . . . . . . . . . . . . . . . 13

3.1.9SAVEn . . . . . . . . . . . . . . . . . . . . . 13

3.1.ATKO . . . . . . . . . . . . . . . . . . . . . . . 13

3.2 Differences In V1.1 Intel Basic Commands . . . . . 14

3.2.1 Differences Caused by Ram Refresh . . . . . 14

3.2.2 New Values for Basic Constants . . . . . . . . 14

3.2.3Sign on message . . . . . . . . . . . . . . . . 14

3.2.4 EE/Eprom Code Memory . . . . . . . . . . . 14

3.2.5 Unusable Intel Basic V1.1 Commands . . . . 15

3.2.6 Intel V1.1 Basic Commands Used Differently . 15

Table of Contents

Page i

Chapter 4

Communications Software . . . . . . . . . . . . . . . . . . 19

4.1 B51 Installation . . . . . . . . . . . . . . . . . . . . 19

4.2 Using B51 . . . . . . . . . . . . . . . . . . . . . . . 19

4.3 Using Mke.bat . . . . . . . . . . . . . . . . . . . . 21

Chapter 5

2010B RS–232 Interface . . . . . . . . . . . . . . . . . . . 23

Appendix A

2010B Board Connector Pinouts . . . . . . . . . . . . . . . 25

Expansion Bus 34 Pin Connector On 2010 Board . . . . 25

40 Pin Connector On 2010 Board . . . . . . . . . . . . 26

Appendix B

Jumpers Used on the 2010B Board . . . . . . . . . . . . . 31

Appendix C

Example Basic Program

Table of Contents

Page ii

Chapter 1

Introduction

1.1 Hardware Overview

The GTEKModel 2010 single board computer is intended to be the

best single board computer to use for control applications ever made.

The 2010 has 40 programmable I/O lines. Each I/O line may be

programmed foreitherinputor outputwithoutregardto itspositionon

the connector. Eight ofthose40are PORT1of the processor.The other

32 are on 2 Z80 PIO chips.

In addition to those 40 I/O lines, are lines to be used to expand the

functions of the 2010 board. AD0-AD7, ALE, RD, WR, PSEN, A8- A15,

ROM, CMM, VDD, P1.5, P1.6, P1.7, Vcc, Vdd, DTR and GROUND are

brought to a 34 pin expansion bus (see appendix A). This makes

expansiontomorememoryorboards,likeaD/AA/Dconverterormore

I/O, easily attached. With proper design, the board could just piggy

back on top of the 2010.

The 2010 has a built in 5volt regulated power supply. It needsto be

connected to a single ended power supply capable of at least 9 volts

at 500 milliamps to be adequately powered. If you attach expansion

boards to it, you must usean adequate power supply. The RS-232 uses

a MAX-232 chip to obtain the + — 12 volts for the RS-232 supply.

With the proper power supply, you can supply approximately an

other 250 to 500 milliamps to peripherals. You must provide for

adequatecooling ofthe regulator,however.Theregulator iscapable of

delivering up to 1amp provided proper heat sinking is provided.

1.2 Hardware Specifications

PHYSICAL SIZE:

3.55 x 6.90 x .6 inches

90.17 x 175.26 x 15.24 mm

WEIGHT: 6 ounces (170 grams)

Chapter1 Model 2010B

Page 1

POWER REQUIREMENTS:

9 Volts AT 500 milliamps

Direct I/O Lines Programmable as Input or Output:

Indirect I/O Lines Through Expansion Bus:

C000-FFFFH, and 0000-7FFFH if the EEprom is not used.

PROCESSORS:

8031 at 11 MHz (standard)

(Optional) 8751, 8751H, 87C51 at 11 MHz

8032 at 11 MHz

8052AH BASIC

(Also see your processor specification sheet)

1.3 Software Overview

Much of the software for the 2010 is strictly communications

software. That is, you could use other programs to communicate with

the 2010, but our software will recognize upload, download and other

commands and handle them accordingly.

Most of thecommands are handled by the2010directly, rather than

on your computer. This allows it to run in the same way on virtually any

computer or terminal.

The software used to handle communications is called B51.COM.

A program called PINSTALL is provided to install it for the Baud Rate

or COM port you are using. The software used to handle

upload/download from the BASIC option is called B51.COM. Use B51

to save/load your basic programs either in an ASCII format for imme-

diate use with an EEprom, or in a tokenized format so that you can

dedicate the controller with a BASIC program in an Eprom.

1.4 Software Specifications

Although the 2010 is capable of communicating at Baud Rates of

from 300 to 57,600 Baud, B51 communicates at 9600 Baud. Com-

mands areavailable to saveor load an ASCII BASIC program, and save

a tokenized BASIC program to execute from a burned Eprom.

Model 2010B Chapter1

Page 2

1.5 Firmware Overview

Much of the versatility of the model 2010 board comes from being

able to refresh ram through an interrupt service routine every 2 mil-

liseconds.Thebuiltinmonitorfirmwaretakescareofthisinconjunction

with the PAL. You arenot awareof this going on except that you cannot

make exclusive use of the timer taking care of this function.

Much of thefirmwaremonitor istied into thePAL functionality. This

means that if you write code to go into the Eprom or EEprom, then you

must also includethemonitor code. Ifyoudon’t you may losefunction

of the ram refresh and of course all of the built- in commands and

RS-232 communications. When using the B51 program to save

tokenized basic to beput intoan Eprom,youshould usetheMKE.BAT

program to put the monitor and other things into the correct location

in the Eprom.

1.6 Firmware Specifications

The firmware included with the 8052AH BASIC chip takes care of

the Ram Refresh and new commands added to 8052AH BASIC. Refer

to the memory map. Locations 0-1FFFH in code memory are reserved

for 8052AH BASIC. 2000H Through 7FFFH is reserved for BASIC and

the firmware monitor. When using a 2864 or 2764 (8K memory device),

it is inserted at locations 2000H through 3FFFH. When using a 16K

device, it is inserted at 2000H through 5FFFH. When using a 32K

device, it is inserted at 2000H through 7FFFH. Note that you lose 8K to

the 8052AH BASIC monitor rom.

—Notes—

Chapter1 Model 2010B

Page 3

—Notes—

Model 2010B Chapter1

Page 4

Chapter 2

Getting Started

2.1 Unpacking

When unpacking the model 2010 board, be sure to watch for items

such as jumpers, disks, cables, and instructions and/or errata sheets

whileyouareunpacking.Many phonecallshavebeenmadeinthepast,

because in the haste of unpacking and getting to the main board,

material that was thought to be packing material was protecting a disk

or instruction manuals. These materials should be plainly marked as

"instructions"or "disk", but some people don’t take the time to read it

and discard it. If you think you are missing anything from your order,

please be sure to go back through the packing material to make sure

that it was not acci dentally discarded.

2.2 Installation

The 2010 board (depending on the options ordered) generally

comesset up to plug in and run. Yours should be set up with the Basic

monitor on a 2864. Jumpers will beset for this installationwith no other

option jumpers.

2.2.1 Quick Start

To begin communicating immediately with the board follow these

instructions:

1—Plug in RS–232 cable to computer and 2010 board. (or make

cable from instructions in appendix D).

2—Plug wall transformer into board.

3—Plug wall transformer into 120 Volt outlet.

4—Run B51 (B51 is an optional program) communications pro-

gram.

5—Issue commands.

Remember that if you don’t have theB51communicationsprogram

that you will have to set the communications parameters first on your

computer to communicate with the board. The 2010 is set up to be a

Chapter2 Model 2010B

Page 5

DCE device. This means that on an IBM PC or ATtype computer (that

has a DTE port) the cable will run straight through.

2.2.2 Normal Installation

After unpacking the 2010, set it up for your use. Normally, it will

already be installed to use with the 8052AH BASIC. However, you may

install the board in this manner:

1—If you didn’t get a cable from us, make an RS-232 cable like this:

a) The cable required is a straight through cable. Pin 2 on the

computer hooks to pin 2 on the 2010. Hook up pins 1, 2, 3, 4, 5, 6,

7, and 20. 8052AH BASIC does not require hardwarehandshaking,

so you could just use pins 2, 3 and 7 for a cable.

b) The computer end of the cable will require a female connector,

while the 2010 end requires a male connector.

2- Hook the RS–232 cable to the 2010 and the computer.

3- Check the jumpers for operation. A normal first time operation

willalready havethejumpersinthecorrect location,howevercheck

the jumpers as follows:

JB5

—1 is /EA of the processor pulled high by a 2K RP (for internal

program memory).

—2 is Ground (for external program memory access)

Default: leave thisjumper open for usewith 8052AHBASIC. Ground

it to use the 8052AH as an 8032.

JB6

—1 is Vcc. (used for 2764/27128 /pgm pin.)

—2 is pin 27 of the program memory socket (common).

—3 is A14 of the Address Bus

—4 is /WRfrom the processor

Default: 4–2for 2864. Hook 1–2for 2764,27128. Hook 4–2for 28256

to allow /WR to program EEprom. Hook 3–2 for 27256, 27512 to

allow A14 on pin 27 (A14).

Model 2010B Chapter2

Page 6

JB7

—1 is Vcc. (used for 2764/27128/27256 Vpp pin.)

—2 is pin 1 of the program memory socket (common)

—3 is A15 of the Address Bus

—4 is A14 of the Address Bus

Default: 4–2for2864.Hook 1–2for Vcc to Vpp of 2764,27128,27256.

Hook 4–2 for 28256 to allow A14 onto pin 1 (A14). Hook 3–2 for 27512

to allow A15 onto pin 1 (A15).

Memory (Usable size) JB5 JB6 JB7 Type:

2764/A 8K Eprom 1–2 2–1 2–1 ML

2764/A 8K Eprom none 2–1 2–1 BASIC

2864 8K EEprom 1–2 2–4 2–1 ML

2864 8K EEprom none 2–4 2–1 BASIC

27128/A 16K Eprom 1–2 2–1 2–1 ML

27128/A 16K Eprom none 2–1 2–1 BASIC

27256 32K Eprom 1–2 2–3 2–1 ML

27256 24K Eprom none 2–3 2–1 BASIC

28256 32K EEprom 1–2 2–4 2–4 ML

28256 24K EEprom none 2–4 2–4 BASIC

27512 32K Eprom 1–2 2–3 2–3 ML

27512 24K Eprom none 2–3 2–3 BASIC

JB5 controls external access of program code fetches. If it is

jumpered /EA is grounded,forcing theprocessor to fetch codeexter-

nally from the Eprom. If you have a 8751 or 87C51 you should leave

pin1and2ofJB5open(none)tofetchcodeinternallyfromtheEprom.

JB6 controls where pin 27 of the program memory socket (Eprom

or EEprom) connects. Pin 27 connects to pin 2 of the jumper block. If

pin 2 is jumpered to pin 1 (Vcc) then that pin is held at Vcc for a 2764.

To pin 3willconnect line A14 to pin 27for a27256. To pin 4will connect

/WR to pin 27 for for /WE for 8K EEproms, Xicor X2864A for example.

JB7controlswherepin1oftheprogrammemorysocket(Epromor

EEprom) connects. Pin 1 of the program memory socket connectsto

pin 2 of the jumper block. If pin 2 is jumpered to pin 1 (Vcc) then that

pin is held at Vcc for a 2764. To pin 3 will connect line A15 to pin 1 for

27512. To pin 4 will connect line A14 to pin 1 for a Xicor X28256 for

example.

Chapter2 Model 2010B

Page 7

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