Microcontroller Board Options

1. Techny Electronics MC200 (68HC11 board)

http://www.tecel.com/mc200.htm
Features:

68HC11A1 Microcontroller

36 Bit IN/OUT

8 Channel, 8 Bit A/D Port

512 bytes of internal EEPROM

8K EPROM

32K SRAM

RS-232 Serial Port

8Mhz operation speed

Capable of writting/running to/from EEPROMs

2 on-board memory sockets allow EEPROM to be added

Size: 3.0" x 3.0" (7.62cm x 7.62cm)

Software:

SBasic Compiler included

Price:

$89.00 + $5.50 for EEPROM, shipping included

Notes:

board used by Jack Koumas

according to Jack, the guy at the company is very helpful but it appears to be a one or two person operation so level of help available may not be very high

2. Axiom Manufacturing CMM-11A8-32

http://www.axman.com/cmm32.htm
Features:

MC68HC11A8 CPU

512 Byte EEprom

16 BIT Timer w/ 3 Capture, 5 Compare

Pulse Counter

8 Channel 8 BIT A/D

SPI Serial Port

SCI Serial Port

RS-232 Serial Ports w/ DB9 Connector

Three I/0 Ports

HC11 Port A, D, E

22 I/O Total, 7 Configurable, 11 Inputs, 4 Outputs

32k x 8 Static RAM

32k x 8 EEprom

Keypad / SPI interface w/ Header

LCD interface w/Header

Regulated Power Supply

Bus Expansion Port w/ 7 Chip Selects

Power Input: +7 to +15v Standard

Current Consumption: 30 ma (typical) @8MHZ

Size: 2.0" x 3.75"

Software:

optional UTL11 disk contains manuals, Small C11 compiler and S19 files for Buffalo monitor

Cost:

$105.00 + $10.00-$25.00 shipping

Notes:

modifications to the board (removal of some resistors) may be necessary to use A/D inputs, according to downloaded user manual

Small C compiler is freeware. Language support has several restrictions such as cannot return more than 1 byte from a procedure, no structs or unions, etc.

smallest board found so far, total area only 7.5 square inches

3. EMAC Inc. MICROPAC HC11

http://www.emacinc.com/uphc11_framespage.htm
Features:

MC68HC11F1 CPU

ANALOG INPUTS: Fast 8 channel, 8 bit analog to digital converter with an 16 microsecond conversion rate

RS-232 Serial Port

32K EPROM, 32K RAM, 512 bytes EEPROM

Size: 3.625" x 5.375"

Software:

68HC11 assembler on PC compatible disk. optional BASIC11 EPROM available

Cost:

$129.95, no shipping costs listed, various upgrades available

Notes:

Web page is a little short on information

4.Midwest Micro-Tek MMT-HC11

http://www.midwestmicro-tek.com/hc11man.html
Features:

68HC11A0, A1, E0, E1, or E2 CPU available

+ 5 Volt only

Low Power Idle and Sleep Modes

Watchdog Timer

2 serial I/O Ports RS232

RS422/485 for communications up to 5000 ft.

Jumper configurable RAM/ROM up to 32K ROM/32K RAM or 64K Ram

Four Counter/Timers

8 bit, 8 channel A/D Converter

PWM Outputs

5 Interrupt Sources

Size: 4.0" X 6.375"

Software:

None included. Dunfield Micro-C compiler available for additional $99.00

Cost:

$149.00, no shipping costs listed

Notes:

5. Midwest Micro-Tek MMT-PIC44

http://www.midwestmicro-tek.com/mmtpic44.html
Features:

MicroChip PIC17C4X family including the '43, '43, and '44

7 V to 32 V power input

Low Power Modes

Watchdog Timer

16 bit Operation

Up to 32K X 16 ROM (EPROM, FLASH 5V or 12V)

2 Serial ports RS232

24 bit Parallel I/O (OPTO 22 Compatible header)

Five Counter/Timers

Clock Calendar

Indicator LED's

12C Bus (ACCESS BUS Connector)

5.0" X 6.0"

optional 8 Channels of 12 bit A/D (4 Channels differential)   +$62.00

optional 128k, 256k or 512k bit Serial EEPROM        +$3.00

Software:

None included.   Assembler may be downloaded from the Microchip website. A C compiler can be purchased from Byte Craft. Beta version of tiny BASIC style package available on request.

Cost:

$249.00 + $65.00 for A/D channels and EEPROM, no shipping costs listed

Notes:

most expensive system considered, but also most powerful processor. may be overkill for what we want to do

6. Microvention MicroBench Toolkit

http://www.microvention.com/toolkit.html
Features:

MicroChip PIC16C74

2 modes - serial, requiring connection to host computer, or memory

3 ports with 8, 6, and 8 channels assigned to each respectively

channels can be assigned for input or output, digital or analog via software

4K of non-volatile memory for either data or compiled and downloaded programs

On-board 5V regulator

2 connectors for I/O - a ribbon cable connector and a 2x30 vertical test connector

Mac and PC serial cable connectors

Software:

software packages for Visual Basic and home-grown Licha programming language

Cost:

$149.00 (controller board, power supply, serial cable, software & manual)

Notes:

4K of non-volatile memory seems rather restrictive