Motorola 68HC12B32 Uživatelský manuál stáhnout pdf

UF 68HC12 Development Kit Manual

October 2006 (Version 4.01) Page 1/24

EEL 4744: Microprocessor Applications

Note that the bubbles on the header pins on the schematics do not represent activation-level

information. Headers are passive devices.

Contents

1.0 Introduction................................................................................................................ 1

2.0 Installation & Quick Testing....................................................................................... 1

3.0 Header Definitions..................................................................................................... 1

4.0 Jumper Definitions..................................................................................................... 3

5.0 Memory Map & Interrupt Vectors............................................................................... 5

6.0 CPLD/Header Cross Reference Table ...................................................................... 7

7.0 Schematics................................................................................................................ 8

A.1 68HC12B32 Pin-out ................................................................................................ 19

A.2 Altera 7064 – EPROM/EEPROM Decode Equations & CPLD Signal Pin-outs ....... 23

1.0 Introduction

The UF 68HC12 Development Kit integrates the 68HC12B32 with an EPROM and an Altera 7064

CPLD. The purpose of the EPROM is to allow expanded mode booting of the 6812 using the UF-6812

Monitor/Debugger, D-Bug4744 (similar to Motorola’s D-Bug12). I/O can be easily connected to the

processor via address decoding in the CPLD. These features, coupled with the fact that the 6812’s

address, data, control and port pins are broken out to 100 mil headers, provide a fast and easy platform

for prototyping of hardware with the 68HC12B32 Micro-controller.

2.0 Installation & Quick Testing

1. Connect a USB cable between the 6812 Development board and your PC.

2. Connect a 5V power supply to Header J11. Note: Pin1 is +5V and Pin3 is Ground. See Figure

1 for the location of Header J11. * Note: Alternatively, you may power your 6812HC12 board

using the power supplied from your computer via the USB cable. To enable this, short solder

across the jumper labeled RP. DO NOT CONNECT BOTH POWER SUPPLIES AT THE

SAME TIME!*

3. Open a terminal application on your PC. Set your terminal properties to:

Connect Using: Communication Port Assigned to USB Port (e.g. Com1)

Transfer Rate: 9600 bits per second

Data Bits: 8

Parity: None

Stop Bits: 1

Flow Control: None

4. Press the Reset Button on the Board.

5. You should now see the monitor menu show up in your terminal.

6. If you do not see this menu in your terminal application, check all of your board’s jumper

settings using the definitions in the next section.

1 2 3 4 5 6 ... 23 24

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Strany 1 - 1.0 Introduction

UF 68HC12 Development Kit Manual October 2006 (Version 4.01) Page 1/24 EEL 4744: Microprocessor Applications Note that the bubbles on the head

Strany 2 - 3.0 Header Definitions

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Strany 3 - 4.0 Jumper Definitions

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Strany 8 - J16 : CPLD IO Header Pin-out

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Strany 9 - 7.0 Schematics

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