Phytec MicroMODUL-8051 User manual

A product of a PHYTEC Technology Holding company

microMODUL-8051

Hardware-Manual

Edition April 1999

microMODUL-8051

PHYTEC Meßtechnik GmbH 1999 L-168e_5

In this manual are descriptions for copyrighted products which are not explicitly

indicated as such. The absence of the trademark () symbol does not infer that a

product is not protected. Additionally, registered patents and trademarks are

similarly not expressly indicated in this manual

The information in this document has been carefully checked and is believed to be

entirely reliable. However, PHYTEC Meßtechnik GmbH assumes no responsibility

for any inaccuracies. PHYTEC Meßtechnik GmbH neither gives any guarantee nor

accepts any liability whatsoever for consequential damages resulting from the use

of this manual or its associated product. PHYTEC Meßtechnik GmbH reserves the

right to alter the information contained herein without prior notification and

accepts no responsibility for any damages which might result.

Additionally, PHYTEC Meßtechnik GmbH offers no guarantee nor accepts any

liability for damages arising from the improper usage or improper installation of

the hardware or software. PHYTEC Meßtechnik GmbH further reserves the right to

alter the layout and/or design of the hardware without prior notification and

accepts no liability for doing so.

translation, reprint, broadcast, photomechanical or similar reproduction and stor-

age or processing in computer systems, in whole or in part - are reserved. No

reproduction may occur without the express written consent from PHYTEC

Meßtechnik GmbH.

EUROPE NORTH AMERICA

Address: PHYTEC Technologie Holding AG

Robert-Koch-Str. 39

D-55129 Mainz

GERMANY

PHYTEC America LLC

255 Erickson Avenue NE

Bainbridge Island, WA 98110

USA

Ordering

Information: +49 (6131) 9221-30

order@phytec.de +1 (800) 278-9913

order@phytec.com

Technical

Support: +49 (6131) 9221-31

support@phytec.de +1 (800) 278-9913

[email protected]

Fax: +(49) 6131-9221-33 +1 (206) 780-9135

Web Site: http://www.phytec.de http://www.phytec.com

5th Edition: January 1999

Table of Contents

PHYTEC Meßtechnik GmbH 1999 L-168e_5

Preface...........................................................................................................1

1 Introduction .........................................................................................3

2 Pin-Layout............................................................................................5

3 Jumpers................................................................................................9

3.1 Special Features J1, J4...............................................................10

3.2 Serial Interface J2, J3.................................................................12

4 Memory-model...................................................................................13

4.1 Control Register 1.......................................................................15

4.2 Control Register 2.......................................................................20

4.3 Address Register.........................................................................21

4.4 Mask Register.............................................................................22

5 Flash-Memory....................................................................................25

6 Battery Buffer....................................................................................27

7 Technical Specifications....................................................................29

8 Hints for Handling the Module........................................................31

Index............................................................................................................33

microMODUL-8051

PHYTEC Meßtechnik GmbH 1999 L-168e_5

Index of Figures and Tables

Figure 1: Pin-Layout....................................................................................5

Figure 2: Numbering of the Jumper-pads....................................................9

Figure 3: Location of the Jumpers (view of the component side)...............9

Figure 4: Default-memory-model after Hardware-Reset...........................14

Figure 5: Memory-model for Flash-Programming....................................16

Figure 6: Partitioning of the I/O-Area .......................................................17

Figure 7: Example of a Memory-model.....................................................24

Figure 8: Memory Areas of the Flash Device............................................25

Figure 9: Physical Dimensions ..................................................................29

Table 1: Pinout of the microMODUL-Connector ......................................6

Table 2: Reserved Pins ...............................................................................7

Table 3: Jumper Settings ..........................................................................10

Preface

PHYTEC Meßtechnik GmbH 1999 L-168e_5 1

Preface

This microMODUL-8051 User’s Manual describes the board’s design

and functions. Precise specifications for the 80C32-derivative micro-

controllers can be found in the enclosed microcontroller Data-

Sheet/User’s Manual. If software is included please also refer to

additional documentation for this software.

In this hardware manual and in the attached schematics, low active

signals are denoted by a "/" in front of the signal name (i.e.: /RD). A

"0" indicates a logic-zero or low-level signal, while a "1" represents a

logic-one or high-level signal.

Declaration regarding EMV-Conformity of the

PHYTEC microMODUL-8051

PHYTEC Single Board Computers (henceforth products) are designed

for installation in electrical appliances or as dedicated Evaluation

Boards (i.e.: for use as a test and prototype platform for

hardware/software development) in laboratory environments.

Attention!

PHYTEC products lacking protective enclosures are subject to

damage by ESD and, hence, may only be unpacked, handled or

operated in environments in which sufficient precautionary measures

have been taken in respect to ESD-dangers. It is also necessary that

only appropriately trained personnel (such as electricians and

engineers) handle and/or operate these products. Moreover, PHYTEC

products should not be operated without protection circuitry if

connections to the product’s pin header rows are longer than 3 m.

microMODUL-8051

2PHYTEC Meßtechnik GmbH 1999 L-168e_5

PHYTEC products fulfill the norms of the EMVG-statute only in

accordance to the descriptions and rules of usage indicated in this

hardware manual (particularly in respect to the pin header row

connectors, power connector and serial interface to a host-PC).

Implementation of PHYTEC products into target devices, as well as

user modifications and extensions of PHYTEC products, is subject to

renewed establishment of conformity to, and certification of, EMV-

Statutes. Only after doing so the devices are allowed to be put into

circulation.

The microMODUL-8051 is one of a series of PHYTEC

nano/micro/miniMODULs which can be fitted with different

controllers and, hence, offers various functions and configurations.

PHYTEC supports all common 8- and 16-bit controllers in two ways:

(1) as the basis for Starter Kits in which user-designed hardware

can be implemented on a wrap-field around the controller and

(2) as insert-ready, fully functional micro- and miniMODULS

which can be embedded directly into the user’s peripheral

hardware design.

PHYTEC’s microcontroller modules allow engineers to shorten devel-

opment horizons, reduce design costs and speed project concepts from

design to market. Please contact PHYTEC for additional information:

EUROPE NORTH AMERICA

Address: PHYTEC Technologie

Holding AG

Robert-Koch-Str. 39

D-55129 Mainz

GERMANY

PHYTEC America LLC

255 Erickson Avenue NE

Bainbridge Island, WA 98110

USA

Web Site: http://www.phytec.de http://www.phytec.com

e-mail: info@phytec.de [email protected]

Voice: +(49) 6131 9221-0 +1 (800) 278-9913

Fax: +(49) 6131-9221-33 +1 (206) 780-9135

Introduction

PHYTEC Meßtechnik GmbH 1999 L-168e_5 3

1Introduction

The microMODUL-8051 is a matchbox-size microcontroller board.

There are two microMODUL-8051 variations available, each with ist

own PCB-Numbers available. PCB-No. 1112.X accomodates a

MQFP-44 package controller while PCB-No. 1103.X is suitable for a

PLCC-44 package controller. They both can be populated by single-

chip 80C32 microcontroller, as well as with pin-compatible

derivatives (i.e. SAB-C501, SAB-C502, SAB-C504, 80C154,

DS80C320 and the COM20051) These controllers generally offer

special features; for instance, the COM20051 consists of an 80C32

core with an integrated ARCnet-Controller. External installation of a

Hybrid-Interface enables a COM20051 based microMODUL-8051 to

run at up to 255 nodes in an ARCnet network.

Precise specifications for the specific controller fitted on the

microMODUL-8051 you have purchased can be found in the enclosed

microcontroller manual. The microMODUL-8051 described herein is

based on the standard 80C32 architecture. There follows no specific

discussion of 80C32-derivative controllers, as the architecture of these

derivatives is not relevant to the basic functioning of this module.

microMODUL-8051

4PHYTEC Meßtechnik GmbH 1999 L-168e_5

The microMODUL-8051 offers the following features:

•SBC in matchbox-size dimensions (51 x36 mm) achieved through

modern SMD technology

•improved interference safety through multi-layer technology

•controller signals and ports extend to standard-width (2.54 mm.)

pins aligning board edges, allowing the board to be plugged into

any target application like a “big chip”

•socketed controllers allow the flexible installation of a variety of

8051-compatible processors on the board (only PCB--No. 1103.X)

•requires a single power supply of 5V, typ. <200mA

•128 (up to 512) kByte Flash on-board (PLCC)

•on-board Flash-programming

•no dedicated programming voltage through use of 5V-Flash-de-

vices

•32 (up to 128) kByte RAM on-board (SMD)

•all ports and applicable logic signals extend to pin headers at the

edges of the circuit board

•flexible software-configured address decoding through a complex

logic device

•bank latches for Flash and RAM integrated in address decoder

•alternate RS-232 or RS-485 interfaces

•three free chip-select signals for simple I/O-connection to external

peripherals

Pin-Layout

PHYTEC Meßtechnik GmbH 1999 L-168e_5 5

2Pin-Layout

Please note that all module connections are not to exceed their ex-

pressed maximum voltage or current. Maximum input values are indi-

cated in the corresponding controller manuals. As damage from

improper connections varies according to use and application, it is the

user’s responsibility to take appropriate safety measures to ensure that

the module connections are protected from overloading through con-

nected peripherals.

As shown in Figure 1, all controller signals extend to standard-width

(2.54 mm) pin rows lining three sides the board (referred to as

microMODUL-Connector). This allows the board to be plugged into

any target application like a “big chip”.

Figure 1: Pin-Layout

Many of the controller port pins accessible at the edges of the board

have been assigned alternate functions that can be activated via soft-

ware.

Table 1 provides an overview of the pinout of the microMODUL-

Connector, as well as hints about additional functions of some of the

port pins. For further details please refer to the Data Sheet of the

controller on the microMODUL-8051.

20 21

4152

microMODUL-8051

6PHYTEC Meßtechnik GmbH 1999 L-168e_5

PIN # Connection Comments

1 ALE Address latch

2...9 D0...D7 Data bus (Port 0 of the controller)

10 Reserved 1 Pin 34 (PLCC) / 28 (QFP) of the

controllers (the function is dependent

upon the controller derivative used, see

below)

11 /Reset /Reset-input port of the module

12...19 A0...A7 decoded address bus (Low-Byte)

20 GND Ground circuit 0V

21...28 P1.0...P1.7 Port 1

29 P3.7 /RD Port 3.7 or /RD-Signal

30 P3.6 /WR Port 3.6 or /WR-Signal

31 P3.5 T1 Port 3.5 or Timer 1

32 P3.4 T0 Port 3.4 or Timer 0

33 P3.3 INT1 Port 3.3 or ext. INT1

34 P3.2 INT0 Port 3.2 or ext INT0

35 P3.1 TXD B Port 3.1 or TXD (RS-232) or

B (RS-485)

36 P3.0 RXD A Port 3.0 or RXD (RS-232) or

A (RS-485)

37 /CS1 predecoded Chip-Select-Signal #1

38 /CS2 predecoded Chip-Select-Signal #2

39 /CS3 predecoded Chip-Select-Signal #3

40 VCC Supply voltage +5V=

41 VBAT Supply voltage for battery-buffer

42 Reserved 2 Pin 12 (PLCC) / 6 (QFP) of the

controllers (the function is dependent

upon the controller derivative, see below)

43 Reserved 3 Pin 44 (PLCC) / 38 (QFP) of the

controllers (the function is dependent

upon the controller derivative, see below)

44 Reserved 4 Pin 1 (PLCC) / 39 (QFP) of the

controllers (the function is dependent

upon the controller derivative, see below)

45...52 A8...A15 Address bus (High-Byte)

Table 1: Pinout of the microMODUL-Connector

Table of contents

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