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phyCORE-P89C51Rx2 (HM) engl.
A product of a PHYTEC Technology Holding company
phyCORE-P89C51Rx2
Hardware Manual
Edition August 2001 phyCORE-P89C51Rx2


©
PHYTEC Meßtechnik GmbH 2001 L-464e_4
In this manual are descriptions for copyrighted products that are not explicitly
indicated as such. The absence of the trademark ( ) and copyright (
©
) symbols
does not imply 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.
©
Copyright 2001 PHYTEC Meßtechnik GmbH, D-55129 Mainz.
Rights - including those of translation, reprint, broadcast, photomechanical or
similar reproduction and storage 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.
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Address:
PHYTEC Technologie Holding AG
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D-55129 Mainz
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Ordering
Information:
+49 (800) 0749832
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Support:
+49 (6131) 9221-31
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Fax:
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Web Site:
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4th Edition August 2001 Table of Contents


©
PHYTEC Meßtechnik GmbH 2001 L-464e_4
Preface ...........................................................................................................1
1
Introduction .........................................................................................3
1.1
Block Diagram..............................................................................6
1.2
View of the phyCORE-P89C51Rx2 .............................................6
2
Pin Description.....................................................................................7
3
Jumpers ..............................................................................................13
3.1
J1 EEPROM/SRAM Supply Voltage ........................................14
3.2
J2, J3 Configuration of P1.6 and P1.7 for I2C Bus ...................15
3.3
J4 Interrupt Output of the RTC..................................................15
3.4
J5 P3.1 as TxD Signal................................................................16
3.5
J6 Serial Interface ......................................................................16
3.6
J7 RS-485 Interface Control ......................................................17
4
Memory Models .................................................................................19
5
Serial Interfaces .................................................................................21
5.1
RS-232 Interface.........................................................................21
5.2
RS-485 Interface.........................................................................21
6
On-Chip Flash Memory ....................................................................22
7
Serial EEPROM/SRAM/FRAM (U7) ..............................................23
8
Real-Time Clock RTC-8563 (U8).....................................................25
9
Reset Controller (U2) ........................................................................26
10
Remote Supervisory Chip (U9) ........................................................27
11
Battery Buffer ....................................................................................28
12
Technical Specifications....................................................................29
13
Hints for Handling the Module ........................................................31
14
The phyCORE-P89C51Rx2 on the
phyCORE Development Board LD 5V............................................33
14.1 Concept of the phyCORE Development Board LD 5V..............33 phyCORE-P89C51Rx2


©
PHYTEC Meßtechnik GmbH 2001 L-464e_4
14.2 Development Board LD 5V Connectors and Jumpers ............... 35
14.2.1 Connectors..................................................................... 35
14.2.2 Jumpers on the
phyCORE Development Board LD 5V......................... 36
14.2.3 Unsupported Features and Improper
Jumper Settings ............................................................. 38
14.3 Functional Components on the
phyCORE Development Board LD 5V ...................................... 39
14.3.1 Power Supply at X1....................................................... 39
14.3.2 Starting the Flash Programming Mode ......................... 41
14.3.3 First Serial Interface at Socket P1A .............................. 43
14.3.4 Power Supply to External Devices via Socket P1A ...... 44
14.3.5 Socket P1B .................................................................... 46
14.3.6 Plug P2A ....................................................................... 48
14.3.7 RS-485 Interface at Plug P2B ....................................... 50
14.3.8 Programmable LED D3................................................. 52
14.3.9 Pin Assignment Summary of the phyCORE,
the Expansion Bus and the Patch Field ......................... 53
14.3.10 Battery Connector BAT1............................................... 58
14.3.11 DS2401 Silicon Serial Number ..................................... 59
14.3.12 Pin Header Connector X4 ............................................. 60
Index............................................................................................................ 61 Table of Contents


©
PHYTEC Meßtechnik GmbH 2001 L-464e_4
Index of Figures and Tables
Figure 1: Block Diagram..............................................................................6
Figure 2: View of the phyCORE-P89C51Rx2 .............................................6
Figure 3: Pinout of the phyCORE-P89C51Rx2 (Top View) .......................7
Figure 4: Numbered Matrix Overview of the phyCORE-Connector
(Viewed from Above)...................................................................9
Figure 5: Numbering of the Jumper Pads...................................................13
Figure 6: Location of the Jumpers (Top View)..........................................13
Figure 7: Default Memory Model Following a Hardware Reset ...............19
Figure 8: Configuration of the I/O Area ....................................................20
Figure 9: Physical Dimensions (not Shown at Scale) ................................29
Figure 10: Modular Development and Expansion Board Concept
with the phyCORE-P89C51Rx2.................................................34
Figure 11: Location of Connectors on the
phyCORE Development Board LD 5V ......................................35
Figure 12: Numbering of Jumper Pads .............