Propox MMnet103 Manuel utilisateur

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Ethernet Minimodule

User’s

Manual

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Contents

1 INTRODUCTION ....................................................................................................................................... 3

PPLICATIONS

.............................................................................................................................................. 4

EATURES

.................................................................................................................................................... 4

2CONSTRUCTION OF THE MODULE ............................................................................................... 5

LOCK DIAGRAM

.......................................................................................................................................... 5

ODULE PIN

OUT

......................................................................................................................................... 6

MEGA

128

MICROCONTROLLER

............................................................................................................. 13

THERNET CONTROLLER

LAN91C111..................................................................................................... 13

EMORY CONTROLLER

.............................................................................................................................. 14

RAM

MEMORY

........................................................................................................................................... 19

ATA

LASH MEMORY

................................................................................................................................. 19

EAL

TIME CLOCK

...................................................................................................................................... 20

UPPLY OF POWER

.................................................................................................................................... 20

RESET

CIRCUIT

........................................................................................................................................ 20

LED

DIODES

............................................................................................................................................... 21

3CONNECTION OF THE MODULE WITH THE EXTERNAL WORLD....................................... 22

ONNECTION TO THE

THERNET NETWORK

............................................................................................. 22

RS-232

INTERFACE

................................................................................................................................... 22

RS-485

INTERFACE

................................................................................................................................... 23

USB

INTERFACE

........................................................................................................................................ 24

ADIO LINK

................................................................................................................................................. 24

LCD

DISPLAY

............................................................................................................................................. 25

XTERNAL PERIPHERALS ON THE SYSTEM BUS

......................................................................................... 26

4PROGRAMMING THE MODULE..................................................................................................... 27

ISP

CONNECTOR

........................................................................................................................................ 27

JTAG

CONNECTOR

.................................................................................................................................... 29

5AN APPLICATION EXAMPLE ......................................................................................................... 30

6EVALUATION BOARD...................................................................................................................... 31

7SPECIFICATIONS.............................................................................................................................. 31

8TECHNICAL ASSISTANCE ............................................................................................................. 32

9GUARANTEE ...................................................................................................................................... 32

10 ASSEMBLY DRAWINGS.............................................................................................................. 32

11 DIMENSIONS .................................................................................................................................. 34

12 SCHEMATICS ................................................................................................................................. 34

1 Introduction

Thank you very much for having bought our minimodule MMnet103. It was created with the idea

of facilitating the communication of microprocessor systems through the Internet/Ethernet

networks.

The heart of the module is the RISC Atmega128 microcontroller with 128kB of program memory

and 128kB of (external) RAM memory, co-operating with the Ethernet LAN91C111 controller

(100BaseTX). The memory controller built around a programmable CPLD device manages the

address space of the microcontroller, generates address strobe/selection signals used during

extension of the server by external I/O units, and serves the banking of RAM memory. The

minimodule has an 8 MB DataFlash serial memory for storage of WWW pages and of any files

e.g. with measurement data. The memory is connected to a fast SPI bus with 8 Mb/s transmission

speed. The MMnet103 has been equipped with a RTC clock built around the DS1307 device,

connected to the I2C bus. Together with the RTC circuit goes a socket for a lithium battery

providing many guaranteed years of uninterrupted clock operation.

MMnet103 operates under real-time control RTOS allowing to build applications with the use of

pseudo-concurrency in which different tasks are started and executed in the form of separate

threads. This permits an easy construction of applications which require parallel execution of

several tasks, for example servicing the TCP/IP stack and realizing the algorithm of control of an

industrial process. The RTOS system has an extended interface for handling peripheral

equipment, thanks to which the communication with them occurs via drivers registered in the

system. The system has drivers for the Ethernet controller, serial ports, the 1-Wire bus, the DS

1820 thermometer, LCD display RTC clock and DataFlash memory. The kernel of the RTOS

system and the TCP/IP stack together with implemented DHCP, UDP, ICMP, SMTP protocols and

HTTP with simple CGI-s were compiled to libraries.

The system incorporates a series of demonstration applications (WWW server, FTP, Telnet, TCP

client, TCP server, temperature monitoring and control, applications in the RTOS system) which

are basing on completed functions present in the IP stack and RTOS operating system libraries.

Attached libraries permit independent experiments (e.g. creation of web pages using the CGI

technique without penetrating the lower layers of the IP stack and the RTOS operating system).

The MMnet103 is delivered loaded with the WWW Server application and WWW demonstration

pages with examples of using CGI and Flash. The configuration of the server (MAC address, IP,

gateway, change of WWW page) can be effected remotely through serial RS232 or FTP ports.

Sources in C-language and ready libraries are attached to the server; they can be used to realize

one’s own projects. To modify and compile, the free C-compile GCC or C-compiler from

ImageCraft can be put into use.

We wish you nothing but success and a lot of satisfaction in designing and

developing new electronic equipment based on the MMnet103 minimodule.

Applications

The MMnet103 minimodule can be used as a design base for electronic circuits co-operating from the

Ethernet/Internet network, covering the following areas of interest:

•Industrial remote controlling and monitoring systems

•Telemetry

•Intelligent buildings

•Alarm systems

•Weather stations and environment monitoring

•Medical electronics

•Heating and air-conditioning systems

•Telecommunication

•Road traffic monitoring

•Remote data logging

•Home automation

The MMnet103 minimodule can be also used in didactic workshops of information and electronic schools,

illustrating the aspects of co-operation of electronic circuits from the Ethernet/Internet network, as well as be

used to construct thesis circuits.

Features

•Fast RISC microcontroller ATmega128 with up to 16 MIPS throughput

•Ethernet controller IEEE 802.3 10/100Mb/s LAN91C111

•Onboard RJ45 connector with integrated magnetics and LED diodes

•Onboard RS-232 interface with DB9F connector

•128kB of in circuit programmable FLASH program memory

•128KB of RAM memory

•4kB of EEPROM memory

•Serial DataFlash memory 32 or 64Mbit (4 or 8MBytes)

(1)

•Flexible memory controller, allowing suit address space to application requirements

•I2C Real Time Clock and battery socket

(1)

•Reliable reset circuit

•Crystal resonator 14.7456 or 16 MHz

•Crystal resonators 32.768 Hz for RTC and MCU internal timer/counter

•4 LED diodes indicating: power, LAN activity, DataFlash activity

•Fully SMD made on 4-layer PCB

•2 x 32 terminals with 0.1" (2.54mm) pitch fitting every prototype board

•Available free operating system with TCP/IP stack supporting many protocols

•Available evaluation board and sample applications

•Small dimensions: 56mm x 59mm

Remarks: 1. Assembled in dependence on the MMnet103 version

2 Construction of the module

Block diagram

The block diagram of the MMnet103 minimodule is shown in the drawing:

ATmega128

128kB RAM LAN91C111

DataFlash 1 DataFlash 2

RTC

memory

controller

16MHz 32kHz

32kHz

EEPROM

GND

PORTB

PORTD

BUS

PORTE

PORTF

Batt

RS-232

Figure 1 Block diagram of the MMnet103 minimodule.

The minimodule is sold in three basic versions, denoted with letters from A to C, or in accordance with

individual orders.

Module MMnet103- A contains:

•ATmega128 microcontroller

•Ethernet controller LAN91C111

•128kB RAM

Module MMnet103- B contains:

•ATmega128 microcontroller

•Ethernet controller LAN91C111

•128kB RAM

•One DataFlash 32Mb (4MB) memory

•Real Time Clock with socket for lithium battery

Module MMnet103- C contains:

•ATmega128 microcontroller

•Ethernet controller LAN91C111

•128kB RAM

•Two DataFlash memories with 64Mb (8MB) of total capacity

•Real Time Clock with socket for lithium battery

Individual orders coding:

MMnet103 – r – b – f – x – e

0 - without LAN91C111

1 - with LAN91C111

0 – without RTC

1 - RTC DS1307

0 - without DataFlash memory

1 - 32Mb DataFlash

2 - 2x32Mb DataFlash

0 – without battery socket

1 - with CR2023 battery socket

3.6864 - Crystal 3.6864 MHz

4 - Crystal 4 MHz

6 - Crystal 6 MHz

8 - Crystal 8 MHz

11.059 - Crystal 11.059 MHz

14.7456 - Crystal 14.7456 MHz

16 - Crystal 16 MHz

Module pin-out

Figure 2 Module pin-out – top view.

Function in MMnet103

Name

Function in MMnet103

AD7

1 2 AD6

AD5

3 4 AD4

AD3

5 6 AD2

AD1

7 8 AD0

9 10 A0

SEL2

11 12 SEL1

Interrupt from

LAN91C111 (optionally)

PE7/ INT7

13 14 PE6/ INT6

Interrupt from

LAN91C111

PE5/ INT5

15 16 PE4/ INT4

PE3/ AC-

17 18 PE2/ AC+

RS-232 – TxD

PE1/ PDO/TxD

19 20 PE0/ PDI/RxD

RS-232 – RxD

PF7/ ADC7/TDI

21 22 PF6/ ADC6/TDO

PF5/ ADC5/TMS

23 24 PF4/ ADC4/TCK

PF3/ADC3

25 26 PF2/ ADC2

PF1/ ADC1

27 28 PF0/ ADC0

AREF

29 30 AGND

A+5V

31 32 AGND

Function in MMnet103

Name

Function in MMnet103

+5V

1 2 GND

+3.3V

3 4 GND

Vbat

5 6 GND

7 8 NC

9 10 NC

LEDLINK

11 12 LEDACT

#RESET

13 14 LEDDF

#WR

15 16 #RD

PD7/T2

17 18 PD6/ T1

PD5

19 20 PD4/ IC1

PD3/#INT3/TxD1

21 22 PD2/#INT2/RxD1

RTC – SDA

PD1/#INT1/SDA

23 24 PD0/#INT0/SCL

RTC – SCL

PB7/ OC2/PWM2

25 26 PB6/OC1B/PWM1B

DataFlash2 - #CS

DataFlash1 – #CS

PB5/

OC1A/PWM1A

27 28 PB4/OC0/PWM0

DataFlash1/2 – MISO

PB3/ MISO

29 30 PB2/MOSI

DataFlash1/2 - MOSI

DataFlash1/2 – SCK

PB1/ SCK

31 32 PB0/#SS

No. Function

Alt. function Description

1 AD7

2 AD6

3 AD5

4 AD4

5 AD3

6 AD2

7 AD1

8 AD0

Data bus. Allows connecting externals peripherals mapped in

microcontroller address space. Peripheral addressing is done

with use of SEL1, SEL2 and/or A0, A1, #WR, #RD outputs.

9 A1

10 A0

Lowest two bits of address bus. Allows addressing 4 input and 4

output registers.

Note: outputs operate in 3.3V logic level standard.

11 SEL2

12 SEL1

Read/write strobe or address decoder outputs.

Note: outputs operate in 3.3V logic level standard.

13 PE7 INT7

PE7 – General purpose digital I/O

Alternative functions:

INT7 – External Interrupt source 7: The PE7 pin can serve as an

external interrupt source.

IC3 – Input Capture Pin3: The PE7 pin can act as an input

capture pin for Timer/Counter3.

14 PE6 INT6

PE6 – general purpose digital I/O

Alternative functions:

INT6 – External Interrupt source 6: The PE6 pin can serve as an

external interrupt source.

T3 – Timer/Counter3 counter source.

15 PE5 INT5

PE5 – general purpose digital I/O

Alternative functions:

INT5 – External Interrupt source 5: The PE5 pin can serve as an

External Interrupt source.

OC3C – Output Compare Match C output: The PE5 pin can serve

as an External output for the Timer/Counter3 Output Compare C.

The pin has to be configured as an output (DDE5 set “one”) to

serve this function. The OC3C pin is also the output pin for the

PWM mode timer function.

16 PE4 INT4

PE4 – general purpose digital I/O

Alternative functions:

INT4 – External Interrupt source 4: The PE4 pin can serve as an

External Interrupt source.

OC3B – Output Compare Match B output: The PE4 pin can serve

as an External output for the Timer/Counter3 Output Compare B.

The pin has to be configured as an output (DDE4 set (one)) to

serve this function. The OC3B pin is also the output pin for the

PWM mode timer function.

17 PE3 AC-

PE3 – general purpose digital I/O

Alternative functions:

AC- – Analog Comparator Negative input. This pin is directly

connected to the negative input of the Analog Comparator.

OC3A, Output Compare Match A output: The PE3 pin can serve

as an External output for the Timer/Counter3 Output Compare A.

The pin has to be configured as an output (DDE3 set “one”) to

serve this function. The OC3A pin is also the output pin for the

PWM mode timer function.

18 PE2 AC+

PE2 – general purpose digital I/O

Alternative functions:

AC+ – Analog Comparator Positive input. This pin is directly

connected to the positive input of the Analog Comparator.

XCK0, USART0 External clock. The Data Direction Register

(DDE2) controls whether the clock is output (DDE2 set) or input

(DDE2 cleared). The XCK0 pin is active only when the USART0

operates in Synchronous mode.

19 PE1 PDO/TxD

PE1 – general purpose digital I/O

Alternative functions:

PDO – SPI Serial Programming Data Output. During Serial

Program Downloading, this pin is used as data output line for the

ATmega128.

TXD0 – UART0 Transmit pin.

20 PE0 PDI/RxD

PE0 – general purpose digital I/O

Alternative functions:

PDI – SPI Serial Programming Data Input. During Serial Program

Downloading, this pin is used as data input line for the

ATmega128.

RXD0 – USART0 Receive Pin. Receive Data (Data input pin for

the USART0). When the USART0 receiver is enabled this pin is

configured as an input regardless of the value of DDRE0. When

the USART0 forces this pin to be an input, a logical one in

PORTE0 will turn on the internal pull-up.

21 PF7 ADC7

PF7 – general purpose digital I/O

Alternative functions:

ADC7 – Analog to Digital Converter, Channel 7.

TDI – JTAG Test Data In: Serial input data to be shifted in to the

Instruction Register or Data Register (scan chains). When the

JTAG interface is enabled, this pin can not be used as an I/O pin.

22 PF6 ADC6

PF6 – general purpose digital I/O

Alternative functions:

ADC6 – Analog to Digital Converter, Channel 6.

TDO – JTAG Test Data Out: Serial output data from Instruction

this pin can not be used as an I/O pin. The TDO pin is tri-stated

unless TAP states that shift out data are entered.

23 PF5 ADC5

PF5 – general purpose digital I/O

Alternative functions:

ADC5 – Analog to Digital Converter, Channel 5.

TMS – JTAG Test Mode Select: This pin is used for navigating

through the TAP-controller state machine. When the JTAG

interface is enabled, this pin can not be used as an I/O pin.

24 PF4 ADC4

PF4 – general purpose digital I/O

Alternative functions:

ADC4 – Analog to Digital Converter, Channel 4.

TCK – JTAG Test Clock: JTAG operation is synchronous to TCK.

When the JTAG interface is enabled, this pin can not be used as

an I/O pin.

25 PF3 ADC3

PF3 – general purpose digital I/O

Alternative functions:

ADC3 – Analog to Digital Converter, Channel 3.

26 PF2 ADC2

PF2 – general purpose digital I/O

Alternative functions:

ADC2 – Analog to Digital Converter, Channel 2.

27 PF1 ADC1

PF1 – general purpose digital I/O

Alternative functions:

ADC1 – Analog to Digital Converter, Channel 1.

28 PF0 ADC0

PF0 – general purpose digital I/O

Alternative functions:

ADC0 – Analog to Digital Converter, Channel 0.

29 AREF Analog reference voltage for the A/D converter

30 AGND Analog ground (internally connected with digital ground GND)

31 A+5V

+5V power supply for analog circuits. Connected internally with

+5V through LP filter. External analog circuits can use this

voltage.

32 AGND Analog ground (internally connected with digital ground GND)

No. Function

Alt. function Description

1 +5V Power supply input +5V

2 GND Ground

3 +3.3V Output of +3.3V voltage from internal regulator. Can be used to

power external peripherals, which requires +3.3V.

4 GND Ground

5 Vbat

Battery voltage sustaining the operation of the RTC clock. If a

battery is mounted on the module, this lead-out can be used as a

source of power for peripherals external to the module. If there is

no battery on the module, the TC clock can be supplied from an

external battery or another emergency power source.

6 GND Ground

7 NC

8 NC Not connected.

9 NC

10 NC Not connected.

11 LEDLINK

The output of the LEDLINK diode driving signal (indicating

connection to the Ethernet network). It can be used to connect an

additional diode, e.g. led out externally to the device case.

12 LEDACT

The output of the LEDACT diode driving signal (indicating activity

of the module in Ethernet network). It can be used to connect an

additional diode, e.g. led out externally to the device case.

13 #RESET Input/output of RESET signal

14 LEDDF

The output of the LEDDF diode driving signal (indicating activity

of the DataFlash memory). It can be used to connect an

additional diode, e.g. led out externally to the device case.

15 #WR Write strobe.

16 #RD Read strobe.

17 PD7 T2

PD7 – general purpose digital I/O

Alternative functions:

T2 – Timer/Counter2 counter source.

18 PD6 T1

PD6 – general purpose digital I/O

Alternative functions:

T1 – Timer/Counter1 counter source.

19 PD5 PD5 – general purpose digital I/O

20 PD4 IC1

PD4 – general purpose digital I/O

Alternative functions:

XCK1 – USART1 External clock. The Data Direction Register

(DDD4) controls whether the clock is output (DDD4 set) or input

(DDD4 cleared). The XCK1 pin is active only when the USART1

operates in Synchronous mode.

IC1 – Input Capture Pin1: The PD4 pin can act as an input

capture pin for Timer/Counter1.

21 PD3 #INT3/TxD1

PD3 – general purpose digital I/O

Alternative functions:

INT3 – External Interrupt source 3: The PD3 pin can serve as an

external interrupt source to the MCU.

TXD1 – Transmit Data (Data output pin for the USART1). When

the USART1 Transmitter is enabled, this pin is configured as an

output regardless of the value of DDD3.

22 PD2 #INT2/RxD1

PD2 – general purpose digital I/O

Alternative functions:

INT2 – External Interrupt source 2. The PD2 pin can serve as an

External Interrupt source to the MCU.

RXD1 – Receive Data (Data input pin for the USART1). When the

USART1 receiver is enabled this pin is configured as an input

regardless of the value of DDD2. When the USART forces this

pin to be an input, the pull-up can still be controlled by the

PORTD2 bit.

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