EVBnet03_en.pdf
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E V B
E V B n e t0 3
n e t0 3
Evaluation Board for
MMnet03/04/103/104
User
Guide
R
REV 0.8
Many ideas one solution
Contents
1 INTRODUCTION
....................................................................................................................................... 3
F
EATURES
.................................................................................................................................................... 3
2
THE BOARD
.......................................................................................................................................... 4
P
LACEMENT OF ELEMENTS ON THE BOARD
................................................................................................. 4
A
RRANGEMENT ON LEAD
-
OUTS
................................................................................................................... 5
B
OARD SUPPLY
............................................................................................................................................ 6
LED
DIODES
................................................................................................................................................. 6
P
USH
-
BUTTONS
............................................................................................................................................ 7
LCD
DISPLAY
............................................................................................................................................... 7
P
OTENTIOMETERS
........................................................................................................................................ 8
B
UZZER
........................................................................................................................................................ 8
RESET
BUTTON
.......................................................................................................................................... 9
USB
INTERFACE
.......................................................................................................................................... 9
1-W
IRE
I
NTERFACE
.................................................................................................................................... 10
ISP
AND
JTAG
CONNECTORS
................................................................................................................... 10
3
TECHNICAL ASSISTANCE
............................................................................................................. 12
4
GUARANTEE
...................................................................................................................................... 12
5
BOARD LAYOUT AND DIMENSIONS
........................................................................................... 13
6
SCHEMATICS
..................................................................................................................................... 13
1
Introduction
The EVBnet03 board was created with the aim of providing a hardware base for a designer of
systems relying on the MMnet03/04/103/104 minimodules, allowing to realize and verify quickly
one’s own ideas. Having this in mind, the board has been designed in such a way that the user
has access to all terminals of the module which are led out to connectors. The board houses also
such peripherals as: LEDs, push-buttons, potentiometers, a LCD display, a USB interface, a 1-
Wire connector. All these elements are accessible through pin connectors, permitting their
connection with any processor port. The board has also a large prototype area which permits the
designer to connect other elements in any configuration. Due to the incision (v-cut) between the
prototype area and the rest of the board, the prototype part can be broken off. The board contains
also a power supply which relieves the user from the need to provide a regulated supply voltage.
Together with the board, we deliver source codes of the Nut/OS together with the TCP/IP stack as
well as demonstration software.
The EVBnet03 along with the MMnet03/04/103/104 minimodule can be also used in didactic
laboratories of informatics colleges and universities, illustrating aspects of co-operation of
electronic circuits with the Ethernet/Internet networks. It can be also used to build circuits realizing
thesis projects.
Features
Socket for the MMnet03/04/103/104 module
·
·
Connector with all terminals of the MMnet module
·
Connectors of all peripherals accessible on board
·
+5V power supply
·
Power switch
·
USB port (with use of MMusb232 minimodule)
·
1-Wire connector
·
Connector for In System Programming
·
Multiplexer separating the ISP connector from the rest of the system
·
JTAG connector for in system programming and debugging
·
connector for 2x16 LCD display
·
8 LED diodes
·
4 push-buttons
·
2 potentiometers
·
Buzzer
·
Prototype design area
3
2
The board
Placement of elements on the board
Figure 1
Placement of elements on the EVBnet03 board.
1. Prototype area
2. Connector with led-out MMnet03/04/103/104 module terminals
3. MMnet03/04/103/104 minimodule
4. MMusb232 minimodule
5. Supply connector
6. Power switch
7. Programming connector in the JTAG system
8. Programming/emulation connector in the JTAG system
9. LCD display
10. LED diodes
11. Push-buttons
12. Potentiometers
13. RESET button
14. 1-Wire connector
15. Peripheral connectors
16. Buzzer
4
Arrangement on lead-outs
Name
Name
Function in MMnet03
Function in MMnet03
+5V
1
2
GND
+3.3V
3
4
GND
Vbat
5
6
GND
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
PD1/#INT1/SDA
23
24
#INT0/SCL
RTC – SDA
RTC – SCL
PB7/ OC2/PWM2
25
26
OC1B/PWM1B
DataFlash2 - #CS
PB5/ OC1A/PWM1A
27
28
OC0/PWM0
DataFlash1 – #CS
PB3/ MISO
29
30
MOSI
DataFlash1/2 – MISO
DataFlash1/2 - MOSI
PB1/ SCK
31
32
PB0/#SS
DataFlash1/2 – SCK
AD7
1
2
AD6
3
4
AD5
AD4
AD3
5
6
AD2
AD1
7
8
AD0
A1
9
10
A0
11
12
SEL2
SEL1
Interrupt from RTL8019AS
PE7/ INT7
13
14
PE6/ INT6
Interrupt from RTL8019AS
(opt.)
15
16
PE5/ INT5
PE4/ INT4
PE3/ AC-
17
18
PE2/ AC+
PE1/ PDO/TPD
19
20
PE0/ PDI/RxD
PF7/ ADC7/TDI
21
22
PF6/ ADC6/TDO
PF5/ ADC5/TMS
23
24
PF4/ ADC4/TCK
25
26
PF3/ADC3
PF2/ ADC2
PF1/ ADC1
27
28
PF0/ ADC0
AREF
29
30
AGND
A+5V
31
32
AGND
5
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