Mikroeth Manual v101
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Transcript of Mikroeth Manual v101
MikroElektronika
mikroETH™
Manual
All Mikroelektronika’s development systems feature a large number of peripheral modules expanding microcontroller’s range of application and making the process of program testing easier. In addition to these modules, it is also possible to use numerous additional modules linked to the development system through the I/O port connectors. Some of these additional modules can operate as stand-alone devices without being connected to the microcontroller.
Addi
tiona
l Boa
rd
MikroElektronika
mikroETH Additional BoardThe mikroETH additional board is used to connect a microcontroller to Ethernet network. mikroETH is connected to the development system via a proto board, but it can also be directly connected to the microcontroller provided in some device. The mikroETH board features three connectors. Two male 1x5 connectors are used for connection with the proto board or a device, while the RJ45 connector is used for connection with Ethernet network.
Communication between the microcontroller and Ethernet network is established via the ENC28J60 ethernet controller provided on the mikroETH board. This controller enables data to be transferred from Ethernet network to the microcontroller and vice versa using serial SPI communication. In Figure 4, the mikroETH board is connected to the microcontroller via the SPI communication module built into the microcontroller.
LEDAGND
VCCVCAP
LEDBCLKOUT
OSC-VCCINT
OSC2WOL
OSC-GNDSI
PLL-GND
PLL-VCC
RX-VCC
TX-GND
TPOUT+
TPOUT-
TX-VCC
SCK
CS
RESET
GND-RX
TPIN-
TPIN+
RBIAS
OSC1SO
E210uF
INT#
CS#
RST
#MISO
INT#
MOSI
SCK
MISOMOSISCKCN1
1
10 CS#RST#
U1
R3
2K2 R4
2K2
ENC28J60
VCC
VCC
VCC
FP1
RJ45
TD+
CN3
A2A2
K2
A1A1
K1
CTTD-
RD+CTRD-
R551
R651
R751
R851
C310nF
C410nF
X125MHz
C1
22pF
C2
22pF
R21K2
R1
1K2
R12R10R11R13
4x100R
C5
100nF
VCC
C6
100nF
VCC
C7
100nF
VCC
LD1 LD2
Figure 4: Additional board mikroETH connection schematic
Figure 1: mikroETH additional board
19,2
5mm
42,53mm
Figure 3: mikroETH connected to a ethernet cableFigure 2: mikroETH board’s dimensions
MikroElektronika
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