MOD-ENC28J60 development board Users Manual All boards produced by Olimex are ROHS compliant Rev.
INTRODUCTION MOD-ENC28J60 is development board with UEXT connector and 10 Mbit ENC28J60 ethernet controller from Microchip Technology Inc.
Ethernet Controller Features MOD-ENC28J60 board use ENC28J60 stand-alone ethernet controller with these features: – IEEE 802.3.
BLOCK DIAGRAM Page 4
MEMORY MAP Page 5
18pF C2 +3.3V 18pF 100nF C4 3.3V C1 +3.3V 25MHz Q1 C5 C6 C7 C8 GND_ GND Page 6 + SCK MOSI MISO WOL INT 10uF C3 10 9 8 7 6 2.2k/1% R2 RST CS 2 21 11 18 14 1 28 20 19 15 25 24 23 22 10 9 R9 10K +3.3V +3.3V #WOL #INT CLKOUT SCK SI SO TPOUT+ TPOUT- TPIN+ TPIN- LEDA LEDB 5 4 3 WOL INT CLKOUT SCK MOSI MISO TPOUT+ TPOUT- 17 16 8 7 6 TPIN+ TPIN- LEDA LEDB 13 12 27 26 R7 180 LEDA 100nF 100nF 100nF 100nF 49.9/1% R6 INT MISO SCK NA +3.
BOARD LAYOUT POWER SUPPLY CIRCUIT MOD-ENC28J60 is typically power supplied by UEXT pin 1 and pin 2 and by EXT pin 10 and pin 9. RESET CIRCUIT MOD-ENC28J60 reset circuit includes pin 6 of UEXT connector, pin 10 of U1 and R9 (10k). CLOCK CIRCUIT Quartz crystal 25 MHz is connected to ENC28J60 pin 23 (OSC1) and pin24 (OSC2). JUMPER DESCRIPTION There are no jumpers on this board.
CONNECTOR DESCRIPTIONS UEXT Pin # Signal Name 1 3.
EXT Pin# Signal Name Pin# Signal Name 1 SCK 6 CLKOUT 2 MOSI 7 CS 3 MISO 8 RST 4 WOL 9 GND 5 INT 10 3.
MECHANICAL DIMENSIONS All measures are in inches.
AVAILABLE DEMO SOFTWARE • Microchip's TCP-IP stack full featured TCP-IP stack, very easy to configure and use with PIC microcontrollers. • AVR fans now have also demo code for driving ENC28J60 with Bascom thanks to Ben Zijlstra from Netherlands • uIP1.
ORDER CODE MOD-ENC28J60 – completely assembled and tested, includes ENC28J60 Ethernet controller How to order? You can order to us directly or by any of our distributors. Check our web www.olimex.com/dev for more info. Revision history: REV.
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