ENC28J60-H development board Users Manual All boards produced by Olimex are ROHS compliant Rev.
INTRODUCTION ENC28J60-H is world’s smallest Ethernet controller development board with it’s size of only 30x24 mm. It provides easy connection to any microcontroller with only few ports via SPI which makes it perfect for adding Ethernet connectivity to embedded applications.
BLOCK DIAGRAM Page 3
MEMORY MAP Page 4
18pF C2 +3.3V 18pF 100nF C4 3.3V C1 +3.3V 25MHz Q1 C5 C6 C7 C8 GND_ GND Page 5 + SCK MOSI MISO WOL INT 10uF C3 2.2k/1% R2 RST CS 10 9 8 7 6 2 21 11 18 14 1 28 20 19 15 25 24 23 22 10 9 R9 10K +3.3V 1 00nF 1 00nF 1 00nF 1 00nF 3.3V GND RST CS CLKOUT +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 49.9/1% R6 10nF R8 C10 49.9/1% R5 49.
POWER SUPPLY CIRCUIT ENC28J60-H is typically power supplied by EXT pin 10 and pin 9. RESET CIRCUIT ENC28J60-H reset circuit includes EXT connector pin 8, U1 pin 10 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.
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 Page 8
AVAILABLE DEMO SOFTWARE Microchip's TCP-IP stack full featured TCP-IP stack, very easy to configure use with PIC microcontrollers. – AVR fans now have also demo code for driving ENC28J60 with Bascom thanks to Ben Zijlstra from Netherlands – Our development boards PIC-WEB and PIC-MINI-WEB use ENC28J60 – uIP1.
ORDER CODE ENC28J60-H – 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: Board's revision: Rev. B Manual's revision: Rev.
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