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ENC28J60 LAN Adapter interface for DC Serial (SPI I/F)

The original article, written by jj1odm, is available at http://jj1odm.sizious.com/

Dreamcast's profile picture
Published in 
Dreamcast
 · 16 Sep 2018

SPI インターフェースの LAN コントローラ ENC28J60 を接続してみました。
ソフト SPI ではクロック 5.2MHz 位が限界ですが dcload-ip 移植して動作しています。(規格では 8MHz 以上)
MACアドレスは格納するハードが無い為クローズした環境で使う事を前提に適当なアドレスを使用しています。
(EEPROM のCSが正論理なので ENC28J60 とパラに接続する事も出来ますが、ソフト側に持たせることにしました)

dcload-ip 1.0.4 target binary (ENC28J60 LAN Adapter only):
 2010/1/23 1st_read.bin (flat binary) -- default IP 192.168.1.234 / use fixed MAC address 00:bd:3b:12:34:56
transfer speed: upload - 290Kbytes/sec : download - 500Kbytes/sec

ENC28J60 LAN Adapter circuit for DC Serial.
Pin it
ENC28J60 LAN Adapter circuit for DC Serial.
10 Base-T filter (transformer) LF-161C / 20F001N.
Pin it
10 Base-T filter (transformer) LF-161C / 20F001N.
ENC28J60 LAN Adapter interface for DC Serial (SPI I/F)
Pin it
ENC28J60 LAN Adapter interface for DC Serial (SPI I/F)
Pin it
ENC28J60 LAN Adapter interface for DC Serial (SPI I/F)
Pin it
ENC28J60 LAN Adapter interface for DC Serial (SPI I/F)
Pin it
ENC28J60 LAN Adapter interface for DC Serial (SPI I/F)
Pin it
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