Datasheet

ENC28J60
DS39662E-page 18 .  2006-2012 Microchip Technology Inc.
FIGURE 3-2: ETHERNET BUFFER ORGANIZATION
Transmit
Buffer
0000h
1FFFh
Transmit Buffer Start
(ETXSTH:ETXSTL)
Transmit Buffer End
(ETXNDH:ETXNDL)
Receive Buffer Start
(ERXSTH:ERXSTL)
Receive Buffer End
(ERXNDH:ERXNDL)
Receive
Buffer
Buffer Write Pointer
(EWRPTH:EWRPTL)
AAh
Transmit Buffer Data
(WBM AAh)
Buffer Read Pointer
(ERDPTH:ERDPTL)
Receive Buffer Data
(RBM 55h)
(Circular FIFO)
55h