ENC28J60-C/ML 데이터 시트보기 (PDF) - Microchip Technology

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ENC28J60-C/ML

Stand-Alone Ethernet Controller with SPI Interface

Microchip Technology 

ENC28J60

FIGURE 3-2:

ETHERNET BUFFER ORGANIZATION

Transmit Buffer Start

(ETXSTH:ETXSTL)

Buffer Write Pointer

(EWRPTH:EWRPTL)

Transmit Buffer End

(ETXNDH:ETXNDL)

Receive Buffer Start

(ERXSTH:ERXSTL)

AAh

Transmit

Buffer

0000h

Transmit Buffer Data

(WBM AAh)

Buffer Read Pointer

(ERDPTH:ERDPTL)

Receive

Buffer

(Circular FIFO)

55h

Receive Buffer Data

(RBM 55h)

Receive Buffer End

(ERXNDH:ERXNDL)

1FFFh

DS39662B-page 18

Preliminary

© 2006 Microchip Technology Inc.

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