Datasheet

PIC18F97J60 FAMILY
DS39762F-page 224  2011 Microchip Technology Inc.
FIGURE 19-5: 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
Write Buffer Data
Buffer Read Pointer
(ERDPTH:ERDPTL)
Read Buffer Data
(Circular FIFO)
55h
(data 55h moved out of EDATA)
(data AAh moved to EDATA)