PIC18F97J60 Datasheet, PDF (212/474 Pages) Microchip Technology – 64/80/100-Pin, High-Performance, 1 Mbit Flash Microcontrollers with Ethernet

PIC18F97J60 FAMILY
FIGURE 18-4:
ETHERNET BUFFER ORGANIZATION
Transmit Buffer Start
(ETXSTH:ETXSTL)
0000h
Buffer Write Pointer
(EWRPTH:EWRPTL)
Transmit Buffer End
(ETXNDH:ETXNDL)
Receive Buffer Start
(ERXSTH:ERXSTL)
AAh
Transmit
Buffer
Write Buffer Data
(data AAh moved to EDATA)
Buffer Read Pointer
(ERDPTH:ERDPTL)
Receive
Buffer
(Circular FIFO)
55h
Read Buffer Data
(data 55h moved out of EDATA)
Receive Buffer End
(ERXNDH:ERXNDL)
1FFFh
DS39762A-page 210
Advance Information
© 2006 Microchip Technology Inc.