COM20051I Datasheet, PDF (59/74 Pages) SMSC Corporation – Integrated Microcontroller and ARCNET (ANSI 878.1) Interface

PACKET COPY
SET HI_ADDR FOR
WRITE AT TX PAGE
WITH AUTOINC SET
& LO_ADDR = 00H
SET DPTR = START
OF TX BUFFER
READ DATA,
INCREMENT
DPTR & SAVE DPTR
WRITE DATA TO
ARCNET RAM
READ
LO_ADDR_REG
N
LO_ADDR =
00H
RET
FIGURE 20 – EXTERNAL TRANSMIT ROUTINE (continued)
SMSC DS – COM20051I
Page 59
Rev. 03/27/2000