COM20051ILJ View Datasheet(PDF) - SMSC -> Microchip
Part Name
Description
MFG CO.
'COM20051ILJ' PDF : 74 Pages View PDF
TRANSMIT
READ STATUS
REGISTER
N
TA BIT
Y
CHK TTA BIT
SET?
(FOR CMD. CHAIN
ONLY)
READ TX_PEND_REG
SET BIT 6 OF
TX_PEND
AND STORE
BIT6 & BIT 5
SET?
N
BIT 5
SET?
Y
SET BIT 6 OF
TX_PEND_REG
AND STORE
CMD. CHAIN
SET?
N
UNMASK
TA
INTERRUPT
RET
ENABLE TO
TX COMMAND
SET OFFSET OF TX
PAGE
SET OFFSET OF TX
PAGE
SET OFFSET OF TX
PAGE
SET OFFSET OF TX
PAGE
FIGURE 20 – EXTERNAL TRANSMIT ROUTINE
BIT 0 SET?
BIT 1 SET?
BIT 2 SET?
SMSC DS – COM20051I
Page 58
Rev. 03/27/2000
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