COM20020D Datasheet, PDF (23/72 Pages) SMSC Corporation – ULANC Revision D Universal Local Area Network Controller with 2K x 8 On-Board RAM

REGISTER
STATUS
DIAG.
STATUS
ADDRESS
PTR HIGH
ADDRESS
PTR LOW
DATA
SUB ADR
CONFIG-
URATION
TENTID
NODE ID
SETUP1
NEXT ID
SETUP2
Table 2 - Read Register Summary
READ
MSB
LSB
RI/TRI X/RI
X/TA
POR
TEST RECON TMA
TA/
TTA
MY- DUPID RCV- TOKEN EXC- TENTID NEW
X
RECON
ACT
NAK
NEXTID
RD- AUTO-
X
X
X
A10
A9
A8
DATA
INC
A7
A6
A5
A4
A3
A2
A1
A0
D7
D6
D5
D4
(R/W)*
0
0
0
RESET CCHEN TXEN
ET1
TID7
NID7
P1
MODE
NXT
ID7
RBUS-
TMG
TID6
NID6
FOUR
NAKS
NXT
ID6
X
TID5
NID5
X
NXT
ID5
CKUP1
TID4
NID4
RCV-
ALL
NXT
ID4
CKUP0
D3
(R/W)*
ET2
TID3
NID3
CKP3
NXT
ID3
EF
D2
SUB-
AD2
BACK-
PLANE
TID2
NID2
CKP2
NXT
ID2
NO-
SYNC
D1
SUB-
AD1
SUB-
AD1
TID1
NID1
CKP1
NXT
ID1
RCN-
TM1
D0
SUB-
AD0
SUB-
AD0
TID0
NID0
SLOW-
ARB
NXT
ID0
RCM-
TM2
ADDR
00
01
02
03
04
05
06
07-0
07-1
07-2
07-3
07-4
Note*: (R/W) This bit can be Written or Read. For more information see Appendix C.
23