COM20019 Datasheet, PDF (24/81 Pages) SMSC Corporation – Low Cost ARCNET (ANSI 878.1) 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
MSB
RI/TRI
Table 2 - Read Register Summary
READ
X/RI
X/TA
POR TEST RECON
TMA
MY-
RECON
RD-
DATA
A7
DUPID
AUTO-
INC
A6
RCV-
ACT
X
A5
TOKEN
X
A4
EXC-
NAK
X
A3
TENTID
A10
NEW
NEXTID
A9
A2
A1
LSB
TA/
TTA
X
A8
A0
D7
D6
D5
X
X
X
RESET CCHEN TXEN
TID7
NID7
P1
MODE
NXT
ID7
RBUS-
TMG
TID6
NID6
FOUR
NAKS
NXT
ID6
X
TID5
NID5
X
NXT
ID5
X
D4
X
ET1
TID4
NID4
RCV-
ALL
NXT
ID4
X
D3
X
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
24
DISCONTINUED DATASHEET