com20020-5 Standard Microsystems Corp., com20020-5 Datasheet - Page 20

• Manufacturer Part Number: com20020-5
• Description: Com20020-5 Ulanc Universal Local Area Network Controller With 2k X 8 On-board Ram
• Manufacturer: Standard Microsystems Corp.

Note: The SLOWARB bit of the Setup Register must be set for 5Mbps
operation.
TENTID
NODEID
SETUP
STATUS
DIAG.
STATUS
ADDRESS
PTR
HIGH
ADDRESS
PTR
LOW
DATA
RESERVED
CONFIG-
URATION
NEXT
ID
REGISTER
P1MODE
RDDATA
NXTID7
RECON
RESET
TID7
NID7
MSB
MY-
A7
D7
RI
X
NXTID6
CCHEN
DUPID
AUTO-
FOUR
NID6
NAKS
TID6
INC
A6
D6
X
X
TABLE 1 - READ REGISTER SUMMARY
RCVACT
NXTID5
TXEN
TID5
NID5
ET3
A5
D5
X
X
X
NXTID4
TOKEN
NID4
RCV_
TID4
POR
ET1
ALL
A4
D4
X
X
READ
EXCNAK
NXTID3
20
NID3
TEST
CKP3
TID3
ET2
A3
D3
X
X
NXTID2
RECON
TENTID
PLANE
BACK-
TID2
CKP2
NID2
A10
A2
D2
X
NEXTID
NXTID1
CKP1
NEW
SUB-
TID1
NID1
TMA
AD1
A9
A1
D1
X
NXTID0
SLOW
TID0
NID0
SUB-
AD0
ARB
LSB
TA
A8
A0
D0
X
X
ADDRESS
00
01
02
03
04
05
06
07