COM20051 Datasheet, PDF (25/82 Pages) List of Unclassifed Manufacturers – Integrated Microcontroller and ARCNET (ANSI 878.1) Interface

Table 3 - Cleaning Interrupt Bit
Interrupt Type
Cleaning Interrupt Bit
RI
Issue "Enable Receive to Page Fnn" command
EXCNAK Issue "Clean Flags" Command with "p" bit set
RECON Issue "Clear Flags" Command with "r" bit set
New Next ID Read New Next ID Register
TA
Issue "Enable Transmit From Page Fnn"
Command
Table 4 – Read Register Summary
REGISTER MSB
READ
LSB
STATUS
RI
X
X
POR TEST RECON TMA
TA
DIAG.
STATUS
M Y-
NEW
RECON ^{DUPID RCVACT TOKEN EXCNAK TENTID} NEXTID
X
ADDRESS
AUTO-
PTR
RDDATA _INC
X
X
X
X
A9
A8
HIGH
ADDRESS
PTR
LOW
A7
A6
A5
A4
A3
A2
A1
A0
DATA
D7
D6
D5
D4
D3
D2
D1
D0
OFFSET
ADDRESS
00
01
02
03
04
RESERVED
X
X
X
X
X
X
X
X
05
CONFIG-
URATION
RESET CCHEN TXEN
ET1
ET2
BACK-
PLANE
SUB-
AD1
SUB-
AD0
06
TENTID
TID7
TID6
TID5
TID4
TID3
TID2
TID1
TID0
NODEID
NID7 NID6
NID5
NID4
NID3
NID2
NID1
NID0
SETUP
P1MODE
FOUR
NAKS
ET3
RCV_
ALL
CKP3
CKP2
CKP1
SLOW
ARB
07
NEXT ID
NXTID7 NXTID6 NXTID5 NXTID4 NXTID3 NXTID2 NXTID1 NXTID0
RESERVED
X
X
X
X
X
X
X
X
08
IRR
X
5MBS DEC3 DEC2 DEC1
EXT
INT1
INT0
09
NOTE: The SLOWARB bit must be set for 5 Mbps operation.
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