com90c66 Standard Microsystems Corp., com90c66 Datasheet - Page 24

• Manufacturer Part Number: com90c66
• Description: Arcnet Controller/transceiver With At Interface And On-chip Ram Corporation
• Manufacturer: Standard Microsystems Corp.

BIT
3-0
WRITTEN DATA
6,
7
5
4
0000 0000
0000 0001
0000 0010
My Reconfiguration MY-
Receive Activity
Token Seen
(not used)
BIT NAME
CLEAR TRANSMIT
INTERRUPT
DISABLE
TRANSMITTER
DISABLE
RECEIVER
COMMAND NAME
SYMBOL
RECON
RCVACT This bit, if high, indicates that receive activity (data transition)
TOKEN
Table 6 - Diagnostic Status Register
Table 7 - Command Register
This bit, if high, indicates that the reconfiguration that has just
occurred was caused by this node. This bit is set when the
Token Reception Timer times out. This bit is typically read
after the RECON bit of the Status Register is found to be set.
for further details.
is detected on the RXIN pin of the device. This bit may be
used in diagnostic troubleshooting of the network or node.
Refer to the Improved Diagnostics section of this document
for further details.
This bit, if high, indicates that a token has been seen on the
network, sent by a node other than this node. This bit may
be used in diagnostic troubleshooting of the network or node.
for further details.
These bits are undefined.
Refer to the Improved Diagnostics section of this document
Refer to the Improved Diagnostics section of this document
This command is only used in the Command Chaining
operation.
section of this document for definition of this command.
This command will cancel any pending transmit
command (transmission that has not yet started) and will
set the TA (Transmitter Available) status bit to logic "1"
when the COM90C66 next receives the token.
This
command.
packet, the RI (Receiver Inhibited) bit will be set to logic
"1" the next time the token is received. If packet reception
is already underway, reception will run to its normal
conclusion.
24
command
Please refer to the Command Chaining
If the COM90C66 is not yet receiving a
will
DESCRIPTION
DESCRIPTION
cancel
any
pending
receive