SJA1000/N1 NXP Semiconductors, SJA1000/N1 Datasheet - Page 15
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SJA1000/N1
Manufacturer Part Number
SJA1000/N1
Description
Manufacturer
NXP Semiconductors
Datasheet
1.SJA1000N1.pdf
(68 pages)
Specifications of SJA1000/N1
Data Rate
1000Kbps
Number Of Transceivers
1
Power Down Mode
Sleep
Standard Supported
CAN 2.0B
Operating Supply Voltage (max)
5.5V
Operating Supply Voltage (typ)
5V
Operating Supply Voltage (min)
4.5V
Package Type
PDIP
Supply Current
15mA
Operating Temperature (max)
125C
Operating Temperature (min)
-40C
Operating Temperature Classification
Automotive
Mounting
Through Hole
Pin Count
28
Lead Free Status / RoHS Status
Compliant
Philips Semiconductors
6.3.5
The content of the status register reflects the status of the SJA1000. The status register appears to the microcontroller
as a read only memory.
Table 5 Bit interpretation of the status register (SR); CAN address 2
2000 Jan 04
SR.7
SR.6
SR.5
SR.4
SR.3
SR.2
SR.1
SR.0
Stand-alone CAN controller
BIT
S
TATUS
BS
ES
TS
RS
TCS
TBS
DOS
RBS
SYMBOL
R
EGISTER
Bus Status; note 1
Error Status; note 2
Transmit Status; note 3
Receive Status; note 3
Transmission Complete
Status; note 4
Transmit Buffer Status;
note 5
Data Overrun Status;
note 6
Receive Buffer Status;
note 7
(SR)
NAME
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
VALUE
15
bus-off; the SJA1000 is not involved in bus
activities
bus-on; the SJA1000 is involved in bus activities
error; at least one of the error counters has
reached or exceeded the CPU warning limit
ok; both error counters are below the warning limit
transmit; the SJA1000 is transmitting a message
idle; no transmit message is in progress
receive; the SJA1000 is receiving a message
idle; no receive message is in progress
complete; the last requested transmission has
been successfully completed
incomplete; the previously requested transmission
is not yet completed
released; the CPU may write a message into the
transmit buffer
locked; the CPU cannot access the transmit
buffer; a message is waiting for transmission or is
already in process
overrun; a message was lost because there was
not enough space for that message in the RXFIFO
absent; no data overrun has occurred since the
last clear data overrun command was given
full; one or more messages are available in the
RXFIFO
empty; no message is available
FUNCTION
Product specification
SJA1000