CP3BT26G18NEPX/NOPB National Semiconductor, CP3BT26G18NEPX/NOPB Datasheet - Page 115
CP3BT26G18NEPX/NOPB
Manufacturer Part Number
CP3BT26G18NEPX/NOPB
Description
Manufacturer
National Semiconductor
Datasheet
1.CP3BT26G18NEPXNOPB.pdf
(280 pages)
Specifications of CP3BT26G18NEPX/NOPB
Operating Temperature (min)
-40C
Operating Temperature (max)
85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
128
Package Type
LQFP
Lead Free Status / RoHS Status
Compliant
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A CAN data frame consists of the following fields:
! Start of Frame (SOF)
! Arbitration Field + Extended Arbitration
! Control Field
! Data Field
! Cyclic Redundancy Check Field (CRC)
A remote frame is comprised of the following fields, which is
the same as a data frame (see CAN Frame Fields on page
113) except for the data field, which is not present.
! Start of Frame (SOF)
! Arbitration Field + Extended Arbitration
! Control Field
! Cyclic Redundancy Check Field (CRC)
! Acknowledgment field (ACK)
! End of Frame (EOF)
Note that the DLC must have the same value as the corre-
sponding data frame to prevent contention on the bus. The
RTR bit is “recessive”.
Note:
d = dominant
r = recessive
d
IDENTIFIER
28 ... 18
11
Note:
d = dominant
r = recessive
d
r r
Arbitration Field
Arbitration Field
IDENTIFIER
10 ... 0
11
Figure 42. Extended Remote Frame
Figure 41. Standard Remote Frame
EXTENDED REMOTE FRAME (number of bits = 64)
IDENTIFIER
STANDARD REMOTE FRAME (number of bits = 44)
17 ... 0
d d d
18
Control Field
LENGTH CODE
DATA
4
115
r d d
! Acknowledgment Field (ACK)
! End of Frame (EOF)
Remote Frame
Figure 41 shows the structure of a standard remote frame.
Figure 42 shows the structure of an extended remote frame.
Control Field
LENGTH CODE
CRC Field
CRC
DATA
15
16
4
r
CRC Field
CRC
15
r r
16
r r
END OF
FRAME
r r
DS022
r r
r
r r
r r
END OF
FRAME
www.national.com
r r
DS023
r r
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