COP87L89RB National Semiconductor, COP87L89RB Datasheet - Page 28
COP87L89RB
Manufacturer Part Number
COP87L89RB
Description
8-Bit CMOS OTP Microcontrollers with 16k or 32k Memory/ CAN Interface/ 8-Bit A/D/ and USART
Manufacturer
National Semiconductor
Datasheet
1.COP87L89RB.pdf
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Frame Formats
(Continued)
DS100044-21
DS100044-22
A remote frame is identical to a data frame, except that the RTR bit is “recessive”, and there is no data field.
IDE = Identifier Extension Bit
The IDE bit in the standard format is transmitted “dominant”, whereas in the extended format the IDE bit is “recessive” and the id is expanded to 29 bits.
r = recessive
d = dominant
FIGURE 19. CAN Data Transmission Frames
DS100044-23
An error frame can start anywhere in the middle of a frame.
DS100044-24
INT = Intermission
Suspend Transmission is only for error passive nodes.
DS100044-25
An overload frame can only start at the end of a frame.
FIGURE 20. CAN Control Frames
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