ST72521 datasheet(129/211 Pages) STMICROELECTRONICS

部件名	ST72521

功能描述	8-BIT MCU WITH NESTED INTERRUPTS, FLASH, 10-BIT ADC, FIVE TIMERS, SPI, SCI, I2C, CAN INTERFACE

PDF	211 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

标志

129 / 211 page

ST72521

129/211

CONTROLLER AREA NETWORK (Cont’d)

Figure 68. CAN Frames

Data Field

8 * N

Control Field

Arbitration Field

CRC Field

Ack Field

DLC

CRC

Data Frame

44 + 8 * N

Arbitration Field

DLC

Remote Frame

CRC Field

CRC

Control Field

Overload Flag

Overload Delimiter

Overload Frame

Error Flag

Error Delimiter

Error Frame

Flag Echo

≤ 6

Bus Idle

Inter-Frame Space

Suspend

Intermission

Transmission

Inter-Frame Space

or Overload Frame

Inter-Frame Space

or Overload Frame

Inter-Frame Space

or Overload Frame

Data Frame or

Remote Frame

Notes:

• 0

<= N

<= 8

• SOF = Start Of Frame

• ID = Identifier

• RTR = Remote Transmission Request

• IDE = Identifier Extension Bit

• r0 = Reserved Bit

• DLC = Data Length Code

• CRC = Cyclic Redundancy Code

• Error flag: 6 dominant bits if node is error

active else 6 recessive bits.

• Suspend transmission: applies to error

passive nodes only.

• EOF = End of Frame

• ACK = Acknowledge bit

Data Frame or

Remote Frame

Any Frame

Inter-Frame Space

or Error Frame

End Of Frame or

Error Delimiter or

Overload Delimiter

Ack Field

End Of Frame

EOF

ST72521 数据表(PDF) 129 Page - STMicroelectronics

ST72521 数据表(HTML) 129 Page - STMicroelectronics

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

数据表下载

链接网址

ST72521 数据表(PDF) 129 Page - STMicroelectronics

ST72521 数据表(HTML) 129 Page - STMicroelectronics

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

数据表 下载

链接网址

数据表下载