ST72F521AR9TC STMicroelectronics, ST72F521AR9TC Datasheet - Page 131

• Manufacturer Part Number: ST72F521AR9TC
• Description: IC MCU 8BIT 60K FLASH 64-TQFP
• Manufacturer: STMicroelectronics
• Series: ST7r

Specifications of ST72F521AR9TC

• Core Processor: ST7
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: CAN, I²C, SCI, SPI
• Peripherals: LVD, POR, PWM, WDT
• Number Of I /o: 48
• Program Memory Size: 60KB (60K x 8)
• Program Memory Type: FLASH
• Ram Size: 2K x 8
• Voltage - Supply (vcc/vdd): 3.8 V ~ 5.5 V
• Data Converters: A/D 16x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 64-TQFP, 64-VQFP
• For Use With: 497-6453 - BOARD EVAL BASED ON ST7LNBX
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

CONTROLLER AREA NETWORK (Cont’d)
Figure 69. CAN Frames
Overload Delimiter
Error Delimiter or
End Of Frame or
Remote Frame
Data Frame or
Any Frame
Inter-Frame Space
Inter-Frame Space
Intermission
Overload Flag
Error Flag
3
Arbitration Field
Arbitration Field
6
6
Overload Frame
Transmission
Inter-Frame Space
Suspend
ID
ID
Flag Echo
12
12
Error Frame
8
Overload Delimiter
≤ 6
8
Control Field
Control Field
Error Delimiter
Bus Idle
Inter-Frame Space
or Error Frame
8
6
6
DLC
DLC
Remote Frame
Data Frame or
Remote Frame
or Overload Frame
Inter-Frame Space
Data Field
44
8 * N
Data Frame
44 + 8 * N
CRC Field
CRC
16
CRC Field
Ack Field
CRC
Notes:
• 0
• 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
• Suspend transmission: applies to error
• EOF = End of Frame
• ACK = Acknowledge bit
16
active else 6 recessive bits.
passive nodes only.
2
End Of Frame
7
<= N
ST72F521, ST72521B
Ack Field
2
or Overload Frame
Inter-Frame Space
or Overload Frame
Inter-Frame Space
EOF
7
<= 8
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