st92f120 STMicroelectronics, st92f120 Datasheet - Page 244

• Manufacturer Part Number: st92f120
• Description: 8/16-bit Flash Mcu Family With Ram, Eeprom And J1850 Blpd
• Manufacturer: STMicroelectronics

J1850 Byte Level Protocol Decoder (JBLPD)
J1850 BYTE LEVEL PROTOCOL DECODER (Cont’d)
Figure 110. J1850 String Transmission Type 0
Figure 111. J1850 String Transmission Type 1
Figure 112. J1850 String Transmission Type 2
Figure 113. J1850 String Transmission Type 3
244/324
9
SOF
SOF
SOF
SOF
Message Rx’d from Another Node
Message Rx’d from Another Node
Message Rx’d from Another Node
Byte
Byte
Byte
Byte
I.D.
I.D.
I.D.
I.D.
Data byte(s) (if any)
Data byte(s) (if any)
Data byte(s) (if any)
Data byte(s) (if any)
Frame
Message
Frame
Frame
Frame
CRC
CRC
CRC
CRC
EOF
EOD
EOD
EOD
NB0 IFR Data Byte(s)
NB1
NB1
to be sent
IFR
IFR
Byte
Byte
IFR
to be sent
to be sent
IFR
... ...
IFR
EOF
CRC
Byte
IFR
Byte
EOF
EOF