st92f124 STMicroelectronics, st92f124 Datasheet - Page 329

• Manufacturer Part Number: st92f124
• Description: 8/16-bit Single Voltage Flash Mcu Family With Ram, E3 Tmemulated Eeprom, Can 2.0b And J1850 Blpd
• Manufacturer: STMicroelectronics

CONTROLLER AREA NETWORK (Cont’d)
Figure 147. Transmit Mailbox States
EMPTY
RQCP=1
TXOK=1
TME = 1
EMPTY
RQCP=1
TXOK=0
TME = 1
EMPTY
RQCP=X
TXOK=X
TME = 1
Transmit failed * NART
TXRQ=1
ABRQ=1
Transmit succeeded
ABRQ=1
TRANSMIT
RQCP=0
TXOK=0
TME = 0
PENDING
RQCP=0
TXOK=0
TME = 0
CAN Bus = IDLE
CONTROLLER AREA NETWORK (bxCAN)
Mailbox does not
have highest priority
Mailbox has
highest priority
Transmit failed * NART
SCHEDULED
RQCP=0
TXOK=0
TME = 0
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