ST92124JCR2TC View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

ST92124JCR2TC

8/16-BIT SINGLE VOLTAGE FLASH MCU FAMILY WITH RAM, E³ ™ (EMULATED EEPROM), CAN 2.0B AND J1850 BLPD

STMicroelectronics 

CONTROLLER AREA NETWORK (bxCAN)

CONTROLLER AREA NETWORK (Cont’d)

Figure 147. Transmit Mailbox States

EMPTY

RQCP=X

TXOK=X

TME = 1

TXRQ=1

ABRQ=1

PENDING

RQCP=0

TXOK=0

TME = 0

Mailbox has

highest priority

EMPTY

RQCP=1

TXOK=0

TME = 1

Mailbox does not

have highest priority

ABRQ=1

CAN Bus = IDLE

SCHEDULED

RQCP=0

TXOK=0

TME = 0

Transmit failed * NART

TRANSMIT

RQCP=0

TXOK=0

TME = 0

EMPTY

RQCP=1

TXOK=1

TME = 1

Transmit succeeded

Transmit failed * NART

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