ST72561R9-Auto STMicroelectronics, ST72561R9-Auto Datasheet - Page 248
ST72561R9-Auto
Manufacturer Part Number
ST72561R9-Auto
Description
8-bit MCU for automotive
Manufacturer
STMicroelectronics
Datasheet
1.ST72561R9-AUTO.pdf
(324 pages)
Specifications of ST72561R9-Auto
Hdflash Endurance
100 cycles, data retention 20 years at 55 °C
5 Power Saving Modes
halt, auto wake up from halt, active halt, wait and slow
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beCAN controller (beCAN)
17.8.3
Note:
Note:
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Mailbox registers
This chapter describes the registers of the transmit and receive mailboxes. Refer to
Message storage
Transmit and receive mailboxes have the same registers except:
●
●
●
Mailbox control status register (MCSR)
Read/ write
Reset value: 0000 0000 (00h)
Bits 7:6 = reserved. Forced to 0 by hardware.
Bit 5 = TERR Transmission Error
Read
This bit is updated by hardware after each transmission attempt.
Bit 4 = ALST Arbitration Lost
Read
This bit is updated by hardware after each transmission attempt.
Bit 3 = TXOK Transmission OK
Read
The hardware updates this bit after each transmission attempt.
This bit has the same value as the corresponding TXOKx bit in the CTSR register.
Bit 2 = RQCP Request Completed
Read/ clear
Set by hardware when the last request (transmit or abort) has been performed.
Cleared by software writing a “1” or by hardware on transmission request.
This bit has the same value as the corresponding RQCPx bit of the CTSR register.
Clearing this bit clears all the status bits (TXOK, ALST and TERR) in the MCSR register and
the RQCP and TXOK bits in the CTSR register.
Bit 1 = ABRQ Abort Request for Mailbox
Read/ set
Set by software to abort the transmission request for the corresponding mailbox.
MCSR register in a transmit mailbox is replaced by MFMI register in a receive mailbox.
A receive mailbox is always write protected.
A transmit mailbox is write enable only while empty, corresponding TME bit in the
CTPR register set.
0: the previous transmission was successful
1: the previous transmission failed due to an error
0: the previous transmission was successful
1: the previous transmission failed due to an arbitration lost
0: the previous transmission failed
1: the previous transmission was successful
7
0
0
for detailed register mapping.
TERR
Doc ID 12370 Rev 8
ALST
TXOK
RQCP
ABRQ
ST72561-Auto
TXRQ
0
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