DS72030W200FPV Renesas Electronics America, DS72030W200FPV Datasheet - Page 1035
DS72030W200FPV
Manufacturer Part Number
DS72030W200FPV
Description
MPU, 32BIT, SH7203, ROMLESS, 240QFP
Manufacturer
Renesas Electronics America
Series
SH7200r
Datasheet
1.R5S72030W200FP.pdf
(1686 pages)
Specifications of DS72030W200FPV
Core Size
32bit
Program Memory Size
32KB
Cpu Speed
200MHz
Digital Ic Case Style
QFP
No. Of Pins
240
Supply Voltage Range
1.1V To 1.3V
Operating Temperature Range
-20°C To +85°C
Svhc
No SVHC
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
- Current page: 1035 of 1686
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• Message Transmission Request for Time Triggered communication
When the Time Triggered mode is used communications must fulfils the ISO11898-4
requirements.
The following procedure should be used.
⎯ Send RCAN-TL1 to reset or halt mode
⎯ Set TCMR0 to the Init_Watch_Trigger (0xFFFF)
⎯ Enable TCMR0 compare match setting bit 10 of TTCR0
⎯ Set TCMR2 to the specified Watch_Trigger value
⎯ Keep TCMR2 compare match disabled by keeping cleared the bit 12 of TTCR0
⎯ Set CMAX to the requested value (different from 111 bin)
⎯ Set TEW to the requested value
⎯ Configure the necessary Mailboxes for Time Trigger transmission and reception
⎯ Set LAFM for the 3 LSBs of Mailbox 31
⎯ Configure MCR, BCR1 and BCR0 to the requested values
⎯ If working as a potential time master:
⎯ Enable the TCNTR timer through the bit 15 of TTCR0
⎯ Move to Transmission_Reception mode
⎯ Wait for the reception or transmission of a valid reference message or for TCMR0 match
⎯ If the local time reaches the value of TCMR0 the Init_Watch_Trigger is reached and the
⎯ If the reference message is transmitted (TXACK[30] is set) set RFTROFF to zero
⎯ If a valid reference message is received (RXPR[31] is set) then:
⎯ Disable TCMR0 compare match by clearing bit 10 of TTCR0
⎯ Enable TCMR2 compare match by setting bit 12 of TTCR0
⎯ Only after two reference messages have been detected on the CAN Bus (transmitted or
application needs to set TXCR for Mailbox 30 and start again
• If 3 LSBs of ID of Mailbox 31 have high priority than the 3 LSBs of Mailbox 30 (if
• If 3 LSBs of ID of Mailbox 31 have lower priority than the 3 LSBs of Mailbox 30 (if
received) can the application set TXPR for the other Time Triggered Mailboxes.
• Set RFTROFF to the requested Init_Ref_Offset value
• Set TXPR for Mailbox 30
• Write H'4000 into TTTSEL
working as potential time master) keep RFTROFF to Init_Ref_Offset
working as potential time master) decrement by 1 the value in RFTROFF
Section 19 Controller Area Network (RCAN-TL1)
Rev. 3.00 Sep. 28, 2009 Page 1003 of 1650
REJ09B0313-0300
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