DS72030W200FPV Renesas Electronics America, DS72030W200FPV Datasheet - Page 960
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: 960 of 1686
- Download datasheet (10Mb)
Section 19 Controller Area Network (RCAN-TL1)
ATX (Automatic Transmission of Data Frame): When this bit is set to ‘1’ and a Remote Frame
is received into the Mailbox DLC is stored. Then, a Data Frame is transmitted from the same
Mailbox using the current contents of the message data and updated DLC by setting the
corresponding TXPR automatically. The scheduling of transmission is still governed by ID
priority or Mailbox priority as configured with the Message Transmission Priority control bit
(MCR.2). In order to use this function, MBC[2:0] needs to be programmed to be ‘001’ (Bin).
When a transmission is performed by this function, the DLC (Data Length Code) to be used is the
one that has been received. Application needs to guarantee that the DLC of the remote frame
correspond to the DLC of the data frame requested.
Important: When ATX is used and MBC = 001 (Bin) the filter for the IDE bit cannot be used
since ID of remote frame has to be exactly the same as that of data frame as the reply message.
Important: Please note that, when this function is used, the RTR bit will never be set despite
receiving a Remote Frame. When a Remote Frame is received, the CPU will be notified by the
corresponding RFPR set, however, as RCAN-TL1 needs to transmit the current message as a Data
Frame, the RTR bit remains unchanged.
Important: Please note that in case of overrun condition (UMSR flag set when the Mailbox has
its NMC = 0) the message received is discarded. In case a remote frame is causing overrun into a
Mailbox configured with ATX = 1, the transmission of the corresponding data frame may be
triggered only if the related PFPR flag is cleared by the CPU when the UMSR flag is set. In such
case PFPR flag would get set again.
DART (Disable Automatic Re-Transmission): When this bit is set, it disables the automatic re-
transmission of a message in the event of an error on the CAN bus or an arbitration lost on the
CAN bus. In effect, when this function is used, the corresponding TXCR bit is automatically set at
the start of transmission. When this bit is set to ‘0’, RCAN-TL1 tries to transmit the message as
many times as required until it is successfully transmitted or it is cancelled by the TXCR.
Rev. 3.00 Sep. 28, 2009 Page 928 of 1650
REJ09B0313-0300
ATX
0
1
DART
0
1
Description
Automatic Transmission of Data Frame disabled (Initial value)
Automatic Transmission of Data Frame enabled
Description
Re-transmission enabled (Initial value)
Re-Transmission disabled
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