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型號(hào)：	M32185F4VFP
元件分類：	微控制器/微處理器
英文描述：	32-BIT, FLASH, 80 MHz, RISC MICROCONTROLLER, PQFP144
封裝：	20 X 20 MM, 0.50 MM PITCH, PLASTIC, LQFP-144
文件頁(yè)數(shù)：	741/1032頁(yè)
文件大?。?/td>	5750K
代理商：	M32185F4VFP

CAN MODULE

32185/32186 Group Hardware Manual

Rev.1.10 REJ09B0235-0110 May 15, 07

Clear the receive request

Start storing the received data

Clear the receive

Finished storing the received data

Start storing the received data

(Message lost occurs)

Finished storing

the received

Start store the received data

(Message lost occurs)

Wait for the

received data

Wait for the received data

Finished storing

the received data

Clear the receive

Clear the receive

Clear the receive

Finished storing

the received data

TRSTAT TRFIN

CAN message slot control register bit allocation

CPU read & TRFIN bit clear

Figure 13.6.2 Operation of CAN Message Slot Control Register during Data Frame Reception

13.6 Receiving Data Frames

(2) When the receive conditions are met

When the receive conditions in (1) above are met, the CAN module sets the CAN Message Slot Control

the same time writing the received data to the message slot. If the TRFIN (Transmit/Receive Finished) bit is

already set to "1" at this time, the CAN module also sets the ML (Message Lost) bit to "1," indicating that the

message slot has been overwritten. The message slot has both of its ID and DLC fields entirely overwritten

and has an undefined value written in its unused area (e.g., extended ID field during standard frame recep-

tion and an unused data field).

Furthermore, a timestamp count value at which the message was received is written to the CAN Message

Slot Timestamp (C0MSLnTSP, C1MSLnTSP) along with the received data. When the CAN module finished

writing to the message slot, it sets the CAN Slot Interrupt Request Status bit to "1." If the interrupt request for

the slot has been enabled, the CAN module generates an interrupt request and enters a wait state for the

next reception.

(3) When the receive conditions are not met

The received frame is discarded, and the CAN module goes to the next transmit/receive operation without

writing to the message slot.

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相關(guān)代理商/技術(shù)參數(shù)	參數(shù)描述
M32186F8VFP	制造商:Renesas Electronics Corporation 功能描述:
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M32192F8TFP#U0	制造商:Renesas Electronics Corporation 功能描述:MCU 32-bit M32R RISC 1024KB Flash 3.3V/5V 144-Pin LQFP
M32192F8VFP	制造商:Renesas Electronics Corporation 功能描述:
M321-SERIES	制造商:未知廠家制造商全稱:未知廠家功能描述:Peripheral IC

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