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DSPIC33FJ32GP302TH/SP Datasheet(PDF) 243 Page - Microchip Technology |
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DSPIC33FJ32GP302TH/SP Datasheet(HTML) 243 Page - Microchip Technology |
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243 / 403 page ![]() 2009 Microchip Technology Inc. Preliminary DS70292D-page 243 dsPIC33FJ32GP302/304, dsPIC33FJ64GPX02/X04, AND dsPIC33FJ128GPX02/X04 19.4 ECAN Message Buffers ECAN Message Buffers are part of DMA RAM Memory. They are not ECAN special function registers. The user application must directly write into the DMA RAM area that is configured for ECAN Message Buffers. The location and size of the buffer area is defined by the user application. BUFFER 19-1: ECAN™ MESSAGE BUFFER WORD 0 U-0 U-0 U-0 R/W-x R/W-x R/W-x R/W-x R/W-x — — — SID10 SID9 SID8 SID7 SID6 bit 15 bit 8 R/W-x R/W-x R/W-x R/W-x R/W-x R/W-x R/W-x R/W-x SID5 SID4 SID3 SID2 SID1 SID0 SRR IDE bit 7 bit 0 Legend: R = Readable bit W = Writable bit U = Unimplemented bit, read as ‘0’ -n = Value at POR ‘1’ = Bit is set ‘0’ = Bit is cleared x = Bit is unknown bit 15-13 Unimplemented: Read as ‘0’ bit 12-2 SID<10:0>: Standard Identifier bits bit 1 SRR: Substitute Remote Request bit 1 = Message will request remote transmission 0 = Normal message bit 0 IDE: Extended Identifier bit 1 = Message will transmit extended identifier 0 = Message will transmit standard identifier BUFFER 19-2: ECAN™ MESSAGE BUFFER WORD 1 U-0 U-0 U-0 U-0 R/W-x R/W-x R/W-x R/W-x — — — — EID17 EID16 EID15 EID14 bit 15 bit 8 R/W-x R/W-x R/W-x R/W-x R/W-x R/W-x R/W-x R/W-x EID13 EID12 EID11 EID10 EID9 EID8 EID7 EID6 bit 7 bit 0 Legend: R = Readable bit W = Writable bit U = Unimplemented bit, read as ‘0’ -n = Value at POR ‘1’ = Bit is set ‘0’ = Bit is cleared x = Bit is unknown bit 15-12 Unimplemented: Read as ‘0’ bit 11-0 EID<17:6>: Extended Identifier bits |
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