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MCP2510-ISO Datasheet(PDF) 55 Page - Microchip Technology |
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MCP2510-ISO Datasheet(HTML) 55 Page - Microchip Technology |
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55 / 80 page  © 2007 Microchip Technology Inc. DS21291F-page 55 MCP2510 10.0 REGISTER MAP The register map for the MCP2510 is shown in Table 10-1. Address locations for each register are determined by using the column (higher order 4 bits) and row (lower order 4 bits) values. The registers have been arranged to optimize the sequential reading and writing of data. Some specific control and status regis- ters allow individual bit modification using the SPI Bit Modify command. The registers that allow this com- mand are shown as shaded locations in Table 10-1. A summary of the MCP2510 control registers is shown in Table 10-2. TABLE 10-1: CAN CONTROLLER REGISTER MAP TABLE 10-2: CONTROL REGISTER SUMMARY Lower Address Bits Higher Order Address Bits x000 xxxx x001 xxxx x010 xxxx x0011 xxxx x100 xxxx x101 xxxx x110 xxxx x111 xxxx 0000 RXF0SIDH RXF3SIDH RXM0SIDH TXB0CTRL TXB1CTRL TXB2CTRL RXB0CTRL RXB1CTRL 0001 RXF0SIDL RXF3SIDL RXM0SIDL TXB0SIDH TXB1SIDH TXB2SIDH RXB0SIDH RXB1SIDH 0010 RXF0EID8 RXF3EID8 RXM0EID8 TXB0SIDL TXB1SIDL TXB2SIDL RXB0SIDL RXB1SIDL 0011 RXF0EID0 RXF3EID0 RXM0EID0 TXB0EID8 TXB1EID8 TXB2EID8 RXB0EID8 RXB1EID8 0100 RXF1SIDH RXF4SIDH RXM1SIDH TXB0EID0 TXB1EID0 TXB2EID0 RXB0EID0 RXB1EID0 0101 RXF1SIDL RXF4SIDL RXM1SIDL TXB0DLC TXB1DLC TXB2DLC RXB0DLC RXB1DLC 0110 RXF1EID8 RXF4EID8 RXM1EID8 TXB0D0 TXB1D0 TXB2D0 RXB0D0 RXB1D0 0111 RXF1EID0 RXF4EID0 RXM1EID0 TXB0D1 TXB1D1 TXB2D1 RXB0D1 RXB1D1 1000 RXF2SIDH RXF5SIDH CNF3 TXB0D2 TXB1D2 TXB2D2 RXB0D2 RXB1D2 1001 RXF2SIDL RXF5SIDL CNF2 TXB0D3 TXB1D3 TXB2D3 RXB0D3 RXB1D3 1010 RXF2EID8 RXF5EID8 CNF1 TXB0D4 TXB1D4 TXB2D4 RXB0D4 RXB1D4 1011 RXF2EID0 RXF5EID0 CANINTE TXB0D5 TXB1D5 TXB2D5 RXB0D5 RXB1D5 1100 BFPCTRL TEC CANINTF TXB0D6 TXB1D6 TXB2D6 RXB0D6 RXB1D6 1101 TXRTSCTRL REC EFLG TXB0D7 TXB1D7 TXB2D7 RXB0D7 RXB1D7 1110 CANSTAT CANSTAT CANSTAT CANSTAT CANSTAT CANSTAT CANSTAT CANSTAT 1111 CANCTRL CANCTRL CANCTRL CANCTRL CANCTRL CANCTRL CANCTRL CANCTRL Note: Shaded register locations indicate that these allow the user to manipulate individual bits using the ‘Bit Modify’ Command. Register Name Address (Hex) Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 POR/RST Value BFPCTRL 0C — — B1BFS B0BFS B1BFE B0BFE B1BFM B0BFM --00 0000 TXRTSCTRL 0D — — B2RTS B1RTS B0RTS B2RTSM B1RTSM B0RTSM --xx x000 CANSTAT xE OPMOD2 OPMOD1 OPMOD0 — ICOD2 ICOD1 ICOD0 — 100- 000- CANCTRL xF REQOP2 REQOP1 REQOP0 ABAT — CLKEN CLKPRE1 CLKPRE0 1110 -111 TEC 1C Transmit Error Counter 0000 0000 REC 1D Receive Error Counter 0000 0000 CNF3 28 — WAKFIL — — — PHSEG22 PHSEG21 PHSEG20 -0-- -000 CNF2 29 BTLMODE SAM PHSEG12 PHSEG11 PHSEG10 PRSEG2 PRSEG1 PRSEG0 0000 0000 CNF1 2A SJW1 SJW0 BRP5 BRP4 BRP3 BRP2 BRP1 BRP0 0000 0000 CANINTE 2B MERRE WAKIE ERRIE TX2IE TX1IE TX0IE RX1IE RX0IE 0000 0000 CANINTF 2C MERRF WAKIF ERRIF TX2IF TX1IF TX0IF RX1IF RX0IF 0000 0000 EFLG 2D RX1OVR RX0OVR TXBO TXEP RXEP TXWAR RXWAR EWARN 0000 0000 TXB0CTRL 30 — ABTF MLOA TXERR TXREQ — TXP1 TXP0 -000 0-00 TXB1CTRL 40 — ABTF MLOA TXERR TXREQ — TXP1 TXP0 -000 0-00 TXB2CTRL 50 — ABTF MLOA TXERR TXREQ — TXP1 TXP0 -000 0-00 RXB0CTRL 60 — RXM1 RXM0 — RXRTR BUKT BUKT FILHIT0 -00- 0000 RXB1CTRL 70 — RSM1 RXM0 — RXRTR FILHIT2 FILHIT1 FILHIT0 -00- 0000 |
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