MCP2510-I/ST View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

MCP2510-I/ST

Stand-Alone CAN Controller with SPI™ Interface

Microchip Technology 

MCP2510

FIGURE 11-4:

REQUEST TO SEND INSTRUCTION

CS

SCK

SI

01234567

instruction

1 0 0 0 0 T2 T1 T0

SO

high impedance

FIGURE 11-5:

BIT MODIFY INSTRUCTION

CS

SCK

SI

0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31

instruction

address byte

mask byte

data byte

0 0 0 0 0 1 0 1 A7 6 5 4 3 2 1 A0 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0

SO

high impedance

Note: Not all registers can be accessed with this command. See the register map in Section 10.0

for a list of the registers that apply.

FIGURE 11-6:

CS

READ STATUS INSTRUCTION

SCK

SI

SO

0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23

instruction

1 01 0 0 0 00

don’t care

high impedance

data out

repeat

data out

765432107654321 0

CANINTF.RX0IF

CANINTF.RX1IF

TXB0CNTRL.TXREQ

CANINTF.TX0IF

TXB1CNTRL.TXREQ

CANINTF.TX1IF

TXB2CNTRL.TXREQ

CANINTF.TX2IF

© 2007 Microchip Technology Inc.

DS21291F-page 59

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