MCP2515-E/PRB2 Microchip Technology, MCP2515-E/PRB2 Datasheet - Page 66

• Manufacturer Part Number: MCP2515-E/PRB2
• Description: CAN controller with SPI interface, 125 deg C, -40C to +125C, 18-PDIP, TUBE
• Manufacturer: Microchip Technology

MCP2515
FIGURE 12-5:
FIGURE 12-6:
FIGURE 12-7:
DS21801E-page 66
SCK
CS
SO
SI
SCK
SO
CS
SCK
SI
SO
CS
SI
Note:
0
0
1
1
0
0
Not all registers can be accessed with
this command. See the register map for a
list of the registers that apply.
0
0
2
instruction
1
instruction
0
1
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
LOAD TX BUFFER
REQUEST-TO-SEND (RTS) INSTRUCTION
BIT MODIFY INSTRUCTION
0
0
3
0
0
0
4
0
1
1
a
5
0
high-impedance
b
1
6
A7 6 5 4
0
2
high-impedance
c
instruction
7
address byte
7
8
0
3
6
9 10 11 12 13 14 15
3 2
5
high-impedance
data in
0
4
1 A0 7 6 5 4 3 2 1 0
4
3
T2
5
2
mask byte
1
T1
6
0
T0
7
23 24 25 26 27 28 29 30 31
a b c
0 0 0 TX buffer 0, Start at
0 0 1 TX buffer 0, Start at
0 1 0 TX buffer 1, Start at
0 1 1 TX buffer 1, Start at
1 0 0 TX buffer 2, Start at
1 0 1 TX buffer 2, Start at
7 6 5 4 3 2 1 0
© 2007 Microchip Technology Inc.
data byte
TXB0SIDH
TXB0D0
TXB1SIDH
TXB1D0
TXB2SIDH
TXB2D0
Address Points to
Addr
0x31
0x36
0x41
0x46
0x51
0x56