MCP2515
FIGURE 12-5:
LOAD TX BUFFER
a b c
Address Points to
Addr
CS
0 0 0 TX buffer 0, Start at
TXB0SIDH
0x31
0
1
2
3
4
5
6
7
8
9
10 11 1 2 1 3 14 15
0 0 1 TX buffer 0, Start at
0x36
SCK
TXB0D0
0 1 0 TX buffer 1, Start at
0x41
Instruction
Data In
TXB1SIDH
SI
0
1
0
0
0
a
b
c
7
6
5
4
3
2
1
0
0 1 1 TX buffer 1, Start at
TXB1D0
0x46
SO
FIGURE 12-6:
CS
High-Impedance
REQUEST-TO-SEND (RTS) INSTRUCTION
1 0 0 TX buffer 2, Start at
TXB2SIDH
1 0 1 TX buffer 2, Start at
TXB2D0
0x51
0x56
0
1
2
3
4
5
6
7
SCK
Instruction
SI
1
0
0
0
0
T2
T1
T0
High-Impedance
SO
FIGURE 12-7:
BIT MODIFY INSTRUCTION
CS
0 1 2 3 4 5 6 7 8 9 10 1 1 12 13 14 15 16 17 18 19 20 2 1 2 2 2 3 24 25 26 2 7 28 29 30 31
SCK
Instruction
Address Byte
Mask Byte
Data Byte
SI
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
High-Impedance
SO
Note:
Not all registers can be accessed with
this command. See the register map for a
list of the registers that apply.
DS21801G-page 68
? 2003-2012 Microchip Technology Inc.
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相关代理商/技术参数
MCP2515-E 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:Stand-Alone CAN Controller with SPI Interface
MCP2515-E/ML 制造商:Microchip Technology Inc 功能描述:
MCP2515-E/P 功能描述:网络控制器与处理器 IC W/ SPI Inter 125dC RoHS:否 制造商:Micrel 产品:Controller Area Network (CAN) 收发器数量: 数据速率: 电源电流(最大值):595 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:PBGA-400 封装:Tray
MCP2515-E/SO 功能描述:网络控制器与处理器 IC W/ SPI Inter 125dC RoHS:否 制造商:Micrel 产品:Controller Area Network (CAN) 收发器数量: 数据速率: 电源电流(最大值):595 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:PBGA-400 封装:Tray
MCP2515-E/SORB4 制造商:Microchip Technology Inc 功能描述:
MCP2515-E/ST 功能描述:网络控制器与处理器 IC W/ SPI Inter 125dC RoHS:否 制造商:Micrel 产品:Controller Area Network (CAN) 收发器数量: 数据速率: 电源电流(最大值):595 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:PBGA-400 封装:Tray
MCP2515-I 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:Stand-Alone CAN Controller with SPI Interface
MCP2515-I/ML 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:Stand-Alone CAN Controller with SPI Interface