參數(shù)資料
型號: MCP2515-E/SO
廠商: Microchip Technology
文件頁數(shù): 45/88頁
文件大?。?/td> 0K
描述: IC CAN CONTROLLER W/SPI 18SOIC
標準包裝: 42
控制器類型: CAN 接口
接口: SPI 串行
電源電壓: 2.7 V ~ 5.5 V
電流 - 電源: 10mA
工作溫度: -40°C ~ 125°C
安裝類型: 表面貼裝
封裝/外殼: 18-SOIC(0.295",7.50mm 寬)
供應商設備封裝: 18-SOIC
包裝: 管件
配用: MCP2515DM-BM-ND - BOARD DEMO FOR MCP2515/51
MCP2515DM-PTPLS-ND - BOARD DAUGHTER PICTAIL MCP2515
MCP2515DM-PCTL-ND - BOARD DEMO FOR MCP2515
DV251001-ND - KIT DEVELOPMENT CAN MCP2510
2010 Microchip Technology Inc.
DS21801F-page 5
MCP2515
1.4
Transmit/Receive Buffers/Masks/
Filters
The MCP2515 has three transmit and two receive
buffers, two acceptance masks (one for each receive
buffer) and a total of six acceptance filters. Figure 1-3
shows a block diagram of these buffers and their
connection to the protocol engine.
FIGURE 1-3:
CAN BUFFERS AND PROTOCOL ENGINE BLOCK DIAGRAM
Acceptance Filter
RXF2
R
X
B
1
Identifier
Data Field
Identifier
Acceptance Mask
RXM1
Acceptance Filter
RXF3
Acceptance Filter
RXF4
Acceptance Filter
RXF5
M
A
B
Acceptance Filter
RXF0
Acceptance Filter
RXF1
R
X
B
0
TXR
E
Q
TXB2
AB
TF
ML
O
A
TXE
R
ME
SS
AGE
Message
Queue
Control
Transmit Byte Sequencer
TXR
E
Q
TXB0
AB
TF
ML
O
A
TXE
R
ME
SS
AGE
CRC<14:0>
Comparator
Receive<7:0>
Transmit<7:0>
Receive
Error
Transmit
Error
Protocol
REC
TEC
ErrPas
BusOff
Finite
State
Machine
Counter
Shift<14:0>
{Transmit<5:0>, Receive<8:0>}
Transmit
Logic
Bit
Timing
Logic
TX
RX
Configuration
Registers
Clock
Generator
PROTOCOL
ENGINE
BUFFERS
TXR
E
Q
TXB1
AB
TF
ML
O
A
TXE
R
ME
SS
AGE
Acceptance Mask
RXM0
A
c
e
p
t
A
c
e
p
t
SOF
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