参数资料
型号: MCP2515T-I/ML
厂商: Microchip Technology
文件页数: 25/88页
文件大小: 0K
描述: IC CAN CTLR W/SPI 2.0B 20-QFN
标准包装: 1
控制器类型: CAN 接口
接口: SPI 串行
电源电压: 2.7 V ~ 5.5 V
电流 - 电源: 10mA
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 20-VFQFN 裸露焊盘
供应商设备封装: 20-QFN 裸露焊盘(4x4)
包装: 标准包装
其它名称: MCP2515T-I/MLDKR
2010 Microchip Technology Inc.
DS21801F-page 31
MCP2515
REGISTER 4-7:
RXBnEID0 – RECEIVE BUFFER n EXTENDED IDENTIFIER LOW
(ADDRESS: 64h, 74h)
R-x
EID7
EID6
EID5
EID4
EID3
EID2
EID1
EID0
bit 7
bit 0
Legend:
R = Readable bit
W = Writable bit
U = Unimplemented bit, read as ‘0’
-n = Value at POR
‘1’ = Bit is set
‘0’ = Bit is cleared
x = Bit is unknown
bit 7-0
EID: Extended Identifier bits <7:0>
These bits hold the least significant eight bits of the Extended Identifier for the received message
REGISTER 4-8:
RXBnDLC – RECEIVE BUFFER n DATA LENGTH CODE
(ADDRESS: 65h, 75h)
R-x
EID7
EID6
EID5
EID4
EID3
EID2
EID1
EID0
bit 7
bit 0
Legend:
R = Readable bit
W = Writable bit
U = Unimplemented bit, read as ‘0’
-n = Value at POR
‘1’ = Bit is set
‘0’ = Bit is cleared
x = Bit is unknown
bit 7
Unimplemented: Reads as ‘0’
bit 6
RTR: Extended Frame Remote Transmission Request bit
(valid only when RXBnSIDL.IDE = ‘1’)
1
= Extended Frame Remote Transmit Request Received
0
= Extended Data Frame Received
bit 5
RB1: Reserved Bit 1
bit 4
RB0: Reserved Bit 0
bit 3-0
DLC: Data Length Code bits <3:0>
Indicates number of data bytes that were received
REGISTER 4-9:
RXBnDM – RECEIVE BUFFER n DATA BYTE M
(ADDRESS: 66h - 6Dh, 76h - 7Dh)
R-x
RBnD7
RBnD6
RBnD5
RBnD4
RBnD3
RBnD2
RBnD1
RBnD0
bit 7
bit 0
Legend:
R = Readable bit
W = Writable bit
U = Unimplemented bit, read as ‘0’
-n = Value at POR
‘1’ = Bit is set
‘0’ = Bit is cleared
x = Bit is unknown
bit 7-0
RBnD7:RBnD0: Receive Buffer n Data Field Bytes m
Eight bytes containing the data bytes for the received message
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