參數(shù)資料
型號： MCP2515T-E/ST
廠商： Microchip Technology
文件頁數(shù)： 8/88頁
文件大?。?/td> 0K
描述： IC CAN CONTROLLER W/SPI 20TSSOP
標(biāo)準(zhǔn)包裝： 2,500
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： 20-TSSOP（0.173"，4.40mm 寬）
供應(yīng)商設(shè)備封裝： 20-TSSOP
包裝： 帶卷 (TR)
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
MCP2515
DS21801F-page 16
2010 Microchip Technology Inc.
3.5
TXnRTS PINS
The TXnRTS pins are input pins that can be configured
as:
Request-to-send inputs, which provide an
alternative means of initiating the transmission of
a message from any of the transmit buffers
Standard digital inputs
Configuration and control of these pins is accomplished
using the TXRTSCTRL register (see Register 3-3). The
TXRTSCTRL register can only be modified when the
MCP2515 is in Configuration mode (see Section 10.0
“Modes of Operation”). If configured to operate as a
request-to-send pin, the pin is mapped into the
respective TXBnCTRL.TXREQ bit for the transmit
buffer. The TXREQ bit is latched by the falling edge of
the TXnRTS pin. The TXnRTS pins are designed to
allow them to be tied directly to the RXnBF pins to
automatically initiate a message transmission when the
RXnBF pin goes low.
The TXnRTS pins have internal pull-up resistors of
100 k
Ω (nominal).
3.6
Aborting Transmission
The MCU can request to abort a message in a specific
message
buffer
by
clearing
the
associated
TXBnCTRL.TXREQ bit.
In addition, all pending messages can be requested to
be aborted by setting the CANCTRL.ABAT bit. This bit
MUST be reset (typically after the TXREQ bits have
been verified to be cleared) to continue transmitting
messages. The TXBnCTRL.ABTF flag will only be set
if the abort was requested via the CANCTRL.ABAT bit.
Aborting a message by resetting the TXREQ bit does
NOT cause the ABTF bit to be set.
Note 1: Messages that were transmitting when
the abort was requested will continue to
transmit.
If
the
message
does
not
successfully complete transmission (i.e.,
lost arbitration or was interrupted by an
error frame), it will then be aborted.
2: When one-shot mode is enabled, if the
message is interrupted due to an error
frame
or
loss
of
arbitration,
the
TXBnCTRL.ABTF bit will set.
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參數(shù)描述
MCP2515T-I/M 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:Stand-Alone CAN Controller with SPI Interface
MCP2515T-I/ML 功能描述:網(wǎng)絡(luò)控制器與處理器 IC CAN controller with SPI interface RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray
MCP2515T-I/SO 功能描述:網(wǎng)絡(luò)控制器與處理器 IC W/ SPI Interface RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray
MCP2515T-I/SO-CUT TAPE 制造商:Microchip 功能描述:MCP2515 Series 5.5 V 1 Mb/s Stand Alone SPI Interface CAN Controller- SOIC-18
MCP2515T-I/ST 功能描述:網(wǎng)絡(luò)控制器與處理器 IC W/ SPI Interface RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray
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