參數(shù)資料
型號： MCP2515T-I/SO
元件分類： 微控制器/微處理器
英文描述： 1 CHANNEL(S), 1M bps, SERIAL COMM CONTROLLER, PDSO18
封裝： 7.50 MM, LEAD FREE, PLASTIC, SOIC-18
文件頁數(shù)： 10/88頁
文件大?。?/td> 1205K
代理商： MCP2515T-I/SO
MCP2515
DS21801F-page 18
2010 Microchip Technology Inc.
REGISTER 3-1:
TXBnCTRL – TRANSMIT BUFFER n CONTROL REGISTER
(ADDRESS: 30h, 40h, 50h)
U-0
R-0
R/W-0
U-0
R/W-0
—
ABTF
MLOA
TXERR
TXREQ
—
TXP1
TXP0
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: Read as ‘0’
bit 6
ABTF: Message Aborted Flag bit
1
= Message was aborted
0
= Message completed transmission successfully
bit 5
MLOA: Message Lost Arbitration bit
1
= Message lost arbitration while being sent
0
= Message did not lose arbitration while being sent
bit 4
TXERR: Transmission Error Detected bit
1
= A bus error occurred while the message was being transmitted
0
= No bus error occurred while the message was being transmitted
bit 3
TXREQ: Message Transmit Request bit
1
= Buffer is currently pending transmission
(MCU sets this bit to request message be transmitted - bit is automatically cleared when
the message is sent)
0
= Buffer is not currently pending transmission
(MCU can clear this bit to request a message abort)
bit 2
Unimplemented: Read as ‘0’
bit 1-0
TXP: Transmit Buffer Priority <1:0> bits
11
= Highest Message Priority
10
= High Intermediate Message Priority
01
= Low Intermediate Message Priority
00
= Lowest Message Priority
相關(guān)PDF資料
PDF描述
MCP2515-E/ST 1 CHANNEL(S), 1M bps, SERIAL COMM CONTROLLER, PDSO20
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