参数资料
型号: MCP2515DM-PTPLS
厂商: Microchip Technology
文件页数: 49/92页
文件大小: 0K
描述: BOARD DAUGHTER PICTAIL MCP2515
标准包装: 1
系列: *
主要目的: 接口,CAN 控制器
嵌入式: 是,MCU,8 位
已用 IC / 零件: MCP2515,MCP2551
主要属性: 置于 PICtail Plus 子板内的 CAN 控制器和 CAN 收发器
已供物品: 板,CD
产品目录页面: 685 (CN2011-ZH PDF)
相关产品: MCP2515T-I/ST-ND - IC CAN CONTROLLER W/SPI 20TSSOP
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更多...
MCP2515
REGISTER 6-3:
EFLG – ERROR FLAG
(ADDRESS: 2Dh)
R/W-0
RX1OVR
R/W-0
RX0OVR
R-0
TXBO
R-0
TXEP
R-0
RXEP
R-0
TXWAR
R-0
RXWAR
R-0
EWARN
bit 7
Legend:
bit 0
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
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
RX1OVR: Receive Buffer 1 Overflow Flag bit
- Set when a valid message is received for RXB1 and CANINTF.RX1IF = 1
- Must be reset by MCU
RX0OVR: Receive Buffer 0 Overflow Flag bit
- Set when a valid message is received for RXB0 and CANINTF.RX0IF = 1
- Must be reset by MCU
TXBO: Bus-Off Error Flag bit
- Bit set when TEC reaches 255
- Reset after a successful bus recovery sequence
TXEP: Transmit Error-Passive Flag bit
- Set when TEC is equal to or greater than 128
- Reset when TEC is less than 128
RXEP: Receive Error-Passive Flag bit
- Set when REC is equal to or greater than 128
- Reset when REC is less than 128
TXWAR: Transmit Error Warning Flag bit
- Set when TEC is equal to or greater than 96
- Reset when TEC is less than 96
RXWAR: Receive Error Warning Flag bit
- Set when REC is equal to or greater than 96
- Reset when REC is less than 96
EWARN: Error Warning Flag bit
- Set when TEC or REC is equal to or greater than 96 (TXWAR or RXWAR = 1 )
- Reset when both REC and TEC are less than 96
? 2003-2012 Microchip Technology Inc.
DS21801G-page 49
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