参数资料
型号: MCP25050-I/SL
厂商: Microchip Technology
文件页数: 9/66页
文件大小: 0K
描述: IC I/O EXPANDER CAN 8B 14SOIC
标准包装: 57
接口: CAN
输入/输出数: 8
中断输出:
频率 - 时钟: 4MHz
电源电压: 2.7 V ~ 5.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 14-SOIC(0.154",3.90mm 宽)
供应商设备封装: 14-SOIC
包装: 管件
包括: ADC,存储器,PWM
产品目录页面: 685 (CN2011-ZH PDF)
其它名称: MCP25050I/SL
2007 Microchip Technology Inc.
DS21664D-page 17
MCP2502X/5X
REGISTER 2-18:
EFLG - ERROR FLAG REGISTER
R-0
ESCF
RBO
TXBO
TXEP
RXEP
TXWAR
RXWAR
EWARN
bit 7
bit 0
bit 7
ESCF: Error State Change (for sending Error state message)
1
= An error state change occurred
0
= No error state change
bit 6
RBO: Receive Buffer Overflow
1
= Overflow occurred
0
= No overflow occurred
bit 5
TXBO: Transmitter in Bus Off Error State bit
1
= TEC reaches 256
0
= Indicates a successful bus recovery sequence
bit 4
TXEP: Transmitter in Error Passive State bit
1
= TEC is equal to or greater than 128
0
= TEC is less than 128
bit 3
RXEP: Receiver in Error Passive State bit
1
= REC is equal to or greater than 128
0
= REC is less than 128
bit 2
TXWAR: Transmitter in Error Warning State bit
1
= TEC is equal to or greater than 96
0
= TEC is less than 96
bit 1
RXWAR: Receiver in Error Warning State bit
1
= REC is equal to or greater than 96
0
= REC is less than 96
bit 0
EWARN; Either the Receive Error counter or Transmit error counter has reached or exceeded
96 errors
1
= TEC or REC is equal to or greater than 96 (TXWAR or RXWAR = 1)
0
= Both REC and TEC are less than 96
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
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