参数资料
型号: MCP25050-I/SL
厂商: Microchip Technology
文件页数: 2/66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
MCP2502X/5X
DS21664D-page 10
2007 Microchip Technology Inc.
REGISTER 2-4:
CNF2 - CAN CONFIGURATION REGISTER 2
REGISTER 2-5:
CNF3 - CAN CONFIGURATION REGISTER 3
R/W-0
BTLMODE
SAM
PHSEG12 PHSEG11
PHSEG10
PRSEG2
PRSEG1
PRSEG0
bit 7
bit 0
bit 7
BTL MODE: Length determination of PHSEG2 bit
1
= Length of Phase_Seg2 determined by bits 2:0 of CNF3
0
= Length of Phase_Seg2 is the greater of Phase_Seg1 or IPT(2Tq)
bit 6
SAM: Sample of the CAN bus line bit
1
= Bus line is sampled three times at the sample point
0
= Bus line is sampled once at the sample point
bit 5-3
PHSEG12:PHSEG10: Phase Buffer Segment1 bits
111
= length = 8 x TQ
-
000
= length = 1 x TQ
bit 2-0
PRSEG2:PRSEG0
: Propagation Time Segment bits
111
= length = 8 x TQ
-
000
= length = 1 x T
Θ
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
U-0
R/W-0
U-0
R/W-0
WAKFIL
PHSEG22
PHSEG21
PHSEG20
bit 7
bit 0
bit 7
Unimplemented: (Reads as 0)
bit 6
WAKFIL: Wake-up filter bit
1
= Wake-up filter enabled
0
= Wake-up filter disabled
bit 5-3
Unimplemented: (Reads as 0)
bit 2-0
PHSEG22:PHSEG20: Phase Buffer Segment2 bits
111
= length = 8 x TQ
-
001
= length = 2 x TQ
000
= Invalid
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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