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參數(shù)資料
| 型號(hào)： | MCP25025-I/P |
| 廠商： | Microchip Technology |
| 文件頁數(shù)： | 2/66頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC I/O EXPANDER CAN 8B 14DIP |
| 標(biāo)準(zhǔn)包裝： | 30 |
| 接口： | 1 線，CAN |
| 輸入/輸出數(shù)： | 8 |
| 中斷輸出： | 無 |
| 頻率 - 時(shí)鐘： | 4MHz |
| 電源電壓： | 2.7 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 通孔 |
| 封裝/外殼： | 14-DIP（0.300"，7.62mm） |
| 供應(yīng)商設(shè)備封裝： | 14-PDIP |
| 包裝： | 管件 |
| 包括： | 存儲(chǔ)器，PWM |
| 配用： | DV250501-ND - KIT DEV CAN MCP250XX |
| 其它名稱： | MCP25025I/P |
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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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