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參數資料
| 型號： | UJA1061 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Low speed CAN/LIN system basis chip |
| 中文描述： | 低高速CAN / LIN系統基礎芯片 |
| 文件頁數： | 37/81頁 |
| 文件大小： | 323K |
| 代理商： | UJA1061 |
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2004 Mar 22
37
Philips Semiconductors
Objective specification
Low speed CAN/LIN system basis chip
UJA1061
6.14.4
S
YSTEM DIAGNOSIS REGISTER
This register allows status information to be read back from the UJA1061.
Table 5
DIAG - System Diagnosis register (address 00) bit description
BIT
SYMBOL
DESCRIPTION
VALUE
FUNCTION
15, 14
13
12
A1, A0
RRS
RO
register address
Read Register Select
Read Only
00
1
1
read system diagnosis register (DIAG)
read System Diagnosis register without writing to Mode
register
read System Diagnosis register and write to Mode register
system GND is worse than selected threshold
system GND is better than selected threshold
TXDC is clamped dominant
RXDC is clamped dominant
RXDC is clamped recessive
BUS is clamped dominant (dual failure situation)
BUS is clamped recessive (dual failure situation)
reserved
CANH is shorted to CANL (failure case 7)
CANL is shorted to V
CC
(failure case 6a)
CANL is shorted to VBAT (failure case 6)
CANH is shorted to GND (failure case 5)
CANL is shorted to GND (failure case 4)
CANH is shorted to V
CC
(failure case 3a)
CANH is shorted to VBAT (failure case 3)
CANL wire is interrupted (failure case 2)
CANH wire is interrupted (failure case 1)
no failure
TXDL is clamped dominant
LIN is shorted to GND (dominant clamped)
LIN is shorted to VBAT (recessive clamped)
no failure
OK; after a detected short-circuit; the bit is set again with
activating V3 via the V3C control bits
fail; V3 is disabled due to a short circuit situation
OK; note 1
fail; V2 is disabled due to a short-circuit situation
OK; V1 always above RAM retention threshold since last
read access
fail; V1 was below RAM retention threshold since last read
access; bit is set again with read access
0
1
0
11
GSD
Ground Shift
Diagnosis
10 to 7
CANFD
CAN failure diagnosis
1111
1110
1101
1100
1011
1010
1001
1000
0111
0110
0101
0100
0011
0010
0001
0000
11
10
01
00
1
6, 5
LINFD
LIN failure diagnosis
4
V3D
V3 diagnosis
0
1
0
1
3
V2D
V2 diagnosis
2
V1D
V1 diagnosis
0
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相關代理商/技術參數 |
參數描述 |
|---|---|
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| UJA1061TW/3V0,512 | 制造商:NXP Semiconductors 功能描述: |
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| UJA1061TW/3V3/C/T, | 功能描述:CAN 接口集成電路 FT CAN/LIN fail-safe system basis chip RoHS:否 制造商:Texas Instruments 類型:Transceivers 工作電源電壓:5 V 電源電流: 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:SOIC-8 封裝:Tube |
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