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| 型號(hào)： | UJA1065 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | High-speed CAN/LIN fail-safe system basis chip |
| 中文描述： | 高速的CAN / LIN故障防護(hù)系統(tǒng)基礎(chǔ)芯片 |
| 文件頁數(shù)： | 24/67頁 |
| 文件大?。?/td> | 285K |
| 代理商： | UJA1065 |
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9397 750 14409
Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Objective data sheet
Rev. 01 — 10 August 2005
24 of 67
Philips Semiconductors
UJA1065
High-speed CAN/LIN fail-safe system basis chip
During Active mode, with no short-circuit between the LIN-bus and GND, pin RTLIN
provides an internal switch to BAT42. For master and slave operation an external resistor,
1 k
or 30 k
respectively, can be applied between pins RTLIN and LIN. An external
diode in series with the termination resistor is not required due to the incorporated internal
diode.
6.8.4
LIN driver capability
Setting the LDC bit in the Physical Layer Control register will increase the driver capability
of the LIN output stage. This feature is used in auto-addressing systems, where the
standard LIN 2.0 drive capability is insufficient.
6.8.5
Bus and TXDL failure detection
The SBC handles and reports the following LIN-bus related failures:
LIN-bus shorted to ground
LIN-bus shorted to V
BAT14
or V
BAT42
; the transmitter is disabled
TXDL clamped dominant; the transmitter is disabled
These failure events force an interrupt to the microcontroller whenever the status changes
and the corresponding interrupt is enabled.
6.8.5.1
TXDL dominant clamping
If the TXDL pin is clamped dominant for longer than t
TXDL(dom)
the LIN transmitter is
disabled. After the TXDL pin becomes recessive the transmitter is re-activated
automatically when detecting bus activity or manually by setting and clearing the LTC bit.
Fig 12. States of the RTLIN pin
001aad183
RTLIN = OFF
power-on
RTLIN = ON
supplied directly
out of BAT42
RTLIN = 75
μ
A
supplied directly
out of BAT42
Off-line mode
AND receiver dominant
>
t
LIN(dom)
Off-line mode
AND receiver recessive
>
t
LIN(rec)
Active mode and receiver recessive
>
t
LIN(rec)
OR mode change to Active mode
Active mode and receiver dominant
>
t
LIN(dom)
OR Off-line mode
mode change to Active mode
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| UJA1065TW | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:High-speed CAN/LIN fail-safe system basis chip |
| UJA1065TW/3V0 | 功能描述:網(wǎng)絡(luò)控制器與處理器 IC HI SPEED CAN SYSTEM RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray |
| UJA1065TW/3V0,512 | 功能描述:CAN 接口集成電路 HI SPEED CAN SYSTEM 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 |
| UJA1065TW/3V0,518 | 功能描述:網(wǎng)絡(luò)控制器與處理器 IC HI SPEED CAN SYSTEM RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray |
| UJA1065TW/3V0512 | 制造商:NXP Semiconductors 功能描述:CONTROLLER SYS CAN/LIN 3V 32HTSSOP |
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