參數(shù)資料
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(yè)數(shù)： 18/67頁(yè)
文件大小： 285K
代理商： UJA1065
9397 750 14409
Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Objective data sheet
Rev. 01 — 10 August 2005
18 of 67
Philips Semiconductors
UJA1065
High-speed CAN/LIN fail-safe system basis chip
6.6.3.2
Voltage regulator V2
Voltage regulator V2 provides a 5 V supply for the CAN transmitter. The pin V2 is intended
for the connection of external buffering capacitors.
V2 is controlled autonomously by the CAN transceiver control system and is activated on
any detected CAN-bus activity, or if the CAN transceiver is enabled by the application
microcontroller. V2 is short-circuit protected and will be disabled in case of an overload
situation. Dedicated bits in the System Diagnosis register and the Interrupt register
provide V2 status feedback to the application.
Besides the autonomous control of V2 there is a software accessible bit which allows
activation of V2 manually (V2C). This allows V2 to be used for other application purposes
when CAN is not actively used (e.g. while CAN is off-line). Generally, V2 should not be
used for other application hardware while CAN is in use.
If the regulator V2 is not able to start within the V2 clamped LOW time (> t
V2(CLT)
), or if a
short-circuit has been detected during an already activated V2, then V2 is disabled and
the V2D bit in the Diagnosis register is cleared. Additionally the CTC bit in the Physical
Layer register is set and the V2C bit is cleared.
Reactivation of voltage regulator V2 can be done by:
Clearing the CTC bit while CAN is in Active mode
Wake up via CAN while CAN is not in Active mode
Setting the V2C bit
When entering CAN Active mode
6.6.4
Switched battery output V3
V3 is a high-side switched BAT42-related output which is used to drive external loads
such as wake-up switches or relays. The features of V3 are as follows:
Three application controlled modes of operation; On, Off or Cyclic mode.
Two different cyclic modes allow the supply of external wake-up switches; these
switches are powered intermittently, thus reducing the system’s power consumption in
case a switch is continuously active; the wake-up input of the SBC is synchronized
with the V3 cycle time.
The switch is protected against current overloads. If V3 is overloaded, pin V3 is
automatically disabled. The corresponding Diagnosis register bit is reset and an
interrupt is forced (if enabled). During Sleep mode, a wake-up is forced and the
corresponding reset source code becomes available in the RSS bits of the System
Status register. This signals that the wake-up source via V3 supplied wake-up
switches has been lost.
6.7 CAN transceiver
The integrated high-speed CAN transceiver of the UJA1065 is an advanced ISO11898-2 /
ISO11898-5 compliant transceiver. In addition to standard high-speed CAN transceivers
the UJA1065 transceiver provides the following features:
Enhanced error handling and reporting of bus and RXD/TXD failures; these failures
are separately identified in the System Diagnosis register
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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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