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參數資料
| 型號： | 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故障防護系統基礎芯片 |
| 文件頁數： | 20/67頁 |
| 文件大小： | 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
20 of 67
Philips Semiconductors
UJA1065
High-speed CAN/LIN fail-safe system basis chip
6.7.1.1
Active mode
In Active mode the CAN transceiver can transmit data to and receive data from the CAN
bus. To enter Active mode the CMC bit must be set in the Physical Layer register and the
SBC must be in Normal mode or Flash mode. In Active mode voltage regulator V2 is
activated automatically.
The CTC bit can be used to set the CAN transceiver to a Listen-only mode. The
transmitter output stage is disabled in this mode.
After an overload condition on voltage regulator V2, the CTC bit must be cleared for
reactivating the CAN transmitter.
When leaving Active mode the CAN transmitter is disabled and the CAN receiver is
monitoring the CAN-bus for a valid wake-up. The CAN termination is then working
autonomously.
6.7.1.2
On-line mode
In On-line mode the CAN bus pins and pin SPLIT (if enabled) are biased to the normal
levels. The CAN transmitter is de-activated and RXDC reflects the CAN wake-up status. A
CAN wake-up event is signalled to the microcontroller by clearing RXDC.
If the bus stays continuously dominant or recessive for the Off-line time (t
off-line
), the
Off-line state will be entered.
6.7.1.3
On-line Listen mode
On-line Listen mode behaves similar to On-line mode, but all activity on the CAN-bus, with
exception of a special global wake-up request, is ignored. The global wake-up request is
described in
Section 6.7.2
. Pin RXDC is kept HIGH.
6.7.1.4
Off-line mode
Off-line mode is the low power mode of the CAN transceiver. The CAN transceiver is
disabled to save supply current and is high-ohmic terminated to ground.
The CAN off-line time is programmable in two steps with the CAN Off-line Timer Control
(COTC) bit. When entering On-line (Listen) mode from Off-line mode the CAN off-line time
is temporarily extended to t
off-line(ext)
.
6.7.2
CAN wake-up
To wake-up the UJA1065 via CAN it has to be distinguished between a conventional
wake-up and a global wake-up in case partial networking is enabled (bit CPNC = 1).
To pass the wake-up filter for a conventional wake-up a dominant, recessive, dominant,
recessive signal on the CAN bus is needed; see
Figure 9
.
For a global wake-up out of On-line Listen mode two distinct CAN data patterns are
required:
Initial message: C6 EE EE EE EE EE EE EF
Global wake-up message: C6 EE EE EE EE EE EE 37
The second pattern must be received within t
timeout
after receiving the first pattern. Any
CAN-ID can be used with these data patterns.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| 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:網絡控制器與處理器 IC HI SPEED CAN SYSTEM RoHS:否 制造商:Micrel 產品:Controller Area Network (CAN) 收發器數量: 數據速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風格: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:網絡控制器與處理器 IC HI SPEED CAN SYSTEM RoHS:否 制造商:Micrel 產品:Controller Area Network (CAN) 收發器數量: 數據速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風格: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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