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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(yè)數(shù)： | 27/67頁(yè) |
| 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
27 of 67
Philips Semiconductors
UJA1065
High-speed CAN/LIN fail-safe system basis chip
If an interrupt is not read out within t
RSTN(INT)
a system reset is performed.
6.12 Temperature protection
The temperature of the SBC chip is monitored as long as the microcontroller voltage
regulator V1 is active. To avoid an unexpected shutdown of the application by the SBC,
the temperature protection will not switch-off any part of the SBC or activate a defined
system stop of its own accord. If the temperature is too high it generates an interrupt to
the microcontroller, if enabled, and the corresponding status bit will be set. The
microcontroller can then decide whether to switch-off parts of the SBC to decrease the
chip temperature.
6.13 SPI interface
The Serial Peripheral Interface (SPI) provides the communication link with the
microcontroller, supporting multi-slave and multi-master operation. The SPI is configured
for full duplex data transfer, so status information is returned when new control data is
shifted in. The interface also offers a read-only access option, allowing registers to be
read back by the application without changing the register content.
The SPI uses four interface signals for synchronization and data transfer:
SCS - SPI chip select; active LOW
SCK - SPI clock; default level is LOW due to low-power concept
SDI - SPI data input
SDO - SPI data output; floating when pin SCS is HIGH
Bit sampling is performed on the falling clock edge and data is shifted on the rising clock
edge; see
Figure 15
.
Fig 15. SPI timing protocol
SCS
SCK
01
sampled
floating
floating
mce634
X
X
MSB
14
13
12
01
LSB
MSB
14
13
12
01
LSB
X
SDI
SDO
02
03
04
15
16
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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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