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参数资料
| 型号： | MCZ33905S5EK |
| 厂商： | Freescale Semiconductor |
| 文件页数： | 64/106页 |
| 文件大小： | 0K |
| 描述： | IC SYSTEM BASIS CHIP GEN2 32SOIC |
| 标准包装： | 42 |
| 应用： | 系统基础芯片 |
| 接口： | CAN，LIN |
| 电源电压： | 5.5 V ~ 27 V |
| 封装/外壳： | 32-BSOP（0.295"，7.50mm 宽）裸露焊盘 |
| 供应商设备封装： | 32-SOICW 裸露焊盘 |
| 包装： | 管件 |
| 安装类型： | 表面贴装 |
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Analog Integrated Circuit Device Data
60
Freescale Semiconductor
33903/4/5
CAN INTERFACE
CAN BUS FAULT DIAGNOSTIC
Once the error is detected the driver is disabled and the
error is reported via SPI in CAN register.
Recovery Condition
The internal recovery is done by sampling a correct low
level at TXD as shown in the following illustration.
Figure 40. RXD Path Simplified Schematic, RXD Short to VDD Detection
TXD PERMANENT DOMINANT
Principle
If the TXD is set to a permanent low level, the CAN bus is
set into dominant level, and no communication is possible.
The device has a TXD permanent timeout detector. After the
timeout (TDOUT), the bus driver is disabled and the bus is
released into a recessive state. The TXD permanent flag is
set.
Recovery
The TXD permanent dominant is used and activated when
there is a TXD short to RXD. The recovery condition for a
TXD permanent dominant (recovery means the re-activation
of the CAN drivers) is done by entering into a Normal mode
controlled by the MCU or when TXD is recessive while RXD
change from recessive to dominant.
TXD TO RXD SHORT-CIRCUIT
Principle
When TXD is shorted to RXD during incoming dominant
information, RXD is set to low. Consequently, the TXD pin is
low and drives CANH and CANL into a dominant state. Thus
the bus is stuck in dominant. No further communication is
possible.
Detection and Recovery
The TXD permanent dominant timeout will be activated and
release the CANL and CANH drivers. However, at the next
incoming dominant bit, the bus will then be stuck in dominant
again. The recovery condition is same as the TXD dominant
failure
IMPORTANT INFORMATION FOR BUS DRIVER
REACTIVATION
The driver stays disabled until the failure is/are removed
(TXD and/or RXD is no longer permanent dominant or
recessive state or shorted) and the failure flags cleared
(read). The CAN driver must be set by SPI in TXD/RXD mode
in order to re enable the CAN bus driver.
CANL&H
Diff output
RXD output
RXD short to VDD
RXD flag
RXD flag latched
Sampling
The RXD flag is not the RXPR bit in the LPC register, and neither is the CANF in the INTR register.
RXD no longer shorted to VDD
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MCZ33905S5EK/R2 | 制造商:Freescale Semiconductor 功能描述:IC SBC GEN2 CAN LIN X1 32SOIC 制造商:Freescale Semiconductor 功能描述:IC, SBC, GEN2, CAN, LIN X1, 32SOIC |
| MCZ33905S5EKR2 | 功能描述:CAN 接口集成电路 5V SBC HSCAN SNGL LIN RoHS:否 制造商:Texas Instruments 类型:Transceivers 工作电源电压:5 V 电源电流: 工作温度范围:- 40 C to + 85 C 封装 / 箱体:SOIC-8 封装:Tube |
| MCZ33905S5R2 | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:SBC Gen2 with CAN High Speed and LIN Interface |
| MCZ33927EK | 功能描述:功率驱动器IC THREE PHASE PRE- DRIVER RoHS:否 制造商:Micrel 产品:MOSFET Gate Drivers 类型:Low Cost High or Low Side MOSFET Driver 上升时间: 下降时间: 电源电压-最大:30 V 电源电压-最小:2.75 V 电源电流: 最大功率耗散: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube |
| MCZ33927EK/R2 | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:Three-Phase Field Effect Transistor Pre-Driver |
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