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參數(shù)資料
| 型號： | MCZ33905BS5EK |
| 廠商： | Freescale Semiconductor |
| 文件頁數(shù)： | 65/106頁 |
| 文件大小： | 0K |
| 描述： | IC SBC CAN HS 5.0V 32SOIC |
| 標準包裝： | 42 |
| 應用： | 系統(tǒng)基礎芯片 |
| 接口： | CAN，LIN |
| 電源電壓： | 5.5 V ~ 28 V |
| 封裝/外殼： | 32-BSOP（0.295"，7.50mm 寬）裸露焊盤 |
| 供應商設備封裝： | 32-SOICW 裸露焊盤 |
| 包裝： | 管件 |
| 安裝類型： | 表面貼裝 |
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Analog Integrated Circuit Device Data
Freescale Semiconductor
61
33903/4/5
LIN BLOCK
LIN INTERFACE DESCRIPTION
LIN BLOCK
LIN INTERFACE DESCRIPTION
The physical interface is dedicated to automotive LIN sub-
bus applications.
The interface has 20 kbps and 10 kbps baud rates, and
includes as well as a fast baud rate for test and programming
modes. It has excellent ESD robustness and immunity
against disturbance, and radiated emission performance. It
has safe behavior when a LIN bus short-to-ground, or a LIN
bus leakage during LP mode.
Digital inputs are related to the device VDD pin.
POWER SUPPLY PIN (VSUP/2)
The VSUP/2 pin is the supply pin for the LIN interface. To
avoid a false bus message, an undervoltage on VSUP/2
disables the transmission path (from TXD to LIN) when
VSUP/2 falls below 6.1 V.
GROUND PIN (GND)
When there is a ground disconnection at the module level,
the LIN interface do not have significant current consumption
on the LIN bus pin when in the recessive state.
LIN BUS PIN (LIN, LIN1, LIN2)
The LIN pin represents the single-wire bus transmitter and
receiver. It is suited for automotive bus systems, and is
compliant to the LIN bus specification 2.1 and SAEJ2602-2.
The LIN interface is only active during Normal mode.
Driver Characteristics
The LIN driver is a LS MOSFET with internal overcurrent
thermal shutdown. An internal pull-up resistor with a serial
diode structure is integrated so no external pull-up
components are required for the application in a slave node.
An additional pull-up resistor of 1.0 k
must be added when
the device is used in the master node. The 1.0 k
pull-up
resistor can be connected to the LIN pin or to the ECU battery
supply.
The LIN pin exhibits no reverse current from the LIN bus
line to VSUP/2, even in the event of a GND shift or VSUP/2
disconnection.
The transmitter has a 20 kbps, 10 kbps and fast baud rate,
which are selected by SPI.
Receiver Characteristics
The receiver thresholds are ratiometric with the device
VSUP/2 voltage.
If the VSUP/2 voltage goes below typically 6.1 V, the LIN
bus enters into a recessive state even if communication is
sent on TXD.
If LIN driver temperature reaches the overtemperature
threshold, the transceiver and receiver are disabled. When
the temperature falls below the overtemperature threshold,
LIN driver and receiver will be automatically enabled.
DATA INPUT PIN (TXD-L, TXD-L1, TXD-L2)
The TXD-L,TXD-L1 and TXD-L2 input pin is the MCU
interface to control the state of the LIN output. When TXD-L
is LOW (dominant), LIN output is LOW. When TXD-L is HIGH
(recessive), the LIN output transistor is turned OFF.
This pin has an internal pull-up current source to VDD to
force the recessive state if the input pin is left floating.
If the pin stays low (dominant sate) more than tTXDDOM,
the LIN transmitter goes automatically in recessive state. This
is reported by flag in LIN register.
DATA OUTPUT PIN (RXD-L, RXD-L1, RXD-L2)
This output pin is the MCU interface, which reports the
state of the LIN bus voltage.
LIN HIGH (recessive) is reported by a high voltage on
RXD, LIN LOW (dominant) is reported by a low voltage on
RXD.
LIN OPERATIONAL MODES
The LIN interface have two operational modes, Transmit
receiver and LIN disable modes.
TRANSMIT RECEIVE
In the TXD/RXD mode, the LIN bus can transmit and
receive information.
When the 20 kbps baud rate is selected, the slew rate and
timing are compatible with LIN protocol specification 2.1.
When the 10 kbps baud rate is selected, the slew rate and
timing are compatible with J2602-2.
When the fast baud rate is selected, the slew rate and
timing are much faster than the above specification and allow
fast data transition. The LIN interface can be set by the SPI
command in TXD/RXD mode, only when TXD-L is at a high
level. When the SPI command is send while TXD-L is low, the
command is ignored.
SLEEP MODE
This mode is selected by SPI, and the transmission path is
disabled. Supply current for LIN block from VSUP/2 is very low
(typically 3.0
A). LIN bus is monitor to detect Wake-up
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MCZ33905BS5EKR2 | 功能描述:CAN 接口集成電路 5V SBC HSCAN SNGL LIN 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 |
| MCZ33905BS5R2 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:SBC Gen2 with CAN High Speed and LIN Interface |
| MCZ33905CD3EK | 功能描述:CAN 接口集成電路 3.3V SBC HSCAN DUAL LIN 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 |
| MCZ33905CD3EKR2 | 制造商:Freescale Semiconductor 功能描述:3.3V REG + CAN + 2 LIN - Tape and Reel 制造商:Freescale Semiconductor 功能描述:SYSTEM BASIS CHIP, 2 LIN, 2X 3.3 V/400MA LDOS, 2/3/4 WAKEUP, - Tape and Reel 制造商:Freescale Semiconductor 功能描述:IC SBC CAN HS 3.3V 54SOIC |
| MCZ33905CD5EK | 功能描述:CAN 接口集成電路 5.0V SBC HSCAN DUAL LIN 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 |
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