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| 型号： | MCZ33781EK |
| 厂商： | Freescale Semiconductor |
| 文件页数： | 1/44页 |
| 文件大小： | 0K |
| 描述： | IC MASTER DSI 2.02 DIFF 32-SOIC |
| 标准包装： | 42 |
| 应用： | 车载系统 |
| 接口： | SPI |
| 电源电压： | 4.75 V ~ 5.25 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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Document Number: MC33781
Rev. 5.0, 11/2009
Freescale Semiconductor
Advance Information
* This document contains certain information on a new product.
Specifications and information herein are subject to change without notice.
Freescale Semiconductor, Inc., 2007-2009. All rights reserved.
Quad DSI 2.02 Master with
Differential Drive and
Frequency Spreading
The 33781 is a master device for four differential DSI 2.02 buses.
It contains the logic to interface the buses to a standard serial
peripheral interface (SPI) port and the analog circuitry to drive data
and power over the bus, as well as receive data from the remote slave
devices.
The differential mode of the 33781 generates lower
electromagnetic interference (EMI) in situations where data rates and
wiring make this a problem. Frequency spreading further reduces
interference by spreading the energy across many frequencies,
reducing the energy in any single frequency.
Features
Four independent differential DSI (DBUS) channels
Dual SPI interface
Enhanced bus fault performance
Automatic message cyclical redundancy checking (CRC)
generation and checking for each channel
Enhanced register set with addressable buffer allows queuing of 4
independent slave commands at one time for each channel
8- to 16-Bit messages with 0- to 8-Bit CRC
Independent frequency spreading for each channel
Pseudo bus switch feature on channel 0
Pb-free packaging designated by suffix code EK
Figure 1. 33781 Simplified Application Diagram
DIFFERENTIAL DSI 2.02 MASTER
33781
ORDERING INFORMATION
Device
Temperature
Range (TA)
Package
MCZ33781EK/R2
-40°C to 90°C
32 SOICW EP
EK SUFFIX (PB-FREE)
98ASA10556D
32-PIN SOICW EP
VCC
SCLK0
CS0
MOSI0
MISO0
RST
CLK
SCLK1
MISO1
CS1
VSUP1
DPH
DPL
D0H
D0L
D1H
D1L
D2H
D2L
VCC
SCLK
CS
MOSI
MISO
RST
CLK
MCU1
33781
MCU2
SCLK1
MISO1
CS1
GND
+5.0V
GND
D3H
D3L
GND
2.2nF capacitors from DOH, D0L,
D1H, D1L, D2H, D2L, D3H and D3L
to circuit ground are required for
proper operation
DBUS SLAVE
+25V
VDD
VSS_IDDQ
AGND
VSS
1.0
μF
0.1
μF
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MCZ33781EKR2 | 功能描述:输入/输出控制器接口集成电路 DBUS2 MASTER STND RoHS:否 制造商:Silicon Labs 产品: 输入/输出端数量: 工作电源电压: 最大工作温度:+ 85 C 最小工作温度:- 40 C 安装风格:SMD/SMT 封装 / 箱体:QFN-64 封装:Tray |
| MCZ33784EF | 功能描述:加速计 - 板上安装 DBUS2 SENSOR INTERFACE RoHS:否 制造商:Murata 传感轴:Double 加速:12 g 灵敏度: 封装 / 箱体: 输出类型:Analog 数字输出 - 位数:11 bit 电源电压-最大:5.25 V 电源电压-最小:4.75 V 电源电流:4 mA 最大工作温度:+ 125 C 最小工作温度:- 40 C |
| MCZ33784EF/R2- | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:DSI 2.02 Sensor Interface |
| MCZ33784EFR2 | 功能描述:加速计 - 板上安装 DBUS2 SENSOR INTERFACE RoHS:否 制造商:Murata 传感轴:Double 加速:12 g 灵敏度: 封装 / 箱体: 输出类型:Analog 数字输出 - 位数:11 bit 电源电压-最大:5.25 V 电源电压-最小:4.75 V 电源电流:4 mA 最大工作温度:+ 125 C 最小工作温度:- 40 C |
| MCZ33789AE | 功能描述:网络控制器与处理器 IC Airbag ASSP RoHS:否 制造商:Micrel 产品:Controller Area Network (CAN) 收发器数量: 数据速率: 电源电流（最大值）:595 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:PBGA-400 封装:Tray |
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