参数资料
型号: MC33790DW/R2
厂商: MOTOROLA INC
元件分类: 网络接口
英文描述: Two-Channel Distributed System Interface (DSI) Physical Interface Device
中文描述: DATACOM, INTERFACE CIRCUIT, PDSO16
封装: PLASTIC, SOIC-16
文件页数: 1/12页
文件大小: 263K
代理商: MC33790DW/R2
MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
This document contains certain information on a new product.
Specifications and information herein are subject to change without notice.
Motorola, Inc. 2003
33790 Simplified Application Diagram
Document order number: MC33790/D
Rev 5.0, 07/2003
33790
Advance Information
TWO-CHANNEL DISTRIBUTED
SYSTEM INTERFACE (DSI)
PHYSICAL INTERFACE DEVICE
Two-Channel Distributed System
Interface (DSI) Physical Interface
Device
The 33790 is a two-channel physical layer interface IC for the Distributed
System Interface (DSI) bus. It is designed to meet automotive requirements. It
can also be used in nonautomotive applications. It supports bidirectional
communication between slave and master ICs. Some slave devices derive a
regulated 5.0 V from the bus, which can be used to power sensors, thereby
eliminating the need for additional circuitry and wiring.
Features
Two Independent DSI Compatible Busses
Pinout Matched to MC68HC55 (SPI to DSI Logic)
Wave-Shaped Bus Output Voltage
Independent Thermal Shutdown and Current Limit
Return Signalling Current Detection
Internal Logic Input Pull-Ups and Pull-Downs
On-Board Charge Pump
2.0 kV ESD Capability
Communications Rate Up to 150 kbps
DW SUFFIX
CASE 751G
16-LEAD SOICW
BUS_IN
BUS_OUT
CPCAP
MC68HC55
33790
DSI1R
DSI1S
DSI1F
DSI0R
DSI0S
DSI0F
DSI1O
DSI0O
GND
+5.0 V
DSIBUS1
0.1
F
BUS_IN
BUS_OUT
BUS_IN
33791
33793
DSI Slave Device
33927
+25 V
VDD
DSIBUS0
VSUP
ORDERING INFORMATION
Device
Temperature
Range (TJ)
Package
MC33790DW/R2
-40°C to 150°C
16 SOICW
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