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MC33790 Datasheet

Two-Channel Distributed System Interface (DSI) Physical Interface Device

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MOTOROLA
Freescale Semiconductor, Inc.
SEMICONDUCTOR TECHNICAL DATA
Document order number: MC33790/D
Rev 6.0, 02/2004
Advance Information
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.
33790
TWO-CHANNEL DISTRIBUTED
SYSTEM INTERFACE (DSI)
PHYSICAL INTERFACE DEVICE
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
• Motorola now offers Pb-free packages with sufix code EG
EG (Pb free) SUFFIX
DW SUFFIX
CASE 751G
ORDERING INFORMATION
Device
Temperature
Range (TJ)
Package
MC33790DW/R2 -40°C to 150°C 16 SOICW
MC33790EG/R2 -40°C to 150°C 16 SOICW
MC68HC55
33790 Simplified Application Diagram
33790
DSI0F
DSI0S
DSI0R
DSI1F
DSI1S
DSI1R
CPCAP
VDD
GND
DSI0O
VSUP
DSI1O
GND
+5.0 V
0.1 µF
DSIBUS0
+25 V
DSIBUS1
33791
DSI Slave Device
BUS_IN
33793
BUS_OUT
BUS_IN
33927
BUS_OUT
BUS_IN
BUS_IN
This document contains certain information on a new product.
Specifications and information herein are subject to change without notice.
© Motorola, Inc. 2003
For More Information On This Product,
Go to: www.freescale.com


Motorola Electronic Components Datasheet

MC33790 Datasheet

Two-Channel Distributed System Interface (DSI) Physical Interface Device

No Preview Available !

Freescale Semiconductor, Inc.
DSI0F
DSI0S
VDD (+5.0 V) CPCAP
+ Internal
Bias
Charge
Pump
Wave-
Shaper
Transmitter
Driver
VSUP (IDLE Level)
Bus Supply
Voltage
Bus Current
Sense
DSI0O
DSI Bus
DSI0R
DSI1F
DSI1S
+
Wave-
Shaper
Transmitter
Driver
Bus Current
Sense
GND
DSI1O
DSI Bus
DSI1R
Figure 1. 33790 Simplified Internal Block Diagram
33790
2
MOTOROLA ANALOG INTEGRATED CIRCUIT DEVICE DATA
For More Information On This Product,
Go to: www.freescale.com


Part Number MC33790
Description Two-Channel Distributed System Interface (DSI) Physical Interface Device
Maker Motorola
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MC33790 Datasheet PDF






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