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Freescale Semiconductor Electronic Components Datasheet

33793A Datasheet

Distributed System Interface (DSI) Sensor Interface

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Freescale Semiconductor
Technical Data
Distributed System Interface (DSI)
Sensor Interface
Document Number: MC33793
Rev 15.0, 2/2014
33793/A
The 33793 is a slave Distributed System Interface (DSI) device that is
optimized as a sensor interface. The device contains circuits to power
sensors such as accelerometers and to digitize the analog level from the
sensor. The device is controlled by commands over the DSI bus and
returns measured data over the bus. This device is powered using
SMARTMOS technology.
Features
• Conforms to DSI specification version 1
• 4-channel, 8-Bit analog-to-digital converter (ADC)
• 4 pins configurable as analog or logic inputs or as logic outputs
• Provides regulated +5.0 V output for sensor power from bus
• Additional high-drive logic output
• Undervoltage fault detection and signaling
• On-board clock (no external elements required)
• Field-programmable address
• Default and field-programmable as a DSI daisy chain device
• Recognizes reverse initialization for open bus fault tolerance
• Detects short to battery on bus switch and prevents its closure
DISTRIBUTED SYSTEM INTERFACE
SCALE 2:1
EF SUFFIX (Pb-FREE)
98ASB42566B
16-PIN SOICN
Applications
• Simple bus-controlled part for remote control and
sensing
• Automotive, aircraft, marine and industrial control
and safety systems
• Heating and air-conditioning
33790
GND
DSIO
X-Y
Accelerometer
Error
Test
X
Y
VCC
GND
33793
BUSIN
BUSRTN
I/O0
I/O1
I/O2
I/O3 BUSOUT
H_Cap
REGOUT
LOGOUT
AGND
Multiple
DSI Slaves
33793
BusIN
Figure 1. 33793 Simplified Application Diagram
© Freescale Semiconductor, Inc., 2006-2014. All rights reserved.


Freescale Semiconductor Electronic Components Datasheet

33793A Datasheet

Distributed System Interface (DSI) Sensor Interface

No Preview Available !

ORDERABLE PARTS
ORDERABLE PARTS
Table 1. Orderable Part Variations
Part Number
MCZ33793EF/R2
MCZ33793AEF/R2
Temperature (TA)
-40 to 150 °C
Package
16 SOICN
Other Significant Device Variations
Existing capacity
Capacity expansion
33793
2
Analog Integrated Circuit Device Data
Freescale Semiconductor


Part Number 33793A
Description Distributed System Interface (DSI) Sensor Interface
Maker Freescale Semiconductor
Total Page 27 Pages
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