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33793_10

更新时间： 2022-09-18 16:05:54

品牌	Logo	应用领域
飞思卡尔 - FREESCALE		/
页数	文件大小	规格书
27页	946K
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Distributed System Interface

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33793_10 数据手册

Document Number: MC33793

Rev 14.0, 5/2010

Freescale Semiconductor

Technical Data

Distributed System Interface

(DSI) Sensor Interface

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.

DISTRIBUTED SYSTEM INTERFACE

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

SCALE 2:1

EF SUFFIX (Pb-FREE)

98ASB42566B

• Under-voltage fault detection and signaling

16-PIN SOICN

• 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

• Pb-free packaging designated by suffix code EF

ORDERING INFORMATION

Temperature

Device

Package

Range (T )

MCZ33793EF/R2

MCZ33793AEF/R2

-40°C to 150°C

16 SOICN

33790

GND

DSIO

33793

X-Y

Multiple

Accelerometer

BUSIN

I/O0

BUSRTN

DSI Slaves

Error

Test

I/O1

33793

I/O2

I/O3

BUSOUT

BusIN

H_Cap

REGOUT

LOGOUT

GND

AGND

Figure 1. 33793 Simplified Application Diagram

Freescale Semiconductor, Inc. reserves the right to change the detail specifications, as

may be required, to permit improvements in the design of its products.

12 3 4 5 6 7...27

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