83C196KB Ver la hoja de datos (PDF) - Intel

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83C196KB

Advanced 16-bit CHMOS microcomputer ROMless

Intel 

AUTOMOTIVE 8XC196KB

A to D CHARACTERISTICS

There are two modes of A D operation with and

without clock prescaler The modes are shown in the

table below In mode 2 with the clock prescaler dis-

abled the maximum XTAL1 frequency is 8 0 MHz

Accuracy will degrade at higher frequencies in this

mode The frequency divider option is provided to

obtain higher accuracy outside of the currently spec-

ified operating conditions

The converter is ratiometric so the absolute accura-

cy is directly dependent on the accuracy and stability

of VREF VREF must be close to VCC since it supplies

both the resister ladder and the digital section of the

converter

A D Converter Specifications

The specifications given below assume adherence

to the operating conditions section of this data

sheet Testing is performed in mode 2 with VREF e

5 12V and 8 MHz operating clock frequency

WAVEFORM SERIAL PORT SHIFT REGISTER MODE

SERIAL PORT WAVEFORM SHIFT REGISTER MODE

270679 – 28

Clock Prescaler ON

IOC2 4 e 0

Mode 1 158 States for Execution

26 33 ms 12 MHz

Clock Prescaler OFF

IOC2 4 e 1

Mode 2 91 States for Execution

22 75 ms 8 MHz (Maximum)

NOTE

IOC2 3 e 0 The No Sample and Hold feature is not available on the 8XC196KB device

14

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