MC88920EGR2

Ratio - Input:Output:	1:6
Base Part Number:	MC88920
Supplier Device Package:	20-SOIC
Package / Case:	20-SOIC (0.295", 7.50mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	0°C ~ 70°C
Voltage - Supply:	4.5 V ~ 5.5 V
Frequency - Max:	50MHz
Differential - Input:Output:	No/No
Series:	--
Number of Circuits:	1
Output:	CMOS
Input:	CMOS, TTL
Main Purpose:	CISC/RISC Microprocessor
PLL:	Yes
Part Status:	Active
Packaging:	Tape & Reel (TR)

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MC88920EGR2 Application Specific

Introduction

The MC88920EGR2 is a highly precise application-specific microcontroller from NXP Semiconductors. It is the exact chip that is used in timing applications, such as clock mechanisms, frequency counters and other signal processing applications. It is an 8-bit, 16 MHz device with an onboard analog-to-digital converter and a host of other useful features.

Features

The MC88920EGR2 offers a variety of features meant to accommodate a variety of timing applications. It offers up to 16 MHz CPU speed, a set of timer/counters, RAM and ROM, as well as EEPROM and magnetic memory support. It also contains an onboard 8-pin analog-to-digital converter and support for a 4-pin unidirectional serial interface. This device is designed for use in timing and counting applications, such as in frequency counters, graphics processors and communications receivers.

Benefits

The MC88920EGR2 has quite a few benefits. It has a maximum clock speed of 16 MHz and offers many programmable features, including an 8-pin analog-to-digital converter. This allows for rapid and precise signal processing, with minimal power draw. Additionally, since it is designed for use in timing and counting applications, this chip eliminates the need for external components, making for a very reliable device.

Working Principle

The MC88920EGR2 functions by using a master clock source to generate its own timing signals, using a combination of counters and dividers. These timing signals can be used to measure frequency or generate timing delays, while the combined counter and divider circuit has a wide range of uses, such as generating a control signal of arbitrary period or dividing a clock signal into high and low pulses.

Applications

The MC88920EGR2 is primarily used in applications that require precise timing and counting measures, such as in frequency counters, timing controllers and clock mechanisms. It is also used in other signal processing applications, such as in graphics processors and communications receivers, as the onboard 8-pin A/D converter can be used to measure incoming signals. In addition, this device can be used to generate accurate periods, control pulses, and baud rates.

Conclusion

The MC88920EGR2 from NXP Semiconductors is a highly precise application-specific microcontroller designed for use in timing and counting applications. With its maximum 16 MHz clock speed, 8-pin A/D converter, RAM, ROM and EEPROM memory, and 4-pin serial interface, this chip eliminates the need for external components while providing accurate and reliable signal processing. The MC88920EGR2 is a great choice for those who need a highly precise timing device with low power requirements.

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