DMC73C168 데이터 시트보기 (PDF) - Daewoo Semiconductor
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DMC73C168 Datasheet PDF : 82 Pages
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8Bit Single Chip Microcontroller
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DMC73C168
1. INTRODUCTION
The DMC73C168 is an 8-Bit microcontroller that contains Prescaler, PLL Frequency Synthesizer
and 2 channel A/D converter for Digital Tuning System.
The device is provided with abundant I/O ports and 2 channel serial interface ports (SI/O) controlled
by powerful instruction. The package is 80-pin QFP and hi gh performance CPU and internal peripheral
allow flexible and easy system design in car-stereo, radio tuner and Hi-Fi audio system.
1.1 Key Features
n CMOS Technology
n Memory Configuration
l 256 Byte On-Chip RAM Register file plus 128 Byte Peripheral Free RAM
l Memory-Mapped Ports for Easy Addressing
l 16K-Byte On-Chip ROM
n On-Chip PLL Frequency Synthesizer with Dual Modules Prescaler
l Independant Frequency input ports : Max 150MHz at FM, 40MHz at AM
l Two Types of Frequency Dividing Method : Pulse Swallow and Direct
l 8 Kinds of reference Frequencies : 1, 5, 6.25, 9, 10, 12.5, 25 and 50KHz
n 2 Channel SIO port
n 2 Channel On-Chip Timer
l 16-Bit with 5-Bit Prescaler and 16-Bit capture latch, timer outputs
l Internal interrupt with Automatic timer Reload
n On-Chip A/D Converter
l 2-channels with 8 bit resolution
l Ratiometric Conversion
l 144 Machine-Cycles Conversion time (64us)
n On-Chip IF Counter
l 17-Bit, Gate Time : Program can select from 1ms to 15ms
l maximum Input Frequency : FM IF = 20MHz, AM IF = 5MHz
n Easy Interrupt Handling
l External Interrupts with Schmitt-Trigger Input
l Software Calls through Interrupt Vectors
l Software Monitoring of Interrupt Status
l Precise Interrupt Timing through Capture Latch
n Selectable Beep clock : 417Hz, 1KHz, 1.25KHz, 2.5KHz
n 64 I/O Pins
l 64 Bidirectional Pins
n W ide Operating Range
l Voltage(VDD) : 5V ¡ 1¾0%
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DAEWOO ELECTRONICS CO., LTD.
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