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DMC73C168 Fiches technique(PDF) 3 Page - Daewoo Semiconductor |
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DMC73C168 Fiches technique(HTML) 3 Page - Daewoo Semiconductor |
3 / 82 page 3 8Bit Single Chip Microcontroller DMC73C168 1. INTRODUCTION The DMC73C168 is an 8-Bit microcontroller that contains Prescaler, PLL Frequency Synthesizer and 2 channel A/D conv erter 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 Conv ersion 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 ¡ ¾ 10% £Ä£Á£Å£×£Ï£Ï DAEWOO ELECTRONICS CO., LTD. |
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Description similaire - DMC73C168 |
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