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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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HMS99C52 датащи(PDF) 4 Page - Hynix Semiconductor |
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HMS99C52 датащи(HTML) 4 Page - Hynix Semiconductor |
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4 / 43 page  HMS99C5X Series 0 Jan. 2003 Ver 1.0 HMS99C51 • Fully compatible to standard MCS-51 microcontroller • Wide operating frequency up to 40MHz (for more detail, see “HMS99C5X Series Selection Guide”) • X2 Speed Improvement capability ( X2 Mode : 6 clocks/machine cycle) 20MHz @5V (Equivalent to 40MHz @5V) • 4K bytes FLASH ROM • 128 × 8Bit RAM • 64K external program memory space • 64K external data memory space • Four 8-bit ports • Two 16-bit Timers / Counters •USART • Programmable ALE pin enable / disable (Low EMI) • Five interrupt sources, two priority levels • Power saving Idle and power down mode • P-DIP-40, P-LCC-44, P-MQFP-44 package • Temperature Ranges : -40 °C ~ 85°C Block Diagram RAM 128 × 8 PORT 0 PORT 1 PORT 3 PORT 2 8-BIT USART FLASH ROM 4K × 8 CPU T 0 T 1 I/O I/O I/O I/O |
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