CHIP FEATURES. ● DUAL OPERATION FREQUENCIES: - 32.768 KHZ & 0.5 SECOND TIMER INTERRUPT. - BUILT-IN PLL CIRCUIT TO GENERATE SYSTEM CLOCK MAX 20MHZ. ● BUILT-IN 2KBYTES(1K*16) RAM. ● ADDRESS UP TO 8MBYTE(4M*16) RAM OR ROM OR “ROM AND RAM” BUILT-IN 16KBYTE(8K*16) PROGRAM ROM AND 1.5M BYTE(768K*16) DATA ROM ● BUILT-IN DECOMPRESSION ENGINE THE VOICE AND MUSIC DE-COMPRESSION RATE IS AS THE FOLLOWS: - 2.25KBIT/SEC - 2.7KBIT/SEC - 3.15KBIT/SEC - 3.6KBIT/SEC - 4.8KBIT/SEC - 6.0KBIT/SEC - 7.2KBIT/SEC - 8.4KBIT/SEC - 9.6KBIT/SEC - 10.8KBIT/SEC - 12.0 KBIT/SEC - 13.2 KBIT/SEC - 14.4 KBIT/SEC ● BUILT-IN 12 BITS D/A, 8 BITS ADC. ● I/O PORTS 16 I/O PINS FOR PORT A. 12 OUTPUT FOR PORT B. 16 I/O PINS FOR PORT C. ● TWO 16BITS TIMERS : TIMER_A AND TIMER_B. ● WATCHDOG TIMER. ● SLEEP MODE : CRYSTAL & SYSTEM
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