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 0.5M BYTE(256K*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