SNC725

· Power supply: 2.4V ~ 3.6V (for 2 battery application)
                          3.6V ~ 5.1V (for 3 battery application)
· Built-in a 16-bit DSP (Very Light Structure)
· Software-based voice/melody processing
· Rich Function Instruction Set
· System Clock
    -  16MHz crystal or R-C type oscillator for system clock
    -  0.25s real time clock is form 32768Hz crystal
· 8 MIPS CPU performance
· I/O Ports:
    -  16 I/O pins (P0.0~P0.15) and 8 input pins (P1.0~P1.7)
    -  P0.15 with IR carrier signal
· RAM size: 2K*16 bits
· High performance program ROM: 32K*16 bits
· Data ROM size: 96K*16 bits
· Total ROM size: 128K*16 bits
· Maximum program size: 64K word
· 8 Interrupt Sources
   -  4 for Internal Timer (timer0, 1, 2 and RTC)
   -  4 for External (P0.0~P0.3)
· Two voice/melody channels
· Three 8-bit timer with auto-reload function
· Built in a 10-bit PWM Direct Drive circuit and a fixed current D/A output
· Sampling Rate: 6KHz ~16KHz
· Built-in software voice synthesizer (multiple bit-rate solution 2Kbps, 3.6Kbps, 5Kbps, 6Kbps, 8Kbps, 10Kbps, 12Kbps, 14Kbps, 16Kbps, 20Kbps, 24Kbps and 29Kbps @8K sampling rate)
· Built-in software melody synthesizer includes the dual-tone melody and 4-ch
· ave-table melody.
· Low Voltage Reset