SNC735 Datasheet | SONiX

FEATURES w w w w w 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: 224K- 16 bits Total ROM size: 256K- 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 wave-table melody. Low Voltage Reset w w w w w w w w w w w w w w w Ver: 1.2 October 23, 2002 16-bit Voice Processor 3. PIN ASSIGNMENT Symbol P0.0 ~ P0.15 P1.0 ~ P1.7 CVDD VDD GND BP0 BN0 VO XIN XOUT LXIN LXOUT CKSEL RST TEST I/O I/O I I I I O O O I O I O I I I Descriptions I/O port 0 Input port 1 Positive power supply for core circuit Positive power supply Negative power supply PWM output 1 PWM output 2 DA output High speed clock crystal input / RC-type oscillator input High speed clock crystal output / RC-type oscillator input Low speed clock crystal input Low speed clock crystal output Crystal/RC-type oscillator select for high speed clock Chip reset For test only Ver: 1.2 October 23, 2002 16-bit Voice Processor 4. ROM TABLE The total ROM size is 256K words. But only 64K words ROM for programming. And 32K words of all...