SAM9713

• All-in-one Design MIDI Control Processor Synthesis Compatible Effects: Reverb + Chorus Programmable Spatializer or Four-channel Surround(1) Four-band Stereo Equalizer
• State-of-the-art Synthesis Supplies Best Quality for Price 34-voice Polyphony + Effects Up to 1 MB Wavetable/Firmware Support
• Synthesizer Chipset: SAM9713 + 8-Mbit ROM + 32K x 8 SRAM + DAC
• Hardware-programmable DAC Mode I2S 16 to 20 bits Japanese 16 bits
• Firmware/Sample Set Available for Turnkey Designs 8-Mbit GS® GMS960800B(2) 8-Mbit CleanWave® GMS970800B
• Typical Applications: Cost-sensitive Portable Karaoke/VCD Karaoke
• 80-lead TQFP Package: Small Footprint, Easy Mounting
• Ideal for Battery Operation Low Power Power-down Mode Wide Supply Voltage Range: 3V to 4.5V Core, 3V to 5.5V Periphery

The highly integrated architecture of the SAM9713 combines a specialized high-per-formance RISC digital signal processor and a general-purpose 16-bit CISC controlprocessor on a single chip. An on-chip memory management unit allows the digitalsignal processor and the control processor to share external ROM and RAM devices.

The SAM9713 ROM bus width should be 16 bits while the SRAM can be selected to be 8 or 16bits wide. When using an 8-bit SRAM, fast type (static cache) should be selectedbecause two SRAM cycles will be completed in one ROM cycle duration.

Running at 300 million operations per second (MOPS), the digital signal processorsupports high-quality PCM synthesis as well as most important functions like reverb,chorus, surround effect and equalizer. By adding an additional stereo DAC, four-channel audio surround can also be obtained.

The SAM9713 operates from a low-frequency 9.6 MHz typical crystal. A built-in PLLraises this frequency to a 38.4 MHz internal clock that controls the two processors.

Care has been taken that output pin signals change only when necessary. This SAM9713 mini-mizes RFI (radio frequency interferences) and power consumption. Minimizing RFI ismostly important in order to comply with standards such as FCC, CSA and CE.

The core power supply for the SAM9713 should range from 3V to 4.5V; the peripherysupports' supply from 3V to 5.5V. Therefore, by selecting 3.3V ROM, SRAM and DAC,it is possible to develop low-power/low-voltage portable applications.