GENERAL DESCRIPTION
As the AK7735 is a RAM based DSP, it is freely programmable for user requirements, such as acoustic effects and proprietary high performance hands-free function. The AK7735 is available in a 48-pin LQFP package. 2. FEATURES
□ Dual DSP: (DSP1 and DSP2 have the same specification. Memory areas are shared by them) - Word length: 28-bit (Simple floating point supported) - Instruction cycle: - Multiplier: - Divider: Max. 6.8ns (3072fs at fs=48kHz) 24 x 24 → 48-bit (Double precision arithmetic available) 24 / 24 → 24-bit (Floating point normalization function) - ALU: 52-bit Arithmetic Operation (with 4bits overflow margin) - Program RAM: 4096-word x 36-bit - Coefficient RAM: 6144-word x 24-bit - Data RAM: 4096-word x 28-bit - Delay RAM: 12288-word x 28-bit - JX pins (Interrupt) - Independent Power Management Function for DSP1, DSP2 □ ADC1: 24-bit Stereo ADC with MIC Gain Amplifiers - Sampling Frequency: fs = 8kHz ~ 192kHz - Channel Independent Analog Gain Amplifiers (0~18...