Description
The AK7738A is a highly integrated digital signal processor, including a 24-bit stereo ADC with MIC gain amplifiers, a 24-bit stereo ADC with input selector, a monaural ADC, two 32-bit stereo DACs, 4 stereo sampling rate convertors supporting the sampling frequency up to 192kHz, two DSPs and a Sub D
Features
- DSP1/DSP2: (Memory areas are shared by DSP1 and DSP2)
- Word length:
28-bit (Simple floating point supported)
- Instruction cycle:
8.1ns (2560fs at fs=48kHz)
- Multiplier:
24 x 24 → 48-bit (Double precision arithmetic available)
- Divider:
24 / 24 → 24-bit (Floating point normalization function)
- ALU:
52-bit arithmetic operation (with 4bits overflow margin)
- Program RAM:
8192 word x 36-bit
- Coefficient RAM:
6144 word x 24-bit
- Data RAM:
6144 word x 28-bit
- Delay.