AK7759 Description
The AK7759 is a highly integrated digital signal processor, a stereo audio CODEC, a MIC gain amplifier, a line-out amplifier, digital audio I/F. The DSP has 3072step at fs = 48kHz parallel processing power. As the AK7759 is a RAM based DSP, it is programmable for user requirements such as high performance hands free function and acoustic effects.
AK7759 Key Features
- Word Length: 28-bit (Floating Point)
- Instruction Cycle: Maximum 6.8ns (3072fs, fs=48kHz)
- Program RAM (PRAM): 5120 x 36-bit
- Coefficient RAM (CRAM): 4096 x 24-bit
- Offset Register (OFREG): 32 × 15-bit
- JX pins (Conditional Branch Control)
- Digital Signal Input Port (4ch) MSB justified 24-bit / LSB justified 24, 20, 16-bit and I2S
- Digital Signal Input Port (6ch) MSB justified 24-bit / LSB justified 24, 20, 16-bit and I2S
- Short / Long Frame
- TDM 256fs (8ch) Format