Asahi Kasei Microdevices AK7736A
The AK7736A is a highly integrated audio digital signal processor with integrated 2ch SRC. It includes internal memories for digital audio p rocessing, that allows surround effect process, time alignment and parametric equalizing. The AK7736A ca n operate a ha nds-free software by AKM as well as sound processing, by programs dow nloaded via the microprocessor interface.GENERAL DESCRIPTION
More ove r, the AK7736A can process b oth data and filter coefficients as floatin g point data so that high accuracy IIR/FIR filter performance can be achiev ed easily.FEATURES
□ DSP Block - Word length: 24-bit - Machine Cycle: 8.1 ns (2560step/fs; fs = 48kHz) - Step fs=48kHz: Maximum 2560 step fs=8kHz: Maximum 15360step fs=16kHz: Maximum 7680step - Multiplication: 20 x 24 → 44-bit (Double precision arithmetic available) - Divider 20 / 20 → 20-bit (floating point normalization function) - ALU: 48-bit arithmetic and logic operation (overflow margin 4-bit) - Shift: Multiple DBUS ±15bit Shift with indirect shifting function - Program RAM (PRAM): 6144word x 36-bit - Coefficient RAM (CRAM): 4096word x 24-bit - Data RAM (DRAM): 4096 x 24-bit (Variable Bank Size) - Offset Register (OFREG): 32word x 15-bit - Delay RAM (DLRAM): 16384word x 24-bit (Variable Bank Size) - Register: 48-bit × 4 (ACC) [ALU] 24-bit × 12 (TMP) [DBUS connection] 24-bit × 6 level stack (PTMP) [DBUS c...