| Division | Address (word order) | Address (byte order) | Size (tota1 128KB) | Usage | Description |
| Main area | OOOOh~OOFFh | OOOOOh~OOIFEh | 512B | 1KB R | BootM 0 | BootRAM Main sector0 |
| (64KB) | OlOOh~OIFFh | 00200h~003FEh | 512B | BootM 1 | BootRAM Main sectorl |
| 0200h~02FFh | 00400h~005FEh | 512B | | DataM 0 0 | DataRAM Main pageO/sector0 |
| 0300h~03FFh | 00600h~007FEh | 512B | DataM 0 1 | DataRAM Main pageO/sectorl |
| 0400h~04FFh | 00800h~009FEh | 512B | DataM 0 2 | DataRAM Main pageO/sector2 |
| 0500h~05FFh | OOAOOh~OOBFEh | 512B | 4KB R/W | DataM 0 3 | DataRAM Main pageO/sector3 |
| 0600h~06FFh | OOCOOh~OODFEh | 512B | DataM 1 0 | DataRAM Main pagel/sector0 |
| 0700h~07FFh | OOEOOh~OOFFEh | 512B | DataM 1 1 | DataRAM Main pagel/sectorl |
| 0800h~08FFh | OlOOOh~OllFEh | 512B | DataM 1 2 | DataRAM Main pagel/sector2 |
| 0900h~09FFh | 01200h~013FEh | 512B | DataM 1 3 | DataRAM Main pagel/sector3 |
| OAOOh~7FFFh | 01400h~OFFFEh | 59K | 59K | Reserved | Reserved |
| Spare area | 8000h~8007h | 10000h~1000Eh | 16B | 32B R | BootS O | BootRAM Spare sector0 |
| (8KB) | 8008h~800Fh | 10010h~1001Eh | 16B | BootS 1 | BootRAM Spare sectorl |
| 8010h~8017h | 10020h~1002Eh | 16B | | DataS O O | DataRAM Spare pageO/sector0 |
| 8018h~801Fh 8020h~8027h | 10030h~1003Eh 10040h~1004Eh | 16B 16B | DataS 0_1 DataS 0 2 | DataRAM Spare pageO/sectorl DataRAM Spare pageO/sector2 |
| 8028h~802Fh | 10050h~1005Eh | 16B | 128B R/W | DataS 0 3 | DataRAM Spare pageO/sector3 |
| 8030h~8037h 8038h~803Fh | 10060h~1006Eh 10070h~1007Eh | 16B 16B | DataS l_0 DataS 1 1 | DataRAM Spare pagel/sector0 DataRAM Spare pagel/sectorl |
| 8040h~8047h | 10080h~1008Eh | 16B | DataS 1 2 | DataRAM Spare pagel/sector2 |
| 8048h~804Fh 8050h~8FFFh | 10090h~1009Eh 100AOh~11FFEh | 16B 8032B | 8032B - | DataS l_3 Reserved | DataRAM Spare pagel/sector3 Reserved |
| Reserved (24KB) | 9000h~BFFFh | 12000h~17FFEh | 24KB | 24KB | Reserved | Reserved |
| Reserved (8KB) | COOOh~CFFFh | 18000h~19FFEh | 8KB | 8KB | Reserved | Reserved |
| Reserved (16KB) | DOOOh~EFFFh | 1AOOOh~1DFFEh | 16KB | 16KB | Reserved | Reserved |
| Registers (8KB) | FOOOh~FFFFh | 1EOOOh~1FFFEh | 8KB | 8KB R or R/W | Registers | Registers |
| | | | | | |
Functions and Features . Adaptive matrix. . Center mode control (Normal/Phantom/Wide). . 4ch/3ch logic control. . Auto balance (ON/OFF). . Prologic off-mode (Bypass/Full Bypass). . On-chip memory (8k bit S-RAM). . Variable delay time. Dolby surround mode : 15, 20, 25, or 30ms. Simulated surround mode : 7.5, 15, 20, 25, 30, 40 or 50ms. . Modified B type noise-reduction. . Center trim, surround trim (LS-ch, RS-ch) and LFE trim (0 to -31dB in -ldB steps). . Input and output filter. Output : 7kHz L.P.F in dolby surround mode. SkHz L.P.F in simulated surround mode . Built-in VDD. . Simulated surround function. Fixed matrix : L+R, L-R. Front addition : 0, -2, -4 and -6 dB inverted and non inverted addition. Reverb function. . Rear-channel monaural/stereo switching. Rear addition : 0, -2, -4 and -6 dB inverted and noninverted addition .