Car Audio DSP
LC75010W0W
Overview
The LC75010W is a
Features
■ Analog source selector | ■ Analog characteristic (S/N) | ||||||
◆Single input: 3 systems, differential input: 1 system | ◆Typ. 90 dB (Note) | ||||||
■ A/D | ■ Analog characteristic (dynamic range) | ||||||
◆Stereo: 1 system | ◆Typ. 90 dB (Note) | ||||||
■ DSP core | ■ Analog characteristic (THD + N) | ||||||
◆Typ. | |||||||
■ D/A | ■ Power supply voltage (5 V) | ||||||
◆4 systems | ◆4.75 V to 5.25 V | ||||||
■ Analog volume | ■ Power supply voltage (3.3 V) | ||||||
◆4 systems | ◆3.0 V to 3.6 V | ||||||
■ Microcontroller interface | ■ Operating ambient temperature | ||||||
◆1 system (SANYO Electric original format) | |||||||
(CCB: Computer Control Bus) | ■ Package: SQFP100 (14 14) | ||||||
| Note: Analog characteristics are according to SANYO Electric measurement conditions. | ||||||
| CCB is a SANYO’s original bus format and all the |
|
|
|
|
|
|
|
|
|
| ||||
|
|
|
| ||||
Block Diagram | bus addresses are controlled by SANYO. | ||||||
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
| VFLO |
|
|
|
|
|
|
|
|
|
|
| R | C | 1∝ |
Als3 |
|
|
|
|
|
| DAC |
|
| VFLI |
| |
|
| DSP · CORE |
|
|
|
| L.P.F |
|
| |||
Als4 |
|
|
|
|
| (24bit) |
|
| AOUT1 |
| ||
|
|
| (24bit) |
|
|
|
|
|
|
|
| |
AINLP1 |
|
|
|
|
|
|
|
|
| Vref | VFRO |
|
|
|
|
|
|
|
|
|
|
| C | ∝ | |
AINLN1 |
|
|
|
|
|
|
|
|
| R | 1 | |
Selector | ADC |
|
|
|
| DAC |
|
| VFRI |
| ||
AINRP1 |
|
|
|
|
| L.P.F |
|
|
| |||
(20bit) |
|
|
|
| (24bit) |
|
|
|
| |||
AINRN1 |
|
|
|
|
|
|
| AOUT2 |
| |||
AINLP2 | Source |
|
|
|
|
|
|
|
| Vref | VRLO |
|
AINRP2 |
| Program ROM |
|
|
|
|
|
|
| C | 1∝ | |
AINLP3 | ADC |
|
|
|
|
|
| R | ||||
Analog | (8kw) |
|
|
| DAC |
|
| VRLI |
| |||
AINRR3 | (20bit) |
|
|
|
| L.P.F |
|
|
| |||
AINLP4 |
|
|
|
| (24bit) |
|
| AOUT3 |
| |||
|
|
|
|
|
|
|
|
| ||||
|
|
|
|
|
|
|
|
|
| |||
AINRP4 |
|
|
|
|
|
|
|
|
| Vref | VRRO |
|
|
|
|
|
|
|
|
|
|
| R | C | 1∝ |
Ars3 |
|
|
|
|
|
| DAC |
|
| VRRI |
| |
|
|
|
|
|
|
| L.P.F |
|
| |||
Ars4 |
|
|
|
|
|
| (24bit) |
|
|
|
| |
|
|
|
|
|
|
|
|
|
| AOUT4 |
| |
|
|
|
|
|
|
|
|
|
| Vref |
| |
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
| Data RAM |
|
|
|
|
|
|
|
|
|
|
|
| (896w) |
|
|
|
|
|
|
| DVDD | 3.3V |
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
| DVSS |
|
|
|
|
|
|
|
|
|
|
|
| AVDD | 5V |
|
|
|
|
|
|
|
|
|
|
|
| |
VCO |
| PLL |
|
| CCB |
|
|
|
|
| AVSS |
|
|
|
|
|
|
|
|
|
|
| |||
| VCO |
|
|
|
|
|
|
|
|
| ||
|
|
|
|
|
|
|
|
|
| VREF |
| |
|
|
|
|
|
|
|
|
|
|
|
| |
| XIN |
| XOUT | CE | CL DI | DO | BUSY | RESB | PWDB INTB | TEST14 |
|
|
Dolby Headphone IC
LC83200W0W 
R
Overview
The LC83200W is an IC that integrates the functions required for Dolby Headphone on one chip. It generates a Dolby Headphone audio output signal from either a
Features
■Supports Dolby Headphone room modes DH1, DH2, DH3, and Stereo Mixdown.
■Sampling rate of 44.1/48 kHz
■Audio serial input: 2 channels (L, R) or 5.1 channels (L, C, R, Ls, Rs, LFE)
■Audio serial output: 2 channels (L, R)
■External memory not required
■50 MHz internal operation frequency (External clock: 27 MHz/13.5 MHz or 512/256 fs clock)
■2 power supplies (Logic block: 2.5 V; I/O block: 3.3 V)
■PLL stop (PLL STOP pin)
■Registers can be controlled through serial setting via microcontroller I/F or parallel setting via pins.
■Package: SQFP48 (7 
7)
Manufactured under license from Dolby Laboratories. |
|
"Dolby" and the | R |
Confidential unpublished works. Copyright |
|
All rights reserved. |
|
Block Diagram
|
| SDO | SDI0,1,2 | SCLOCK | LRCLOCK |
|
|
|
|
| 3 |
|
|
|
|
R |
|
|
|
| RESET | RESET | RESET |
MCLOCK |
|
|
|
|
|
| |
VCNT | PLL | SYS CLK |
|
|
| / |
|
|
| PLL | STOP | PLL STOP | |||
|
|
|
|
| |||
|
|
| Data I/O I/F | STOP | |||
PDO |
|
|
| ||||
|
|
|
|
|
|
| |
|
| Output registers | Input registers |
|
| ||
|
| L | R | L | R |
|
|
|
|
|
| Ls | Rs |
|
|
|
|
|
| C | LFE | Data |
|
|
|
|
|
|
| RAM |
|
|
|
|
|
| 11.5k X 24bits |
| |
ENABLE | Host I/F | Control register |
|
|
|
|
|
CLOCK | FIR Filter |
|
|
| |||
Core |
|
|
| ||||
DATA |
|
|
| ||||
(DSP) |
| Program |
| ||||
|
|
|
| ROM |
| ||
|
|
|
|
|
|
| |
|
|
|
|
| 15k X 32bits |
| |
| 13 Car Audio | 14 Car Audio |
|
|
|