Rev.1.00, Aug.07.2003, page 1 of 22

M61510AFP

Sound Controller for Quality/Sound Field Control,

with Built-in Surround Sound

REJ03F0013-0100Z

Rev.1.00

Aug.07.2003

Description

The M61510AFP is a digital sound controller IC which is ideal for home audio applications. M61510AFP includes

five-input selector, input volume control, surround sound (effect switchable in three stages), tone control (3 bands),

loudness, and two-channel master volume control, all controllable via serial data. The M61510AFP can be interfaced

with external circuits even when using the internal surround sound. And a common data format (software-compatible)

facilitates M61510AFP substitution.

Features

• Five-input selector

• Input volume control (2 dB steps/3 bits)

• Surround sound IC interface

• Internal surround function (ON/OFF, High/Mid/Low)

• Internal surround function (bass/mid/treble)

• Internal loudness function

• Main volume control (1 dB steps (0 to -80 dB, -∞))

• Microcomputer interface

Recommended Operating Conditions

• Power supply voltage range: VCC = 4.5 to 5.5 V

• Rated power supply voltage: VCC = 5 V

System Block Diagram

VOL

OUT2

VOL

OUT1

CLOCK

DATA

Microcomputer interface

Tone control

Surround sound

IN A1

IN B1

IN C1

IN D1

IN E1

IN A2

IN B2

IN C2

IN D2

IN E2

Main

volume A1

& loudness

Main

volume A2

& loudness

Input

volume

Input

volume

Main

volume B1

Main

volume B2

Surround

sound IC

Surround

sound IC