M62419FP
Sound Controller for Car Stereo
REJ03F0207-0200
Rev.2.00
Sep 14, 2006
Features
• 4-channel source selector with gain setting buffer amplifier by the external resistances
• Volume (balance), loudness, tone (bass and treble) and fader control by serial data from MCU
• Input maximum voltage level; 2.8 Vrms
Application
Car audio, Mini stereo, etc
Recommended Operating Conditions
Supply voltage range: VCC = 6 to 9 V
VDD = 4 to 6 V
Rated supply voltage: VCC = 8 V
VDD = 5 V
System Block Diagram
CD
TAPE
TUNER
AUX
M62419FP
Source
selector
Master
volume
L
Tone controller
Fader
volume
R
Bass
Treble
Loudness
tap
Logic controller
DATA
CLOCK
µ -COM
2 wire connection by MCU
Front
speaker
Rear
speaker
Rear
speaker
Front
speaker
Rev.2.00 Sep 14, 2006 page 1 of 8