Boss Audio Systems CCR612 Car Stereo System User Manual


 
Philips Semiconductors
User Manual of High-End RDS/EON
Car Radio System CCR612 (V0.3)
Application Note
96029
Pinning CCR612S
Pin Name I/O Type Description
39 Vss Ground
40 OPTROW O IP 1 Connected to the cathodes of all option diodes. During
switch on, this pin is pulled low by the microcontroller to
find out which option diodes are present.
41 PLL_LOCK I IP 1 PLL In Lock detection.
High: Tuner is in lock.
Low: Tuner is not in lock.
42 LOUD O
I
IP 1 Loudness control. This pin can be used to switch loudness
on/off in case no digital sound control IC is used.
High: Loudness off
Low: Loudness on
loudness control is not available when this pin is
connected to ground.
43 AUMUTE O
I
I
IP 1 General mute control. This pin can be used to control
general audio muting in case no sound control IC is used.
High: Not muted
Low: Muted
Phone mute input
High: No phone mute request
Low: Phone mute request
Option diode available bands 1
44 CENABL O
I
IP 1 Cassette Enable. Controls the cassette deck motor.
High: Cassette motor off
Low: Cassette motor on
Option diode for detachable keyboard detection.
35