CD037RMP
-4-
PIN P-NAME I/O Act DESCRIPTION When not Used REMARK
41 B_UP
I L 1. ACC ON Detection input. (Low=system halt).
To detect rapidly, standard circuit is
recommendable
described in hardware application note.
Refer to
the circuit
42 BT_RXD I Bluetooth RXD Input.
43 BT_TXD O Bluetooth TXD output.
44 IPOD_DET I H IPOD detection input for connection input. Pull down 220k
45 NC I Reserved for future use. Pull up
46 AF MUTE O H RDS AF MUTE output.(High=Mute).
47 VDD HD VDD 5V DC.
48 GND HD Ground.
49 KEYADI2 I AD KEY INPUT2.
Must be pulled up with 4.7Kohm from AVREF
in MAIN PCB.
AD input
50 KEYADI1
/FRT DET
I Key A/D input1 and front detect input.
Must be pulled down with 1Mohm in main PCB.
Must be pulled up with 4.7Kohm from AVREF
in front PCB.
AD input
51 DANCE3 I Level dancing input3 (ex: 10kHz) GND AD input
52 DANCE2 I Level dancing input2 (ex: 1kHz) GND AD input
53 DANCE1 I Level dancing input1 (ex: 100Hz) GND AD input
54 S-METER I Connected to S-METER output of IF ICs. AD input
55 TEL/CDSW I 1. TELPHONE MUTE INPUT(4.54~5.0 Vdc)
2. S-cdp switch input.
Must be pulled up with 47Kohm from AVREF.
Must be pulled down with 330Kohm to AGND.
AD input
56 ENCODER I Encoder volume input.
Pull up 47Kohm from AVREF and Pull-down
330Khom to GND.
Series 82Kohm to VOL B.
Series 47Kohm to VOL A/C.
GND Refer to
the circuit
57 SAT_PW
DIO IN11
I H 1. High output in XM mode for XM power.
2.Option diode input 11.
58 MP3_CK
/DIO IN10
O 1. MP3 Communication CLK output.
2. Option diode input 10.
59 MP3_DI I MP3 Communication data output.
Needed pull up 220ohm from CDP powered 5V.
60 MP3_DO
/DIO IN9
O 1. S-CDP/MP3 Communication data output.
2. Option diode input 9.
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