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Pin No.
Symbol
I/O
46
EPROMDO
O
47
EPROMCK
O
48
OPEN
I
49
CSN
O
50
CCLK
O
51
CDTI
O
52
PDN
O
53
SD/ST
I
54
MP3CLK
O
55
MONO
O
56
MP3DIN
I
57
MP3DOUT
O
58
MP3STBY
O
59
MP3RESET
O
60
MP3REQ
I
61
DETACH
I
62
AFCK
I
63
SEEK/STOP
O
64
IFC CONT
O
65
FM/AM
O
66
PLLCE
O
67
PLLDA
O
68
PLLCK
O
69
PLLDI
I
70
TELMUTE
I
71
NC
-
72
VSS
-
73
DIMIN
I
74
PS1
I
75
POWER
O
76
CDON
-
77
MUTE
O
78
DIMOUT
O
79,80
NC
-
81
VDD
-
82
NC
-
83
VOLDA
O
84
VOLCL
O
85 to 89
NC
-
90
STAGE
-
91
BUCK
O
92
CCE
O
93
RST
O
94
TEST
-
95
BUS0
I/O DSP IC interface data input/output 0
96
BUS1
I/O DSP IC interface data input/output 1
97
BUS2
I/O DSP IC interface data input/output 2
98
BUS3
I/O DSP IC interface data input/output 3
99
NC
-
100
CDRW
O
I2C data output
I2C clock output
DOOR OPEN SW
External DAC IC chip select output
External DAC IC control data output
External DAC IC control data output
Power down mode output
Station detector or stereo indicator input ; H means a station is there. L means the program is stereo.
MP3 IC clock output
Mono by power force
MP3 IC data input
MP3 IC data output
MP3 IC standby output
MP3 IC reset output
MP3 IC REQ input
Detach signal input
AF check input
Switching SEEK/STOP
IF control
FM,AM band selecting output; H=FM,L=AM
CE output for PLL IC
Data output for PLL IC
Clock output for PLL IC
Data input from PLL IC
Telephone muting detection input ; Active level can be selected H or L in PSM
Not use
Ground
Dimmer detector input, L=dimmer on
Power save 1, L=ACC off
Power on/off control output, H=power on
CD power control
Muting output, L=muting on
Dimmer detector output
Not use
Power supply
Not use
Data output for e-volume IC
Clock output for e-volume IC
Not use
Not use
DSP IC interface clock output
DSP IC interface chip enable signal output
DSP IC reset output (L: reset)
Test terminal
Not use
RF gain control L=CD-RW, H=CD-DA
Function
KD-SC900R
(No.49829)1-47
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