Pin
No.
Port Name
Function
Name
(P.C.B.)
I/O
Detail of Function
P
o
w
er On
Standb
y /
[Stb
y
A
W] / (iP
od)
Stb
y HDMI /
[Stb
y CEC]
When Appl
y
Cur
rent
132 AIN1
INPUT_PRT
AD
HiZ
Protection INPUT power voltage 12D/+5A/+30V
PJ1/AIN1
(AD)
133 AIN2
VBUS_PRT
AD
HiZ
Protection USB power voltage detect USB_VBUS
PJ2/AIN2
(AD)
134 AIN3
–
HiZ
HiZ
Protection NET power voltage 3.3N/+1.8N/+1.2N (Spare)
PJ3/AIN3/ADTRGn
135 AIN4
HDMI_PRT
AD
HiZ
[AD]
Protection HDMI power voltage 5H/+3.3H/+1.2H
PJ4/AIN4/KWUP0
136 AIN5
AW_PRT
AD
HiZ
Protection AW power voltage detect AW +5AW
PJ5/AIN5/KWUP1
137 PJ6
–
HiZ
HiZ
ADC power down output (Spare)
PJ6/AIN6/KWUP2
138 PJ7
MODEL
HiZ
HiZ
MODEL discrimination (High: YSP-CU4300, Low: YSP-CU3300)
PJ7/AIN7/KWUP3
139 PK0
DIR_WCK2
I
I
LR clock input for CDDA writing
PK0/AIN8
140 PK1
DEST_N_WR
I
HiZ
For setting destination writing mode
PK1/AIN9
Valid only in self-diagnostic function mode
141 AIN10
DAMP_PRT
AD
HiZ
Protection DAMP power voltage 26V
PK2/AIN10
142 AIN11
26V_PRI
AD
HiZ
26V current detect
PK3/AIN11
143 AIN12
DC_PRT
HiZ
HiZ
Protection WF amplifier DC detect
PK4/AIN12
144 AIN13
DSP_PRT
AD
HiZ
Protection power voltage 3.3DSP/+1.2DSP
PK5/AIN13
Key detection for A/D port
Key input (A/D) pull-up resistance 10 k-ohms
0 Ω
+4.3 kΩ
+6.8 kΩ
∞
Detected voltage value
at 171 pin
0 – 0.165 V
0.825 – 1.155 V
1.155 – 1.485 V
3.2 – 3.3 V
A/D value
(3.3V = 255)
0 – 5
25 – 35
35 – 45
100
KEY1
INPUT
VOLUME –
Key off
104
YSP-CU4300/YSP-CU3300/NS-WSW160
Y
SP-CU430
0/Y
SP-CU330
0/
NS-WSW1
60
DRAFT