Pin
Pin Name
Symbol
I/O
Pu/Pd
STBY STOP CEC
STBY
Function
58 P82/TRCLK
FL CE
O
L
L
L
VFD control pin
59 VCC
VCC
-
-
-
-
+3.3V
60
P81/TRSYNC
FL RST
O
L
L
L
VFD control pin
61 P80
ZVOL
DATA(X2100W)/
NC(S900W)
O
L
L
L
ZONE VOLUME control pin
62 BCLK/P53(input)
NC
O
L
L
L
NC
63 P52/RD#
ZVOL
CLK(X2100W)/
NC(S900W)
O
L
L
L
ZONE VOLUME control pin
64
P51/WR1#/BC1#
ZVOL
MUTE(X2100W)/
NC(S900W)
O
L
L
L
ZONE VOLUME control pin
65
P50/WR0#/WR#
NC
O
L
L
L
NC
66 P77
THERMAL E
I
SW3VPu
I
L
I
HEAT PROTECT-E detection pin
67 P76/IRQ14-A
TU GPO2_INT
I
L
L
L
TUNER control pin
68 P75
SUB UPDATE
O
L
L
L
SUB UPDATEmode control(DPMS/DFW
WRITTER)."L". SUB Program mode "H",then
SUB RST.
69 PC7/A23/CS4#-D/
CS7#-D/TxD5
MOSI
O
L
L
L
MAIN-SUB ucom communication control pin
70 PC6/A22/CS6#-D/
RxD5
SOMI
I
I
L
I
MAIN-SUB ucom communication control pin
71 PC5/A21/CS5#-D/
SCK5
CLK MO
O
L
L
L
MAIN-SUB ucom communication control pin
72 PC4/A20
RST SUB
O
L
L
L
MAIN-SUB ucom communication control pin
73 PC3/A19
ACK SIMO
O
L
L
L
MAIN-SUB ucom communication control pin
74 VCC
VCC
-
-
-
-
+3.3V
75 PC2/A18
SUB CPU POWER
O
L
L
L
SUB CPU POWER SUPPLY control pin
(POWER ON : H)
76 VSS
VSS
-
-
-
-
GND
77 PC1/A17
WHITE
LED(X2100W(NA))/
GREEN LED(S900W/
X2100W(EU/CH/JP))
O
L
L
L
POWER LED control pin(ON:H)
78 PC0/A16
RED LED
O
L/H
L
H
POWER/STANDBY LED control pin (ON:H)
79 PB7/A15/PO31/
TIOCA11/TIOCB11
H/P RL
O
L
L
L
HEADPHONE RLY control pin
80 PB6/A14/PO30/
TIOCA11
FRONT RL
O
L
L
L
SPEAKER RELAY control pin
81 PB5/A13/PO29/
TIOCA10/TIOCB10
NC(THERMAL F
RESERVE)
I
SW3VPu
I
L
I
NC(THERMAL F RESERVE)
82 PB4/A12/PO28/
TIOCA10
TU SEN
O
L
L
L
TUNER control pin
83 PB3/A11/PO27/
TIOCC9/TIOCD9
C/S RL
O
L
L
L
SPEAKER RELAY control pin
84 PB2/A10/PO26/
TIOCC9
SB RL
O
L
L
L
SPEAKER RELAY control pin
85 PB1/A9/PO25/
TIOCA9/TIOCB9
D5V POWER
O
L
L
H
DIGITAL POWER SUPPLY (D5V) control pin
(ON:H)
86 P74/ADTRG3#
NC
O
L
L
L
NC
87 P73
NC
O
L
L
L
NC
88 P72
NC
O
L
L
L
NC
89 P71/CS4#-C/CS5#-C/
CS6#-C/CS7#-C
NC
O
L
L
L
NC
90 P70/CS3#-B/
ADTRG2#
NC
O
L
L
L
NC
91 VCC
VCC
-
-
-
-
+3.3V
92 PB0/A8/PO24/TIOCA9 NC
O
L
L
L
NC
93 VSS
VSS
-
-
-
-
GND
94
PA7/A7/PO23/
TIOCA8/TIOCB8/
TCLKH
NC
O
L
L
L
NC
95 PA6/A6/PO22/TIOCA8
VSEL A
I
I
I
I
Master Volume rotation detection pin(Rotary
encoder)
96
PA5/A5/PO21/
TIOCA7/TIOCB7/
TCLKG
VSEL B
I
I
I
I
Master Volume rotation detection pin(Rotary
encoder)
97 PA4/A4/PO20/TIOCA7 NC
O
L
L
L
NC
148
All manuals and user guides at all-guides.com
Summary of Contents for AVR-S900W
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