Denon AVR-4520CI Service Manual page 192

Pin Pin Name
P17/IRQ7-B/TCLKD-B/
HDRADIO
38
TxD3/SCL0/ADTRG1# MOHI(NA)/TU SCLK
39 PLLVCC PLLVCC
P16/IRQ6-B/TCLKC-B/
HDRADIO
40
RxD3/SDA0 MIHO(NA)/TU SDIO
41 PLLVSS PLLVSS
P15/IRQ5-B/TCLKB-B/
42 NC
SCK3/SCL1
P14/IRQ4-B/TCLKA-B/
43 NC
SDA1
P13/IRQ3-B/TxD2/
44 ADV8003 SPI MO
ADTRG0#
45 P12/IRQ2-B/RxD2
ADV8003 SPI MI
46 P11/IRQ1-B/SCK2 ADV8003 SPI CLK
47 P10/IRQ0-B
ADV8003 SPI CS
P37/PO15/TIOCA2/
48 EEPROM SDA
TIOCB2/TCLKD-A
EEPROM SCL
49 P36/PO14/TIOCA2
P35/PO13/TIOCA1/
50 NC
TIOCB1/TCLKC-A
51 P84 NC
52 P57/WAIT#/TRDATA3 NC
53 P56/TRDATA2 E SPI MOEI
54 P55/TRDATA1 NC
55 P54/TRDATA0 E SPI MIEO
E SPI CLK
56 P83
57 VSS VSS
58 P82/TRCLK FL CE1
59 VCC VCC
60 P81/TRSYNC FL RST
ZVOL DATA
61 P80
62 BCLK/P53
NC
ZVOL CLK
63 P52/RD#
64 P51/WR1#/BC1# ZVOLSTB
65 P50/WR0#/WR# NC
66 P77 NC
67 P76/IRQ14-A TU GPO2_INT
SUB UPDATE
68 P75
PC7/A23/CS4#-D/
69 MOSI
CS7#-D/TxD5
70 PC6/A22/CS6#-D/RxD5 SOMI
PC5/A21/CS5#-D/
CLK MO
71
SCK5
RST SUB
72 PC4/A20
73 PC3/A19 ACK SIMO
74 VCC VCC
SUB CPU POWER
75 PC2/A18
76 VSS VSS
GRN LED
77 PC1/A17
RED LED
78 PC0/A16
PB7/A15/PO31/
DIG FANDET
79
TIOCA11/TIOCB11
PB6/A14/PO30/
DIG FANCONT ON
80
TIOCA11
PB5/A13/PO29/
81 NC
TIOCA10/TIOCB10
PB4/A12/PO28/
82 TU_SEN
TIOCA10
Pull up/
Symbol I/O
down
O/I_O
-
I/I_O
-
O
O
O
I
O
O
I_O M3VPu
O M3VPu
O
O
O
O N3VPu
O
I N3VPu
O N3VPu
-
O
-
O
O
I/I M3VPu/-
O
O
O
O
I
O
O
I
O
O
O
-
O
-
O
O
I M3VPu
O
O
O
CEC
LvCnv STBY STOP
STBY
L L L
- - -
L L L
- - -
L L L
L L L
L L L
L L L
L L L
L L L
I I I
I I I
L/H L/L L/H
L L L
L L L
L L L
L L L
L
I I
L L L
- - -
L L L
- - -
L L L
L L L
I/I I/I I/I
L L L
L L L
L L L
L L L
L L L
L L L
L L L
L
I I
L L L
L L L
L L L
- - -
L L L
- - -
L L L
L/H L
H
L
I I
L L L
L L L
L L L
192
Function
HDRADIO/TUNER control pin
PLL Power
HDRADIO/TUNER control pin
GND
NC
NC
GUI control pin(ADV8003)
GUI control pin(ADV8003)
GUI control pin(ADV8003)
GUI control pin(ADV8003)
EEPROM control pin
EEPROM control pin
NC
NC
NC
ETHERNET communication control pin
(DM860A)
NC
ETHERNET communication control pin
(DM860A)
ETHERNET communication control pin
(DM860A)
GND
VFD control pin
+3.3V
VFD control pin
ZONE VOL. Control pin (NJW1194)
NC
ZONE VOL. Control pin (NJW1194)
ZONE VOL. Control pin (NJW1194)
NC
NC
TUNER GPIO2 input pin
SUB UPDATEmode control(DPMS/DENON
WRITTER)."L". SUB Program mode
"H",then SUB RST.
MAIN-SUB CPU Communication control
output
MAIN-SUB CPU Communication control
input
MAIN-SUB CPU Communication control
output
MAIN-SUB CPU Communication control
output
MAIN-SUB CPU Communication control
output
+3.3V
SUB CPU POWER (H:ON)
GND
POWER LED control pin(ON:H)
POWER/STANDBY LED control pin (ON:H)
NC
NC
NC
TUNER control pin