Denon RCD-N9 Service Manual page 60

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R5F56108VNFP (MAIN : IC28) Terminal Function
Pin
Port Name
PD/PU
1 TDI
PU
2 TMS
PU
3 TEST1
PD
4 OPEN
5 AVSS
6 TRST#
PD
7 RXD MI232O
PU
8 TXD MO232I
9 P.Down
PU
10 EMLE
PD
11 TDO
PU_OPEN
12 VSS
13 MDE
PD
14 VCL
15 MD1
PU
16 MD0
PU
17 AIN_CNT1
18 OPEN
19 RESET
PU
20 X-OUT
21 VSS
22 X-IN
23 VCC
24 NMI
PU
25 EL RESET
PD
26 EL E,RD
27 EL D/C
28 EL R/W,WR
29 EL CS
30 D7
31 D6
32 D5
33 D4
34 D3
35 D2
36 D1
37 D0
38 TU_SDA
PU
39 PLLVCC
40 TU_INT
41 PLLVSS
42 TU_SCL
PU
43 E_REQ
PD
44 GD25Q32_CLK
45 GD25Q32_SI
PU
46 GD25Q32_SO
PU
47 GD25Q32_CS
48 EEPROM SDA
PU
49 EEPROM SCL
PU
50 OLED_P_CONT
PD
51 GD25Q32_WP
PU
52 /E_SPICS
PU(CX870)
53 GD25Q32_HOLD
PU
54 OPEN
55 E_RESET
PU(CX870)
56 OLED_3V3_CONT
PD
57 VSS
58 OPEN
59 VCC
60 TU_CE
61 TU_RST
PU
I/O
TIMER
STBY
STBY
I
I
I
I
I
I
I
I
I
-
O
O/L
O/L
-
-
-
-
I
I
I
I
I
I
-
O
O/L
O/L
I
I
I
I
I
I
O
O/L
O/L
-
-
-
-
I
I
I
-
I
I
I
I
I
I
I
I
I
-
O
O/L
O/L
-
O
O/L
O/L
I
I
I
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
I
I
I
O
O/L
O/L
-
O
O/L
O/L
-
O
O/L
O/L
-
O
O/L
O/L
-
O
O/L
O/L
-
O
O/L
O/L
-
O
O/L
O/L
-
O
O/L
O/L
-
O
O/L
O/L
-
O
O/L
O/L
-
O
O/L
O/L
-
O
O/L
O/L
-
O
O/L
O/L
O
O/L
O/L
-
-
-
-
-
I
I
I
-
-
-
-
O
O/L
O/L
I
I
I
-
O
O/L
O/L
I/O
I
I
I/O
I
I
-
O
O/L
O/L
I/O
I
I
O
I
I
O
O/L
O/L
I/O
I
I
O
O/L
O/L
I/O
I
I
-
O
O/L
O/L
O
O/L
O/L
O
O/L
O/L
-
-
-
-
-
O
O/L
O/L
-
-
-
-
-
O
O/L
O/L
O
O/L
O/L
s
STANDBY MODE
Network
OLED
OLED+NW
STBY
STBY
STBY
I
I
I
I
I
I
I
I
I
O/L
O/L
O/L
-
-
-
I
I
I
I
I
I
O/L
O/L
O/L
I
I
I
I
I
I
O/L
O/L
O/L
-
-
-
I
I
I
I
I
I
I
I
I
I
I
I
O/L
O/L
O/L
O/L
O/L
O/L
I
I
I
-
-
-
-
-
-
-
-
-
-
-
-
I
I
I
O/L
O/H
O/H
O/L
O
O
O/L
O
O
O/L
O
O
O/L
O/L
O/L
I
O
O
I
O
O
I
O
O
I
O
O
I
O
O
I
O
O
I
O
O
I
O
O
O/L
O/L
O/L
-
-
-
I
I
I
-
-
-
O/L
O/L
O/L
I
I
I
O/L
O/L
O/L
I
I
I
I
I
I
O/L
O/L
O/L
I
I
I
I
I
I
O/L
O/H
O/H
I
I
I
O
O/L
O
I
I
I
O/L
O/L
O/L
O/H
O/L
O/H
O/L
O/L
O/L
-
-
-
O/L
O/L
O/L
-
-
-
O/L
O/L
O/L
O/L
O/L
O/L
60
Note
Emulator Connection terminal
Emulator Connection terminal
Boot for Check PCB mode
OPEN
GND
Emulator Connection terminal
UPDATE
UPDATE
P.Down Detect(INT)
Emulator Connection terminal
Emulator Connection terminal
GND
Operation Mode Setting
Smoothing capacitor (0.1uF) connection
terminal
Emulator Connection terminal
Emulator Connection terminal
Analog Switch IC Control 1 (AUX1=H,
TUNER=L)
OPEN
Reset
Clock Output (12MHz)
GND
Clock Input (12MHz)
+3.3V_CPU
Basic Functions of Microcomputer
Reset for OLED (L: Reset)
EL Readout
Switching Data/Commando (H : Data, L :
Command)
EL Writing
EL Chip Select (L : I/F communication)
Data Bus for OLED
Data Bus for OLED
Data Bus for OLED
Data Bus for OLED
Data Bus for OLED
Data Bus for OLED
Data Bus for OLED
Data Bus for OLED
I2C Data for TUNER
+3.3V_CPU
TUNER Interrupt
GND
I2C Clock for TUNER
DM870 Interrupt
GD25Q32-6P, CLK
GD25Q32-5P,SI ( IO0 )
GD25Q32-2P,SO ( IO1 )
GD25Q32-1P, CS
EEPROM R1EX24256A Control
EEPROM R1EX24256A Control
Power Control for OLED +18V
GD25Q32-3P,WP# ( IO2 )
SCI or CS Signal Output to the DM870
GD25Q32-7P,HOLD# ( IO3 )
OPEN
Reset for DM870
OLED_3.3V_CONT
GND
OPEN
+3.3V_CPU
Tuner Control (CE)
Reset Tuner

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