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3. Pin Functions
No.
Pin Name
1
P120/INTP0/EXLVI
2
P43
3
P42
4
P41
5
P40
6
RESET
7
P124/XT2/EXCLKS
8
P123/XT1
9
IC/FLMD0
10
P122/X2/EXCLK
11
P121/X1
12
REGC
13
VSS
14
EVSS
15
VDD
16
EVDD
17
P60/SCLO
18
P61/SDA0
19
P62/EXSCL0
20
P63
21
P33/TI51/TO51/INTP4
22
P77/KR7
23
P76/KR6
24
P75/KR5
25
P74/KR4
26
P73/KR3
27
P72/KR2
28
P71/KR1
29
P70/KR0
30
P06/TI011/TO01
31
P05/TI001/SSI11
32
P32/INTP3
33
P31/INTP2
34
P50
35
P51
36
P52
37
P53
38
P30/INTP1
39
P17/TI50/TO05
40
P16/TOH1/INTP5
41
P15/TOH0
42
P14/RXD6
43
P13/TXD6
44
P12/SO10
45
P11/SI10/RXD0
46
P10/SCK10/TXD0
47
AVREF
48
AVSS
49
P27/ANI7
50
P26/ANI6
51
P25/ANI5
52
P24/ANI4
53
P23/ANI3
54
P22/ANI2
55
P21/ANI1
56
P20/ANI0
57
P130
58
P04/SCK11
59
P03/S111
60
P02/S011
61
P01/TI010/TO00
62
P00/TI000
63
P141/BUZ/INTP7
64
P140/PCL/INTP6
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Pin Symbol
I/O
PROTECTION
I
VOL_UP
I
VOL_DN
I
H/P_RLY
O
C_RLY
O
RESET
I
S_RLY
O
F_RLY
O
FLMD0
O
V1 OUT_MUTE
O
TRIG CONTROL
O
VSS
EVSS
VDD
EVDD
VIDEO_MUTE
O
VIDEO_S1/HDMI_S2
O
VIDEO_S2/HDMI_S1
O
TUNED
I
RDS_CLK
I
RDS_DATA
I
PLL_CE
O
PLL_DO
O
SW_MUTE
O
C_MUTE
O
S_MUTE
O
F_MUTE
O
USB_PC
O
R2A1521FP_CLK
O
R2A1521FP_DATA
O
P32
P31
DSP/DIR_CCLK
O
DSP/DIR_CDIN
I/O
DSP_RESET
O
DSP_RDY
I
DSP_CE
O
DSP_ABOOT
O
DSP_INTREQ
I
DIR_PDN
O
RxD
I
TxD
O
Front B RLY
O
24C08_SCLK
O
24C08_SDA
I/O
AVREF
AVSS
KEY2
I
KEY3
I
KEY1
I
BT/THERMAL_DET
I
HDMI_HPD
O
HDMI_S2
O
HDMI_S2
O
FUNC_DN
I
ST/BY_LED
O
ST/BY_RLY
O
FUNC_UP
I
FLT/PLL_DATA
O
FLT/PLL_CLK
O
RMC
I
FLT_CE
O
POWER_DOWN
I
Pin Description
Input for protection
Input for volume up
Input for volume down
Output for headphone relay
Output for center speaker relay
Input for u-com reset
Output for surround speaker relay
Output for front speaker relay
Port for flash mode setting
Output for VIDEO1 OUT MUTE
Output for DC TRIGGER ON/OFF
Connect to ground via 0.47uF/50V E.Cap
Ground
Ground
3V3
3V3
Output for video mute
Output for video/HDMI function IC switching
Output for video/HDMI function IC switching
Input for tuner "TUNED" condition (L is active)
Clock signal input from tuner pack
Input for RDS data from tuner pack
Chip select output for tuner pack
Data output for tuner pack
Output for subwoofer channel mute
Output for center channel mute
Output for surround channel mute
Output for front channel mute
Output for IC108(REGULATOR) ON/OFF
Clock signal output for R2A1521FP
Output for R2A1521FP control data
Port for flash upgrade
Port for flash upgrade
Clock signal output for DIR/DSP
Input & output for DIR/DSP control data
Output for DSP reset
Input for DSP enable
Chip select output for NJW1153
Ouput for DSP Auto boot
Interrupt signal output to DSP
Output for DIR power down
Input for flash upgrade
Output for flash upgrade
Output for SPK B ON/OFF
Clock signal output for 24C08
Input & output for 24C08 control data
3V3
GROUND
Input for KEY2 scan
Input for KEY3 scan
Input for KEY1 scan
BLUETOOTH DETECT
Ouput for HDMI HPD(NOT USED)
Ouput for HDMI S2 CONTROL(NOT USED)
Ouput for HDMI S1 CONTROL(NOT USED)
Input for function encoder down
Ouput for standby led
Onput for standby relay
Input for function encoder up
Output for FLT/PLL control data
Clock signal output for FLT/PLL
Input for remocon data
Chip select output for FLT
Input for power down
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