RX-V420/RX-V420RDS/HTR-5440/HTR-5440RDS/DSP-AX420
E-32/J-28
No. PORT
Function name I/O Detail of function
1
P60/A16
NC
2
P61/A17
NC
3
P62/A18
NC
4
P63/A19
/6chG
O 6ch Gain
5
P64/RD
VIDEO1 O Video select 1
6
P65/WR
VIDEO2 O Video select 2
7
P66/WAIT
VIDEO3 O Video select 3
8
P67/ASTB
CECOD O Serial CE out for CODEC
9
VDD
+5BU
10 P100/TI5/TO5
I
NC
11 P101/TI6/TO6
I
NC
12 P102/TI7/TO7
/DMT
O Digital mute
13 P103/TI8/TO8
PRY
O Power relay
14 P30/TO0
MRY
O Main speaker & HP relay
15 P31/TO1
ERY
O Effect speaker relay
16 P32/TO2
RIMA
O Power limiter control A
17 P33/TI1
RIMB
O Power limiter control B
18 P34/TI2
/MLV
O Main level control
19 P35/TI00
O NC
20 P36/TI01
O NC
21 P37/EXA
/HP
I
Headphone detect
22 TEST/Vpp
VPP
Control of flash write
23 P90
O NC
24 P91
O NC
25 P92
O NC
26 P93
O NC
27 P94
O NC
28 P95
O NC
29 P120/RTP0
/PSM
I
Power save mode
30 P121/RTP1
O NC
31 P122/RTP2
O NC
32 P123/RTP3
O NC
33 P124/RTP4
I
NC
34 P125/RTP5
I
NC
35 P126/RTP6
MVDN
O Main volume down
36 P127/RTP7
MVUP
O Main volume up
37 VDD
+5BU
38 X2
X2
39 X1
X1
40 Vss
MG
41 XT2
XT2
42 XT1
XT1
43 RESET
/RES
44 P00/INTP0
INT928
I
YSS928 IPINT/MUTE/DIR
45 P01/INTP1
/PDET
I
Power down detect interrupt
46 P02/INTP2
PSW
I
Standby SW input (High edge)
47 P03/INTP3
REM1
I
Remote controller signal
48 P04/INTP4
I
NC
49 P05/INTP5
O NC
50 P06/INTP6
O NC
IC902 : µPD78F4218AGF-3BA
Pin Description
No. PORT
Function name I/O Detail of function
100 Vss
MG
99 P57/A15
CEL
O Serial CE for sanyo device
98 P56/A14
O
97 P55/A13
SCK
O Serial data clock for audio IC
96 P54/A12
SO
O Serial data for audio IC
95 P53/A11
O NC
94 P52/A10
O NC
93 P51/A9
O NC
92 P50/A8
O NC
91 P47/AD7
/FMT
O Full mute
90 P46/AD6
/MTSW O LFE mute
89 P45/AD5
/MTC
O Center mute
88 P44/AD4
/MTMR O Main, rear mute
87 P43/AD3
/TMT
O Tuner mute
86 P42/AD2
DEST
I
Frequency switch (R destination)
85 P41/AD1
RDSE I/O RDS use detect/RDS Enable out
84 P40/AD0
TUN1
I
Tuner destination 1
83 P87/A7
TUN0
I
Tuner destination 0
82 P86/A6
/ST
I
Tuner/ST (stereo)
81 P85/A5
TUNED
I
Tuned
80 P84/A4
SCKR
O RDS data clock
79 P83/A3
SDTR
O RDS data
78 P82/A2
SDRR
I
RDS data receive
77 P81/A1
/ICD
O YSS928/DA/AD/CODEC/DEM
76 P80/A0
CSY
O YSS928 CE
75 P27/SCK0
/SCK0
O FL Driver Clock/Flash Clock
74 P26/SO0
SDF
O FL Driver TxD/Flash RxD
73 P25/SI0
CEFD
O FL Driver CE/Flash TxD
72 P24/BUZ
VPP2
O Control of flash write
71 P23/PCL
CEP
O PLL IC Enable
70 P22/ASCK1/SCK1 SCKP
O PLL data clock
69 P21/TXD1/SO1
SDTP
O PLL data
68 P20/RXD1/SI1
SDRP
I
PLL data receive
67 P72/ASCK2/SCK2 YSSCK O YSS928 data clock
66 P71/TXD2/SO2
SDM
O YSS928 data
65 P70/RXD2/SI2
SDD
I
YSS928 data receive
64 AVref1
AVref
63 P131/ANO1
/BLK
O FL Driver all lights out
62 P130/ANO0
O NC
61 AVss
AVss
60 P17/ANI7
PRV
I
PS protection detect
59 P16/ANI6
PRD
I
DC protection detect
58 P15/ANI5
PRI
I
I protection detect
57 P14/ANI4
ADKEY0
I
Body key detection 0
56 P13/ANI3
ADKEY1
I
Body key detection 1
55 P12/ANI2
ADKEY2
I
Body key detection 2
54 P11/ANI1
MODEL I
Model select
53 P10/ANI0
PREMT
I
Power limiter detection
52 AVref0
AVref0
51 AVdd
AVdd