VSX-74TXVi
269
5
6
7
8
5
6
7
8
C
D
F
A
B
E
Pin Function
No.
Mark
Pin Name
I/O
Pin Function
1
P96/ANEX1/SOUT4
HD_DO
O
Main controller communication
2
P95/ANEX0/CLK4
HD_SCK
I
Main controller communication
3
P94/DA1/TB4IN
VCRST
O
ADV7400A, ADV7172K
4
P93/DA0/TB3IN
I2CSELA
O
Access selection of EDID 1or 0 or SiI
5
P92/TB2IN/SOUT3
F/DE(NC)
O
6
P91/TB1IN/SIN3
NC
O
Not connected
7
P90/TB0IN/CLK3
BOOT
O
8
BYTE
GND
Ground
9
CNVss
CNVSS
−
CNVSS
10
P87/XCIN
FSEL0
O
IC601 FilterSelect
11
P86/XCOUT
FSEL1
O
IC601 FilterSelect
12
RESET
XRESET
O
Reset circuit of main controller communication
13
XOUT
XOUT
O
XTAL output
14
VSS
VSS
−
Ground
15
XIN
XIN
I
XTA input
16
VCC
VCC
−
3.3V power supply
17
P85/NMI
NMI
I
18
P84/INT2
TXINT
I
Sil9030
19
P83/INT1
RXINT
I
Sil9031
20
P82/INT0
HD_REQI
I
REQ IN of main controller communication
21
P81/TA4IN/U
VSYNC
I
Not used
22
P80/TA4OUT/U
RXRST
O
Sil9031 RESET
23
P77/TA3IN
RXMUTE
I
Not used
24
P76/TA3OUT
ACLKOFF
O
For radio wave measures
25
P75/TA2IN/W
TXRST
O
Sil9030 reset
26
P74/TA2OUT/W
HD_REQO
O
REQ OUT of main controller communication
27
P73/CTS2/RTS2/TA1IN/V
VCINT(NC)
O
RDY_FP(INT) VIDEO DECODER
28
P72/CLK2/TA1OUT/V
MUTE
O
MUTE control
29
P71/RxD2/SCL/TA0IN/TB5IN
VC_SCL
O
Each IC (video converter)
30
P70/TXD2/SDA/TA0OUT
VC_SDA
O
Each IC
31
P67/TXD1/SDA1
USDA
O
Microcomputer rewriting connector / TX,RX
32
P66/RxD1/SCL1
USCL
O
Microcomputer rewriting connector / TX,RX
33
P65/CLK1
CLK1
O
Microcomputer rewriting connector / selector
34
P64/CTS1/RTS1/CTS0/CLKS1
CTS1
I
Microcomputer rewriting connector / 232C
35
P63/TXD0/SDA0
TXD0
O
232c
36
P62/RxD0/SCL0
RXD0
I
232c
37
P61/CLK0
I2CSELB
O
Access selection of EDID 1or 0 or SiI
38
P60/CTS0/RTS0
RTS0
O
232c
39
P57/RDY/CLKOUT
RDY
I
Open
40
P56/ALE
ALE
O
Open
41
P55/HOLD
HOLD
I
42
P54/HLDA
HLDA
O
Open
43
P53/BCLK
BCLK
O
Open
44
P52/RD
GND
O
IC502 (for external Flash)
45
P51/WRH/BHE
WRH
O
IC502 open
46
P50/WRL/WR
WRL
O
IC502 (for external Flash)
47
P47/CS3
PUSEL
O
IC502 DDC communication 2.7k/4.7k resistor switch
48
P46/CS2
DSCL
O
IC502 I2C for DDC
49
P45/CS1
DSDA
O
IC502 I2C for DDC
50
P44/CS0
CS0
O
IC502 (for external Flash)