VSX-74TXVi
248
1
2
3
4
1
2
3
4
C
D
F
A
B
E
Pin Function
No.
Mark
Pin Name
I/O
Pin Function
1
VREF
Vref(5V)
-
Reference voltage
2
AVcc
Avcc(5V)
-
Power supply (5V)
3
P97/ADTRG/SIN4
HDMI/DSP DO
I
Data input for HDMI/DSP microcomputer
4
P96/ANEX1/SOUT4
HDMI/DSP DI
O/L
Data output for HDMI/DSP microcomputer
5
P95/ANEX0/CLK4
HDMI/DSP CLK
O/L
Clock output for HDMI/DSP microcomputer
6
P94/DA1/TB4IN
HDMI RDY
I
Ready input for HDMI microcomputer
7
P93/DA0/TB3IN
HDMI RST
O/L
Reset output for HDMI microcomputer
8
P92/TB2IN/SOUT3
1394 DI
O/L
Communication with 1394 HOST controller
9
P91/TB1IN/SIN3
1394 DO
I
Communication with 1395 HOST controller
10
P90/TB0IN/CLK3
1394 CLK
O/L
Communication with 1396 HOST controller
11
P141
SB MUTE
O/L
Mute for SB ch (L:MUTE)
12
P140
1394 RST
O/L
Communication with 1396 HOST controller
13
BYTE
L:16 bit width
External flash bus width setting L= 16 bit, H= 8 bit.
14
CNVss
Vss(exp. mode)
Shift from single-chip mode to memory expanded mode.
15
P87/XCIN
DSP RDY
I
Communication with microcomputer Request input to the main
16
P86/XCOUT
DSP RST
O/L
Communication with DSP controller
17
RESET
RESET
I
Reset input from the main microcomputer
18
XOUT
Xout
O
Connect a ceramic resonator (15.7MHz).
19
Vss
Vss(GND)
-
Ground
20
XIN
Xin
I
Connect a ceramic resonator
21
Vcc1
Vcc1(5V)
-
Power supply(5V)
22
P85/NMI
NMI
I
-
23
P84/INT2
WAKEUP (AC PULSE)
( I )
AC pulse input
24
P83/INT1
1394 INT(RDY)
I
Communication with 1394 HOST controller
25
P82/INT0
1W WAKEUP
I
Communication with display microcomputer
26
P81/TA4IN/U
RDS CK/XM LOW SPEED
I
(RDS model) CLOCK IN/(XM) DATA IN
27
P80/TA4OUT/U
RDS DT/LINK ACTIVE(XM)
I
(RDS model) DATA IN/(XM) LINK signal
28
P77/TA3IN
OL DET
I
OVERLOAD detection (L: abnormality)
29
P76/TA3OUT
POFFINFO
O/L
Notice of power off to the DSP controller (Pull off an outlet)
30
P75/TA2IN/W
DISP REQ
O/L
Communication with display microcomputer
31
P74/TA2OUT/W
DISP RDY
I
Communication with display microcomputer
32
P73/CTS2/RTS2/TA1IN/V
DISP RST
O/H
Communication with display microcomputer
33
P72/CLK2/TA1OUT/V
DISP CLK
O/L
Communication with display microcomputer
34
P71/RxD2/SCL2/TA0IN/TB5IN
DISP DO
I
Communication with display microcomputer
35
P70/TXD2/SDA2/TA0OUT
DISP DI
O/L
Communication with display microcomputer
36
P67/TXD1/SDA1
232C TxD
O/L
RS-232C
37
Vcc1
Vcc1(5V)
-
Power supply (5V)
38
P66/RxD1/SCL1
232C RxD
I
RS-232C
39
Vss
Vss(GND)
-
Ground
40
P65/CLK1
JIG CLK
RS-232C
41
P64/CTS1/RTS1/CTS0/CLKS1
232C CTS
O/L
RS-232C
42
P63/TXD0/SDA0
Tx (SR+/iPOD/XM)
O/L
Communication with SR+/iPod/XM
43
P62/RxD0/SCL0
Rx (SR+/iPOD/XM)
I
Communication with SR+/iPod/XM
44
P61/CLK0
LOW COMSUMPTION
O/L
AMUTE power ON/OFF(ON: H)
45
P60/CTS0/RTS0
S-DET
I
S-VIDEO detection (H)
46
P137
WAKE_UPB(XM)
I
For XMDTcommunication
47
P136
XM/iPod SELECT
O/L
POD/XM path switch (iPod: L,XM: H)
48
P135
EXP ST
O/L
Communication with expansion IC
49
P134
EXP OE
O/L
Communication with expansion IC
50
P57/RDY/CLKOUT
Vcc(5V)
I
Vcc(5V)