Pioneer VSX-816-S Service Manual - Page 113

Pin Name, Pin Function

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5 6 7 8 • Pin Function No. Port Pin Name 1 P96/ANEX1/SOUT4 USB DAI 2 P95/ANEX0/CLK4 USCLK 3 P94/DA1/TB4IN DISP EN 4 P93/DA0/TB3IN DISP RDY 5 P92/TB2IN/SOUT3 DISP DI/OSD DT 6 P91/TB1IN/SIN3 DISP DO 7 P90/TB0IN/CLK3 DISP CLK/OSD CLK 8 BYTE GND 9 CNVss CNVSS 10 P87/XCIN I2C CK 11 P86/XCOUT I2C DT 12 RESET XRESET 13 XOUT XOUT 14 VSS GND 15 XIN XIN 16 VCC 5V 17 P85/NMI NMI 18 P84/INT2 ACIN(WAKEUP) 19 P83/INT1 P85/NMI USB TREQ 20 P82/INT0 1W WUP 21 P81/TA4IN/U UART SW2 22 P80/TA4OUT/U USB HREQ 23 P77/TA3IN USB CTL 24 P76/TA3OUT USB XFLAG 25 P75/TA2IN/W iPod Sense 26 P74/TA2OUT/W USB XRST 27 P73/CTS2/RTS2/TA1IN/V USCS 28 P72/CLK2/TA1OUT/V DISP RST 29 P71/RxD2/SCL/TA0IN/TB5IN XM RX 30 P70/TXD2/SDA/TA0OUT XM TX 31 P67/TXD1 TXD(SR+/iPod) 32 P66/RxD1 RXD(SR+/iPod) 33 P65/CLK1 CLK 34 P64/CTS1/RTS1/CLKS1 232C CTS 35 P63/TXD0 DSP DI 36 P62/RxD0 DSP DO 37 P61/CLK0 DSP CLK 38 P60/CTS0/RTS0 DSP RST 39 P57/RDY/CLKOUT DSP SS 40 P56/ALE BUSY 41 P55/HOLD DSP HREQ 42 P54/HLDA DSP MODE 43 P53/BCLK DSP MUTE 44 P52/RD ADMODE 45 P51/WRH/BHE DIR DO 46 P50/WRL/WR DIR CS 47 P47/CS3 LSSN 48 P46/CS2 DIR CDC RST 49 P45/CS1 DIR ERR 50 P44/CS0 XTL0 I/O Pin Function I/O data out to USB I/O clock signal from USB I/O enable signal to display u-com I/O ready signal from display u-com I/O data out to display u-com/OSD IC I/O data in from display u-com I/O clock signal to display u-com/OSD IC I/O clock for I2C communication with EEPROM IC I/O data for I2C communication with EEPROM IC I no use I/O AC pulse in I/O Request from TCC760 to main u-com I/O wake up signal from display u-com I/O L:SR + route and H:iPod or XM route are selected. I/O Request from main u-com to TCC760 I/O From main u-com to USB power switch IC I/O From USB power switch IC to main u-com I/O iPod Sense I/O reset signal to USB I/O From main u-com to TCC760 I/O reset signal to display u-com I/O XM communication I/O XM communication I/O SR+/iPod communication I/O SR+/iPod communication I/O It is necessary when writing for JIG I/O For rewriting 232C (Admit communication) I/O Data output signal for communication with DSP and DIR I/O Data input signal for communication with DSP I/O Clock signal for communication with DSP and DIR I/O Reset signal for DSP I/O Strobe select signal to DSP I/O Use it in MCACC I/O DSP error detect signal I/O Mode select of DSP (ROM/RAM) I/O DSP ASSY mute I/O DSP ASSY I/O Data input signal for communication with DIR/DAC I/O Chip select signal for communication with DIR/DAC I/O DSP ASSY I/O Reset signal for DIR CODEC I/O lock/unlock signal I/O DIR X'tal change VSX-816-K 5 6 7 8 A B C D E F 113

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VSX-816-K
113
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C
D
F
A
B
E
No.
Port
Pin Name
I/O
Pin Function
• Pin Function
P96/ANEX1/SOUT4
P95/ANEX0/CLK4
P94/DA1/TB4IN
P93/DA0/TB3IN
P92/TB2IN/SOUT3
P91/TB1IN/SIN3
P90/TB0IN/CLK3
BYTE
CNVss
P87/XCIN
P86/XCOUT
RESET
XOUT
VSS
XIN
VCC
P85/NMI
P84/INT2
P83/INT1 P85/NMI
P82/INT0
P81/TA4IN/U
P80/TA4OUT/U
P77/TA3IN
P76/TA3OUT
P75/TA2IN/W
P74/TA2OUT/W
P73/CTS2/RTS2/TA1IN/V
P72/CLK2/TA1OUT/V
P71/RxD2/SCL/TA0IN/TB5IN
P70/TXD2/SDA/TA0OUT
P67/TXD1
P66/RxD1
P65/CLK1
P64/CTS1/RTS1/CLKS1
P63/TXD0
P62/RxD0
P61/CLK0
P60/CTS0/RTS0
P57/RDY/CLKOUT
P56/ALE
P55/HOLD
P54/HLDA
P53/BCLK
P52/RD
P51/WRH/BHE
P50/WRL/WR
P47/CS3
P46/CS2
P45/CS1
P44/CS0
USB DAI
USCLK
DISP EN
DISP RDY
DISP DI/OSD DT
DISP DO
DISP CLK/OSD CLK
GND
CNVSS
I2C CK
I2C DT
XRESET
XOUT
GND
XIN
5V
NMI
ACIN(WAKEUP)
USB TREQ
1W WUP
UART SW2
USB HREQ
USB CTL
USB XFLAG
iPod Sense
USB XRST
USCS
DISP RST
XM RX
XM TX
TXD(SR+/iPod)
RXD(SR+/iPod)
CLK
232C CTS
DSP DI
DSP DO
DSP CLK
DSP RST
DSP SS
BUSY
DSP HREQ
DSP MODE
DSP MUTE
ADMODE
DIR DO
DIR CS
LSSN
DIR CDC RST
DIR ERR
XTL0
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
data out to USB
clock signal from USB
enable signal to display u-com
ready signal from display u-com
data out to display u-com/OSD IC
data in from display u-com
clock signal to display u-com/OSD IC
clock for I2C communication with EEPROM IC
data for I2C communication with EEPROM IC
no use
AC pulse in
Request from TCC760 to main u-com
wake up signal from display u-com
L:SR + route and H:iPod or XM route are selected.
Request from main u-com to TCC760
From main u-com to USB power switch IC
From USB power switch IC to main u-com
iPod Sense
reset signal to USB
From main u-com to TCC760
reset signal to display u-com
XM communication
XM communication
SR+/iPod communication
SR+/iPod communication
It is necessary when writing for JIG
For rewriting 232C (Admit communication)
Data output signal for communication with DSP and DIR
Data input signal for communication with DSP
Clock signal for communication with DSP and DIR
Reset signal for DSP
Strobe select signal to DSP
Use it in MCACC
DSP error detect signal
Mode select of DSP (ROM/RAM)
DSP ASSY mute
DSP ASSY
Data input signal for communication with DIR/DAC
Chip select signal for communication with DIR/DAC
DSP ASSY
Reset signal for DIR CODEC
lock/unlock signal
DIR X'tal change
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