Pioneer VSX-84TXSi Service Manual page 297

5
Pin Function
No. Mark
1 P94/DA1/TB4IN
2 P93/DA0/TB3IN
3 P92/TB2IN/SOUT3
4 P91/TB1IN/SIN3
5 P90/TB0IN/CLK3
6 BYTE
7 CNVss
8 P87/XCIN
9 P86/XCOUT
10 RESET
11 XOUT
12 VSS
13 XIN
14 VCC
15 P85/NMI
16 P84/INT2
17 P83/INT1
18 P82/INT0
19 P81/TA4IN/U
20 P80/TA4OUT/U
21 P77/TA3IN
22 P76/TA3OUT
23 P75/TA2IN/W
24 P74/TA2OUT/W
25 P73/CTS2/RTS2/TA1IN/V
26 P72/CLK2/TA1OUT/V
27 P71/RxD2/SCL2/TA0IN/TB5IN
28 P70/TXD2/SDA2/TA0OUT
29 P67/TXD1/SDA1
30 P66/RxD1/SCL1
31 P65/CLK1
32 P64/CTS1/RTS1/CTS0/CLKS1 232C RTS
33 P63/TXD0/SDA0
34 P62/RxD0/SCL0
35 P61/CLK0
36 P60/CTS0/RTS0
37 P57/RDY/CLKOUT
38 P56/ALE
39 P55/HOLD
40 P54/HLDA
41 P53/BCLK
42 P52/RD
43 P51/WRH/BHE
44 P50/WRL/WR
45 P47/CS3
46 P46/CS2
47 P45/CS1
48 P44/CS0
49 P43/A19
50 P42/A18
5
6
Pin Name I/O
DSP2SSI I Motorola DSP communication strobe
DSP2BUSY I Motorola DSP busy input (at MCACC function)
Data output of microcomputer communication to the main microcomputer
HDO I
HDI I Data input of microcomputer communication from the main microcomputer
Clock input of microcomputer communication from the main microcomputer
HCLK I
BYTE O 16 bit setting of the external FLASH bus-width
−
CNVss Shift from single-chip mode to memory expanded mode.
Request output of microcomputer communication to the main microcomputer
HRDY I
IRQ2 I Motorola DSP busy input (at decoder function)
RESET I RESET input from the main microcomputer
Xout O Connect a ceramic resonator (15.4MHz)
−
Vss Ground
Xin I Connect a ceramic resonator
−
Vcc Power supply
NMI I
(USB UNLOCK) I (USB communication request: Plan)
Request input of microcomputer communication from the main microcomputer
HREQ I
POFF I Power OFF signal
DSP2RST I Motorola DSP reset
DSP1RST I 1st DSP reset
EXOE I OE output of the expansion IC
S DATA I Data output of the expansion IC
S CLOCK I Clock output of the expansion IC
STB I Strobe output of the expansion IC
CSN I Control CS output of DIR IC
XPDN I DIR reset
UNLK/(USB ERROR)
I UNLOCK signal input/(USB error information input)
XMFS I XM FS information
232C Tx I RS232C communication TxD(rewriting / control)
232C Rx I RS232C communication RxD(rewriting / control)
JIGCLK I Rewriting
I RS232C communication RTS(rewriting / control)
CDTO/DA CDTO/(USB DTO) I DIR/DA/(USB) serial comminication data output
CDTI/(USB DTI) I DIR/(USB) serial comminication data input
CCLK/DA CCLK/(USB CLK) I DIR/DA/(USB) serial comminication clock output
DACS1 I Control CS output of DAC IC for F/R
XRDY I Vcc (3.3V)
ALE O NC (open at memory expanded mode)
XHOLD I Vcc (3.3V)
XHLDA O NC (open at memory expanded mode)
BCLK O NC (open at memory expanded mode)
XOE O FLASH MEMORY I/F READ
XWRH O FLASH MEMORY I/F WRITE
XWRL O FLASH MEMORY I/F WRITE
XSMUTE I For last stage mute control
XHDMI(RF UNLOCK)
I For mute control of HDMI input (for RF UNLOCK detection)
XSPDIF I For mute control of DIR input
XCE O FLASH MEMORY CE control
A19 O Address output of FLASH MEMORY communication
A18 O Address output of FLASH MEMORY communication
VSX-74TXVi
6
7
Pin Function
7
8
A
B
C
D
E
F
251
8