Yamaha RX-V459 Service Manual page 42

RX-V459/HTR-5940/DSP-AX459
HTR-5935
IC2 : M30625MHP-A98GP (DSP P.C.B.)
Microprocessor
No. Port Name Terminal Name
1 Vref Vref
2 Avcc Avcc
3 P97/Adtrg/Sin4 CEFD
MOD0
4 P96/ANEX1/SOUT4 DTFD
5 P95/ANEX0/CLK4 CKFD
6 P94/DA1/TB4in LC
7 P93/DA0/TB3in XMPWR
8 P92/TB2in/SOUT3 SDM
9 P91/TB1in/SIN3 SDD
10 P90/TB0in/CLK3 SCK
11 P141 /ICCNV
12 P140 NW_RST
13 BYTE BYTE
14 CNVss CNVss
15 P87/Xcin MUTETI
16 P86/Xcout /TIBUSY
17 /RESET /RES
18 Xout Xout
19 Vss Vss
20 Xin Xin
21 Vcc1 Vcc
22 P85/NMI NMI
23 P84/INT2 /INTTI
24 P83/INT1 /INTDIR
25 P82/INT0 /VSY
26 P81/TA4in/U /CSDIR
27 P80/TA4out/U /CSTI
28 P77/TA3in /CSDAC
29 P76/TA3out /ICDIR
30 P75/TA2in/W /ICTI
31 P74/TA2out/W /SPIRDY
32 P73/CTS2/RTS2/TA1in/V /CEEEP
33 P72/CLK2/TA1out/V FET
34 P71/RXD2/SCL2/TA0i n /TB5i n DRXM
35 P70/TXD2/SDA2/TA0out DTXM
36 P67/TXD1/SDA1 SDA
TXDF
37 Vcc1 Vcc
38 P66/RXD1/SCL1 SCL
RXDF
39 Vss Vss
40 P65/CLK1 N.C.
CLKF
41 P64/CTS1/RTS1/CTS0/CLKS1 BSY
42 P63/TXD0/SDA0 TXDi
TXDNW
43 P62/RXD0/SCL0 RXDi
RXDNW
44 P61/CLK0 iPDET
45 P60/CTS0/RTS0 iPAP
46 P137 Z2RY
YST
47 P136 /4ohm
48 P135 SBRY
49 P134 SPC
50 P57/RDY/CLKout SPB
42
I/O
PowerOn Pure Direct Standby Sleep
MCU MCU
MCU MCU
O O
I
SO O
SO O
DA O
O O
SO O
SI O
SO O
O O O
O O
MCU MCU
MCU MCU
O O
I O
MCU MCU
MCU MCU
MCU MCU
MCU MCU
MCU MCU
MCU MCU
IRQ O
IRQ O
IRQ O O
O O
O O
O O
O O
O O
I O
O O
O O
SI O
SO O
SO I I
SO
MCU MCU
SO I I
SO
MCU MCU
O O
SO
O
SO O
SO O
SI O
SI O
I O
I O
O O
O O
O O
O O
O O
O O
MCU AD reference
MCU AD power supply
O FL Driver CE
MODEL distinction 0
O FL Driver TxD
O FL Driver CLOCK
O Limiter control output
O XM/DT BUS POWER CONTROL (U model)
O Serial data output to DIR, TI (DA70Y), DAC / DIR: 4M, LSBF/TI: 1M, MSBF
O Serial data input from DIR, TI (DA70Y)
O Serial clock output to DIR, TI (DA70Y) DAC
O Reset I2C device of CONV
O Reset signal to Net-module
MCU Vss : When single chip mode is used
MCU Vss : When single chip mode is used, Vcc : When flash writing is used
O MUTE of TI decoder DSP DA70Y (HI=MUTE)
O TI BUSY detection / CDDA writing DATA input
MCU Reset
MCU Oscillation output
MCU Ground for microprocessor
MCU Oscillation input
MCU Power supply +5V for microprocessor
MCU No used, connect Vss
O Interrupt of TI decoder DSP DA70Y
O Interrupt of DIR
O
O Chip enable of DIR
O Chip enable of TI decoder DSP DA70Y
O Chip enable of DAC (2ch/8ch common)
O DIR reset
O Reset of TI decoder DSP DA70Y
O TI DA601 Serial Ready / WCK input for CDDA writing
O EEPROM CE
O Control of flash writing
O XMDT IC RxDU (U model)
O XMDT IC TxDU
I
Data transmission terminal of AF220
MCU Power supply +5V for microprocessor
I
Flash ROM RxD
MCU Ground for microprocessor
O
Clock transmission terminal signal output for AF220
BUSY signal output for AF220
O serial data output for iPod
O
O Serial data input for iPod
O
O iPod detection
O IPod accessories power detection
O
O YST amp control (HTR-5935 model)
IMPEDANCE control / ±B voltage control
O
O SURROUND BACK SP relay output
O CENTER and SURROUND SP relay output
O FRONT B SP relay output
Function