Yamaha RX-V565 Service Manual page 82
Av receiver / av amplifier
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Also See for RX-V565:
- Service manual (150 pages) ,
- Owner's manual (136 pages) ,
- Firmware update procedures (5 pages)
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RX-V565/HTR-6250/AX-V565
Function
Pin
Port Name
No.
P81
P81/TA4in/U/INPC15/
DSP_N_RDY
28
OUTC15/CTS5/
RTS5/RTP23
P81
DIR_WCK
RXD5
29
P80/TA4out/U/
DSP_MISO
ISRXD0/RXD5
CLK5
P77/TA3in/INPC14/
30
DSP_SCK
OUTC14/ISCLK0/
CLK5/RTP22
TXD5
P76/TA3out/INPC13/
31
DSP_MOSI
OUTC13/ISTXD0/
TXD5
P75
P75/TA2in/W/
32
DIR_N_RST
INPC12/OUTC12/
ISRXD1/RTP21
P74
P74/TA2out/W/
33
DSP_FMT
INPC11/OUTC11/
ISCLK1/RTP20
34 P73
232C_MISO
P72
35
SEL_CDDA
P72/TA1out/V/CLK2
SCL2
P71/TA0in/TB5in/
RXD2/SCL2/STXD2/
36
CEC_SCL
INPC17/OUTC17/
OUTC22/ISRXD2/
IEin/RTP03
SDA2
P70/TA0out/TXD2/
SDA2/SRXD2/
37
CEC_SDA
INPC16/OUTC16/
OUTC20/ISTXD2/
IEout/RTP02
TxD1
P67/TXD1/SDA1/
232C_MOSI
38
SRXD1
TxD1
TXD
Vcc1
39
Vcc1
Vcc1
RxD1
P66/RXD1/SCL1/
232C_MISO
40
STXD1
RxD1
RXD
Vss
41
Vss
Vss
P65
232C_RTS
P65/CLK1
42
CLK1
E8a_SCLK
CTS1
P64/CTS1/RTS1/
232C_CTS
43
SS1/OUTC21/
ISCLK2
RTS1
E8a_BUSY
SDA0
44
P63/TXD0/SDA0/
HDMI_SDA
SRXD0/IrDAout
82
I/O
Name
(P.C.B.)
I
O
O
O
I
O
O
O
SI
O
O
O
SO
O
O
O
SO
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
SO
SO
O
O
SIO
SIO
O
O
SO
SO
SO
O
SO
MCU MCU MCU MCU MCU Microprocessor power supply
SI
SI
SI
I
SI
MCU MCU MCU MCU MCU Microprocessor GND
SO
SO
SO
O
SI
SI
SI
SI
I
SO
SIO
SIO
O
O
Detail of Function
O
DA70Y RDY
O
CDDA writing DIR_WCK input
O
Synchronous data input for DIR, DA70Y, DAC
O
Synchronous clock output for DIR, DA70Y, DAC
O
Synchronous data output for DIR, DA70Y, DAC
O
DIR reset
DA70Y full mute output
O
H: Mute
O
CDDA writing route select
O
H: CDDA writing mode, L: Operational mode usually
CEC microprocessor, Tuner, HDMI_EQ (SiI9185A) I2C SCL output
O
(100 kHz device)
U-com block then +3.3S, 3.3k then pull up
CEC microprocessor, Tuner, HDMI_EQ (SiI9185A) I2C SDA input
O
(100 kHz device)
U-com block then +3.3S, 3.3k then pull up
RS232C data output
O
Pull up at 100 k-ohms
E8a, ICP (In-circuit programmer) data output
RS232C data input
I
Pull up at 100 k-ohms
E8a, ICP (In-circuit programmer) data input
O
RS232C RTS output
E8a, ICP (In-circuit programmer) clock input
Pull up at 100 k-ohms
RS232C CTS input
I
Pull down at 100 k-ohms
E8a, ICP (In-circuit programmer) BUSY output
HDMI RX/TX, Video Enc/Dec I2C SCL output (400 kHz device)
O
Pull up at HDMI block
HDMI RX/TX: 5V tolerant
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