Yamaha RX-V2065 Service Manual page 83

Function
Pin
Port Name Name
No.
(P.C.B.)
/RESET
19 /RESET
/RESET
Xout
20 Xout
Xout
Vss
21 Vss
Vss
Xin
22 Xin
Xin
Vcc1
23 Vcc1
Vcc1
/NMI
24 /NMI
P85/NMI
INT2
25 HDMI_MUT
P84/INT2
INT1
26 HDMI_INT
P83/INT1
INT0
27 HEQ_N_INT
P82/INT0
P81
P81/TA4in/U/
28 DSP_N_RDY
INPC15/OUTC15/
CTS5/RTS5/RTP23
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
TA1in
P73/TA1in/V/CTS2/
34 232C_MISO
RTS2/SS2/INPC10/
OUTC10/ISTXD1
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
I/O
MCU MCU MCU MCU [MCU]
MCU MCU MCU MCU [MCU]
MCU MCU MCU MCU [MCU]
MCU MCU MCU MCU [MCU]
MCU MCU MCU MCU [MCU]
MCU MCU MCU MCU [MCU]
IRQ IRQ O O [O]
IRQ IRQ O O [O]
IRQ IRQ O O O
I I O O [O]
SI I O O [O]
SO O O O [O]
SO O O O [O]
O O O O [O]
O O O O [O]
TMR TMR TMR TMR [O]
O O O O [O]
SO SO O O [O]
SIO SIO O O [O]
Detail of Function
Reset
20 MHz ceramic resonator
GND
20 MHz ceramic resonator
Microprocessor power supply
Unused, pull up to Vcc
HDMI mute input
H: Mute
Interrupt from HDMI RX
Interrupt from HDMI INPUT EQ
While CEC microprocessor is in use, interruptive CEC microprocessor
may be used
DA70Y RDY
Synchronous data input for DIR, DA70Y, DAC
Synchronous clock output for DIR, DA70Y, DAC
Synchronous data output for DIR, DA70Y, DAC
DIR reset
DA70Y full mute output
H: Mute
RS232C reception detection
Uses for the return trigger from stop mode (MCUSleep)
CDDA writing route select
H: CDDA writing mode
L: Operational mode usually
CEC microprocessor, Tuner, HDMI_EQ (SiI9185A) I2C SCL output
U-com block then +3.3S, 3.3k then pull up
(100 kHz device)
CEC microprocessor, Tuner, HDMI_EQ (SiI9185A) I2C SDA input
U-com block then +3.3S, 3.3k then pull up
(100 kHz device)
RX-V2065/HTR-6295
83