Yamaha RX-V2065 Service Manual page 84

RX-V2065/HTR-6295
Function
Pin
Port Name
No.
(P.C.B.)
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 HDMI_SDA
P63/TXD0/SDA0/
SRXD0/IrDAout
SCL0
45 HDMI_SCL
P62/RXD0/SCL0/
STXD0/IrDAin
P61
46 232C_PON
P61/CLK0/RTP01
P60
47 CXB1442_CE
P60/CTS0/RTS0/
SS0/RTP00
P137
48 HEQ_N_RST
P137/OUTC27
ISCLK2
49 P136/OUTC21/ REM_CLK
ISCLK2
P135
50 P135/OUTC22/ HTX_N_RST2
ISRXD2/IEin
ISTXD2
51 P134/OUTC20/ REM_OUT
ISTXD2/Ieout
P57
52 HRX_N_RST
P57/RDY
P56
53 HTX_N_RST
P56/ALE
P55
54 E8a_N_EPM
P55/HOLD
P54
55 HTX_AUSEL
P54/HLDA/ALE
84
I/O
Name
SO SO SO O
MCU MCU MCU MCU [MCU]
SI SI SI I
All MCU MCU MCU [MCU]
SO SO SO O
SI SI SI I
SIO SIO O O
SIO SIO O O
O O O O
O O O O
O O O O
SO O O O
O O O O
SO O O O
O O O O
O O O O
I I I I
O O O O
RS232C data output
[O]
Pull up at 100 k-ohms
SO E8a, ICP (In-Circuit Programmer) data output
Microprocessor power supply
RS232C data input
[I]
Pull up at 100 k-ohms
SI E8a, ICP (In-Circuit Programmer) data input
Microprocessor GND
[O] RS232C CTS input
E8a, ICP (In-Circuit Programmer) clock input
SI
Pull up at 100 k-ohms
RS232C CTS input
[I]
Pull down at 100 k-ohms
SO E8a, ICP (In-Circuit Programmer) BUSY output
HDMI RX/TX, Video Enc/Dec I2C SCL output
Pull up at HDMI block
[O]
HDMI RX/TX: 5V tolerant
(400 kHz device)
HDMI RX/TX, Video Enc/Dec I2C SDA input/output
Pull up at HDMI block
[O]
HDMI RX/TX: 5V tolerant
(400 kHz device)
RS232C driver power supply ON/OFF control
H: ON, L: OFF
[O] Default at standby
U, C models: H (232C ON)
R, T, K, A, B, G, E, F, L models: L
FRONT HDMI EQ chip enable output
Pull down at FRONT HDMI block
[O] H: enable
When CEC microprocessor is used, it substitutes it with HDMI_PON (Pin
60)
HDMI INPUT EQ reset output
Pull up at HDMI EQ block
[O] O L: Reset
When CEC microprocessor is used, it substitutes it with HDMI_PON (Pin
60)
Clock output for remote control code generation
[O]
No connection destination
HDMI TX (OUT2) reset output
[O] Pull down at HDMI block
L: Reset
SCENE select
[O]
DVD control remote control code output
HDMI TX reset output
[O] Pull down at HDMI block
L: Reset
HDMI TX (OUT1) reset output
[O] Pull down at HDMI block
L: Reset
E8a writing mode enable input
[I]
10 k-ohms pull down
[O]
Detail of Function