Yamaha RX-V1067 Service Manual page 89

IC931: MB87L8760 (DIGITAL P.C.B.)
NPGA
* No replacement part available. / サービス部品供給なし
Pin Use
Port Name
No. Port
32 SCK0 SPI0 SCK0 DSP_CLK
33 SO0 SPI0 SO0
34 SI0 SPI0 SI0
40 SCK1 SPI1
41 SO1 SPI1
42 SI1 SPI1
43 SCK2 SPI2
44 SO2 SPI2
47 SI2 SPI2
48 TXD0 UART0 TXD0 SR_MOSI
49 RXD0 UART0 RXD0 SR_MISO
57 TXD1 UART1 TXD1 SCR_MOSI
58 RXD1 UART1 RXD1 SCR_MISO
69 TXD2 UART2 TXD2 IRB_MOSI
70 RXD2 UART2 RXD2 IRB_MISO
11 SCL0 I2C0 SCL0 HEQ_SCL
12 SDA0 I2C0 SDA0 HEQ_SDA
25 SCL1 I2C1 SCL1 SCR_SCL
26 SDA1 I2C1 SDA1 SCR_SDA
27 SCL2 I2C2 SCL2
28 SDA2 I2C2 SDA2
109 PI0_MCLKI 0 IN
111 PI1_LRCK 1 IN
77 PI2_X0IN 2 IN
80 PI3_X1IN 3 IN
50 PI4_XCTS0 4 IN
59 PI5_XCTS1 5 IN
71 PI6_XCTS2 6 IN
99 PO0_MCLKO 7 OUT
94 PO1_XLOCK 8 OUT
97 PO2 OUT
98 PO3 OUT
51 PO4_XRTS0 OUT
60 PO5_XRTS1 OUT
72 PO6_XRTS2 13 OUT
8 PWM0 14 OUT
23 PWM1 15 OUT
3 PIO0_0 [PIO0] 16 IN
4 PIO0_1 [PIO1] 17 IN
5 PIO0_2 [PIO2] 18 IN
6 PIO0_3 [PIO3] 19 IN
7 PIO0_4 [PIO4] 20 IN
24 PIO0_5 [PIO5] 21 IN
31 PIO0_6 [PIO6] 22 IN
35 PIO0_7 [PIO7] 23 IN
Related Power Supply
Function Terminal
Name Processing
DSP_PON
DSP_MOSI DSP_PON
DSP_MISO 10kPD DSP_PON
"5V lever shift
SR_PON
Raise $LCR SB"
"3.3V level shift
SR_PON
10kPD"
"Switch to SCL2
with JW HDMI_PON O
Raise $LCR SB"
"Switch to SDA2
with JW HDMI_PON
10kPD"
Raise $LCR SB PRY
10kPD PRY
2.2kPU HDMI_PON O
2.2kPU HDMI_PON O
2.2kPU HDMI_PON O
2.2kPU HDMI_PON O
"Switch to TXD1
SCR_DBG_
with JW HDMI_PON O
SCL
2.2kPU"
"Switch to RXD1
SCR_DBG_
with JW HDMI_PON O
SDA
2.2kPU"
RDS_RDY 10kPU+100kPD PRY
RDS_MISO 10kPD PRY
RDS_CLK PRY
RDS_RST PRY
DAC_N_
DSP_PON
RST_F
DAC_N_
DSP_PON
RST
10kPD HDMI_PON O
10KPD HDMI_PON O
HTX1_N_
10kPU HDMI_PON
INT
HTX2_N_
10kPU HDMI_PON
INT
"4.7kPU at
DSP2_N_
100kPD and Net DSP_PON
SPIRDY
31, 35"
SCR_N_
10kPU HDMI_PON
INT
10kPD HDMI_PON O
10kPD HDMI_PON O
RX-V1067/HTR-8063/RX-A1000
OFF ON
I/O Logic I/O Logic
O Low O Clk DSP communication clock
O Low O Data DSP transmission data
I --- I Data DSP receive data
Usable as output port
Usable as output port
Usable as output port
Usable as output port
O Low O Data SIRIUS transmission data
I --- I Data SIRIUS receive data
Low O Data Video scaler debug transmission data
I --- I Data Video scaler debug receive data
O Low O Data IR blaster transmission data
I --- I Data IR blaster receive data
Low O Clock HDMI switcher 100k I2C clock
Low I/O Data HDMI switcher 100k I2C data
Low O Clock Video scaler 400k I2C clock
Low I/O Data Video scaler 400k I2C data
Low O Clock Video scaler debug 400k I2C clock
Low I/O Data Video scaler debug 400k I2C data
I --- I H act RDS ready
I --- I Data RDS data
GND at 0J if not assigned
GND at 0J if not assigned
GND at 0J if not assigned
GND at 0J if not assigned
GND at 0J if not assigned
O Low O Clock RDS clock
O Low O H act RDS reset
O Low O L act MainZone DAC reset Front (PCM1789)
MainZone DAC reset Center/Surround/Surround
O Low O L act
Back/SW (PCM1789)
O Low O Low
O Low O Low
Open if not assigned
Open if not assigned
Open if not assigned
Low O Low Set to OUT if not assigned
Low O Low Set to OUT if not assigned
I --- I L act HDMI TX1 interrupt (reserve)
I --- I L act HDMI TX2 interrupt (reserve)
O Low I L act DSP2 SPI ready
I --- I L act Interrupt of scaler
Low O Low Set to OUT if not assigned
Low O Low Set to OUT if not assigned
Detail of Function
89