Ic148: M30845Mw-001-Gp (D-Video P.c.b) - Yamaha RX-V1700 Service Manual

RX-V1700/DSP-AX1700

IC148: M30845MW-001-GP (D-VIDEO P.C.B)

Single chip 16/32-bit microprocessor
No. Port Name
1 P96/SDA4
2 P95/CLK4
3 P94/DA1/TB4in
4 P93/TB3in
5 P92/SDA3
6 P91/SCL3
7 P90/TB0in
8 P146
9 P145
10 P144
11 P143
12 P142
13 P141
14 P140
15 BYTE
16 CNVSS
17 P87
18 P86
19 /RESET
20 XOUT
21 Vss
22 XIN
23 Vcc1
24 P85/NMI
25 P84/INT2
26 P83/INT1
27 P82/INT0
28 P81/TA4in
29 P80/TA4out
30 P77/TA3in
31 P76/TA3out
32 P75/TA2in
33 P74/TA2out
34 P73/TA1in
35 P72/CLK2
36 P71/SCL2
37 P70/SDA2
38 P67/TxD1
39 Vcc1
40 P66/RxD1
41 Vss
42 P65/CLK1
43 P64/CTS1
44 P63/TxD0
45 P62/RxD0
46 P61/CLK0
47 P60/CTS0/RTS0
48 P137
49 P136
50 P135
51 P134
52 P57/RDY
53 P56/ALE/RAS
54 P55/HOLD
55 P54/HLDA/ALE
56 P133
57 Vss
58
Terminal Name
Port I/O
(P.C.B.)
SDAL SIO
NC O
LPFCTL O
CEC5A HiZ
SDAH SIO
SCLH SO
CECW HiZ
Test Point O
Test Point O
Test Point O
Test Point O
Test Point O
Test Point O
Test Point O
BYTE MCU
CNVSS MCU
NC O
BOOT I
(/EN232) O
/RES MCU
XOUT MCU
GND MCU
XIN MCU
5.0V MCU
NMI I
/REM IRQ
/INTAD IRQ
/INTH IRQ
NC O
Test J1-3 I
Test J1-2 I
Test J1-1 I
HDMINT O
232PWR I
CVBSDET O
MREQ O
SCLV SI
SDAV SO
TXD1 SO
MCU
RXD1 SI
MCU
RTS1 O
CTS1 I
VtoM SO
MtoV SI
CLKH SI
MRES O
/RES_Rx O
TMDS_ENB O
EDID_ENB O
EDID_SEL O
/RDY I
NC O
NC I
NC O
PSENB O
GND MCU
Function
I/O signal of I2C SDA (for 100kHz device)
LPF fs select
HDMI CEC spare
I/O signal of I2C SDA (for HDMI device)
Output signal of I2C SCL (for HDMI device)
HDMI CEC spare
Monitor terminal for development
Monitor terminal for development
Monitor terminal for development
Monitor terminal for production inspection
Monitor terminal for production inspection
Monitor terminal for production inspection
Monitor terminal for production inspection
Data bus width setting: Set to 16bit = LOW
Processor mode: Set to HI
YDC boot signal input
232C line open request (Video -> Main)
Reset signal input
Ceramic oscillator 10Mhz
GND
Ceramic oscillator 10Mhz
5.0V
Connection to the remote control light receiving section enabled
Interrupt signal from ADV7401
HDMI Tx/Rx interrupt
Start-up option forced log output
Start-up option HDCP ON/OFF
Start-up option mobile mode
HDMI interrupt request
232C Transceiver shutdown detect input
Reset signal I/O for expander
Main microprocessor I/F REQ output signal
Output signal of I2C SCL (for video device)
I/O signal of I2C SDA (for Video device)
Serial I/F for YDC writing
Serial I/F for Debugging/writing
5.0V
Serial I/F for YDC writing
Serial I/F for Debugging/writing
GND
Serial I/F for YDC/RS232C writing
Serial I/F for YDC/RS232C writing
Main microprocessor I/F SPI
Main microprocessor I/F SPI
Main microprocessor I/F SPI
Main microprocessor I/F RES output signal
Reset HDMI Rx only
TMDS pull-up ON/OFF (CE of equalizer IC)
Whether accessible to EEPROM or not
YGV/WAIT signal input 1700 requires pull (up)
HDMI DDC enable control
HDMI Tx power signal enable
GND