Yamaha CD-C600 - Microprocessor Pin Functions (1-50)

32
CD-C600
CD-C600
Pin No. Function Name I/O Detail of Function
1 EEP_WP O Wright protection of EEPROM (IC304)
2 EEP_SDA O Serial data to EEPROM (IC304)
3 DAC_/CS O Chip select to audio DAC (IC302)
4 DAC_SCL O Serial clock to audio DAC (IC302)
5 DAC_SDA O Serial data output to audio DAC (IC302)
6 OCD_MODE I Input High --> Normal, Low --> Writing ROM mode
7 /AMUTE O Muting control signal to audio circuit High --> Muting is active
8 ABUS_SW O No use
9
RESET I Input RESET signal of IC305
10 XOUT O Oscillator OUT
11 VSS/AVSS GND DGND
12 XIN I Oscillator IN
13 VCC/AVCC Power S+33
14 232C_PCON O Turn 232C function ON/OFF High --> 232C function is active
15 IR I Input the signal from remote control
16 FL_/RST O RESET signal to FL-display
17 FL_CLK O Serial clock to FL-display (V701)
18 FL_DATA O Serial data output to FL-display (V701)
19 FL_CS O Chip select to FL-display (V701)
20 CLSW I Detect CLOSE SW of changer mechanism
21 OPSW I Detect OPEN SW of changer mechanism
22 DOWNSW I Detect CLAMP-DOWN SW of changer mechanism
23 UPSW I Detect CLAMP-UP SW of changer mechanism
24 TBL_POS I Detect table position of changer mechanism
25 USB_PCON O Control IC301(DC/DC converter) and USB+5V is ON/OFF
High --> USB+5V is supplied
26 HSW_/FLG I Detect the status of IC6 (current limiter) High --> Normal, Low --> Over current
27 HSW_/EN O Control IC6 (current limiter) Low --> Enable output
28 iPod_IF I Control signal from iPod to change communication format
29 USB_IN I Detect to plug in USB memory or iPod High --> Detect USB memory or iPod
30 CANCEL I Request signal for cancel busy condition
31 C2_Flag I Input FMON2 (C2F) signal from CD-DSP (IC2)
32 USB_/RST O RESET signal to USB-ucom (IC7)
33 USB_RX I RX signal from USB-ucom (IC7)
34 USB_TX O TX signal to USB-ucom (IC7)
35 DOUT2 O Reserved (for 232C)
36 RIN2 I Reserved (for 232C)
37 CLOSE O Control signal for closing tray
38 OPEN O Control signal for opening tray
39 CL_DOWN O Control signal for CLAMP_DOWN
40 CL_UP O Control signal for CLAMP_UP
41 TBL_L O Control signal for rotating table
42 TBL_R O Control signal for rotating table
43 DOUT_MUTE O Muting digital-out signal on pure direct
Low --> Digital-output signal is muting
44 CD_MUTE I Detect the muting control signal from CD-DSP (IC2) during loading disc or searching track
45 232C_TX O TX signal to 232C terminal
46 232C_RX I RX signal from 232C terminal
47 CLK2 O Output the clock signal to CD-DSP
48 RxD2 I Input the status signal from CD-DSP
49 TxD2 O Output the status signal to CD-DSP
50 DSP_CE O Output chip_enable signal to CD-DSP