Yamaha CD-S3000 Service Manual page 44

CD-S3000
Pin
Port Name
No.
1 P9_6/ANEX1/SOUT4
2 P9_5/ANEX0/CLK4
3 P9_4/DA1/TB4IN/PWM1
4 P9_3/DA0/TB3IN/PWM0
5 P9_2/TB2IN/PMC0/SOUT3
6 P9_1/TB1IN/PMC1/SIN3
7 P9_0/TB0IN/CLK3
8 BYTE
9 CNVss
10 P8_7/XCIN
11 P8_6/XCOUT
12 nRESET
13 Xout
14 Vss
15 Xin
16 Vcc1
17 P8_5/nNMI/nSD/CEC
* Nch open drain
18 P8_4/nINT2/ZP
19 P8_3/nINT1
20 P8_2/nINT0
21 P8_1/TA4IN/nU/nCTS5/nRTS5 RY_AUDIO
22 P8_0/TA4OUT/U/RXD5/SCL5
23 P7_7/TA3IN/CLK5
24 P7_6/TA3OUT/TXD5/SDA5
25 P7_5/TA2IN/nW
26 P7_4/TA2OUT/W
27 P7_3/nCTS2/nRTS2/TA1IN/nV I2SSEL_DSDPCM
28 P7_2/CLK2/TA1OUT/V
29 P7_1/RXD2/SCL2/SCLMM/
TA0IN/TB5IN
* Nch open drain
30 P7_0/TXD2/SDA2/SDAMM/
TA0OUT
* Nch open drain
31 P6_7/TXD1/SDA1
32 P6_6/RXD1/SCL1
33 P6_5/CLK1
44
I/O
Function Name
(P.C.B.)
FL_EX_MOSI SO O
FL__EX_CLK O O
PULSE_DET I O
MTR_CTL_DA O O
DIR_MOSI SO O
DIR_MISO SI O
DIR_SCK O O
BYTE MCU MCU
CNVss MCU MCU
DIR_N_RST O O
DIR_N_CS CS O
N_RST MCU MCU
XOUT MCU MCU
VSS MCU MCU
XIN MCU MCU
VCC1 MCU MCU
/NMI MCU MCU
REM_REAR IRQ IRQ
SSP2_N_YISO_IRQ IRQ IRQ
REM IRQ IRQ
O O
SSP2_YISO O O
SSP2_N_YOSI__IRQ O O
SSP2_YOSI O O
A_MUTE O O
SEL_DIR_BYPASS O O
O O
DAC_A_MUTE I O
SYS_RXD SI O
SYS_TXD SO O
WR_MOSI SO SO
WR_MISO SI SI
WR_CK SO SO
O FL Driver control data output
Extended IC: Data out for LC709004A
O FL Driver control clock output
Extended IC: Clock for LC709004A
O Pulse input for tray driving motor
O DA output for tray control
O DIR DIX9210 control data output
O DIR DIX9210 control data input
O DIR DIX9210 control clock output
MCU Connected to Vss when in single chip mode
(External data bus width change: 16 bit)
MCU High: To flash included BOOT mode
BOOT mode: P5_5=L, CNVSS=H, P5_0=H
Low: Processor mode selection: Single chip mode
O DIR DIX9210 control reset output
O DIR DIX9210 control chip selection output
MCU Reset input
MCU Main clock 20MHz output
MCU D_GND
MCU Main clock 20MHz input
MCU +5M
MCU Pull-up because of being unused
O Rear panel IR input
O SYSTEM2 power detection
O Remote control IR input
O BALANCE output relay control
High=Sound output, Low=Sound not output
O SO I2C to write EEPROM data for TE8802
Available when in special wring mode by self-diagnostic function
Set to Hi-z when in user mode
O O Available, unavailable of EEPROMI2C line for TE8802
Low: I2C line of TE8802 and EEPROM shut down (Hi-Z)
High: I2C line available
O SO I2C to write EEPROM data for TE8802
Available when in special wring mode by self-diagnostic function
Set to Hi-z when in user mode
O Transistor MUTE function control
O DAC input signal DIR Bypass route selection
High=DIR BYPASS, Low=DIR
Low: Adoptive mode
O DAC input signal DSD / PCM selection / High=DSS, Low=PCM
O For detecting AUTO MUTE function of DAC
O SYSTEM data input
O SYSTEM data output
O [MCU] For simple emulation / Rx when writing flash
O [MCU] For simple emulation / Tx when writing flash
O [MCU] For simple emulation / Clock when writing flash
Detail of Function