Yamaha YSP-4300 Service Manual page 90

YSP-CU4300/YSP-CU3300/NS-WSW160
Pin
Port Name
No.
23 SD_DO
24 SD_CLK
25 SD_DI
26 SD_CS
27 DVSS
28 FL_CS
29 TEST/CLK12MO
30 TEST5
31 TEST6
32 TEST7
33 DVDDIO
34 TEST8
35 TEST9
36 TEST10
37 DVSS
38 DVDD_M2
39 ATEST1
40 AVDDC
41 USB_DM
42 USB_DP
43 AVSSC
44 REXTI
45 VOREFI
46 VSS_PLL
47 TEST_PLL1
48 XIN_PLL
49 XOUT_PLL
50 TEST_PLL2
51 VDD_PLL
52 DAVSS
53 RDACO
54 VCDACO
55 LDACO
56 DAVDD
57 DVSS
58 AMUTE
59 TEST11
60 TEST12/MCLK
61 LED_ERROR/SS_CS
62 LED_PLAY/SS_DI
63 LED_PSD/SS_CLK
64 LED_PUSB/SS_DO
65 LED_ACCESS/LRCKO
66 LED_RANDOM/BCKO
67 LED_REPEAT/SDATAO SDATAO
68 DVDDIO
69 TEST13
70 TEST14
71 SEL_USB
72 TEST4
73 TEST3
74 TEST2
75 TEST1
76 TMODE
77 DVSS
78 DVDD_M1
79 DVDDIO
80 TEST0
90
Function
I/O
Name
SD_DO I SD card Data In terminal
SD_CLK O SD card Clock terminal
SD_DI O SD card Data Out terminal
SD_CS O SD card Chip Select terminal
VDSS – GND terminal
FL_CS O Serial FLASH ROM chip select terminal
TEST I/O [TEST] pull-up to VDD1 system power supply terminal (TEST pin),
TEST5 O [TEST5] OPEN (TEST pin)
TEST6 I [TEST6] pull-up to VDD1 system power supply terminal (TEST pin)
TEST7 I [TEST7] pull-up to VDD1 system power supply terminal (TEST pin)
DVDDIO – IO power supply (VDD1) terminal
TEST8 I [TEST8] pull-up to VDD1 system power supply terminal (TEST pin)
TEST9 I [TEST9] pull-up to VDD1 system power supply terminal (TEST pin)
TEST10 O OPEN (TEST pin, IPL ERROR flag output)
DVSS – GND terminal
DVDD – CORE power supply (VDD2) monitor terminal, connect to DVDD_M1 pin
ATEST1 O USB TEST terminal (TEST pin), OPEN
ADVDD – USB power supply (VDD1) terminal
USB_DM I/O USB D-I/O terminal
USB_DP I/O USB D+I/O terminal
AVSSC – USB GND terminal
REXTI O USB bias resistor (12k-ohms) connecting terminal
VOREFI O USB TEST terminal (TEST pin), OPEN
VSS_PLL – PLL GND terminal
TEST_PLL1 I PLL TEST terminal (TEST pin), OPEN
XIN_PLL I X'tal (16.9344MHz) connecting input terminal
XOUT_PLL O X'tal (16.9344MHz) connecting output terminal
TEST_PLL2 O PLL TEST terminal (TEST pin), pull-up to VDD1 system power supply terminal
VDD_PLL – PLL power supply (VDD1) terminal
DA_VSS – Audio DAC GND terminal
RDACO O Audio DAC Rch line output terminal
VCDACO O Audio DAC reference voltage output terminal
LDACO O Audio DAC Lch line output terminal
DAVDD – Audio DAC power supply (VDD1) terminal
DVSS – GND terminal
AMUTE O Audio Mute output terminal (H: MUTE OFF, L: MUTE ON)
TEST11 O OPEN (TEST pin)
TEST12 O [TEST12] OPEN (TEST pin),
SS_CS O/I [LED] lighting output terminal at ERROR, [SS_CS] slave SIO chip select in terminal
SS_DI O/I [LED] lighting output terminal at PLAY, [SS_DI] slave SIO data in terminal
SS_CLK O/I [LED] lighting output terminal at PLAY for SD card, [SS_CLK] slave SIO clock in terminal
SS_DO O [LED] lighting output terminal at PLAY for USB memory,
LRCKO O [LED] lighting output terminal when memory is being accessed,
BCKO O [LED] lighting output terminal at PLAY for RANDOM,
O [LED] lighting output terminal at PLAY for REPEAT,
DVDDIO – IO power supply (VDD1) terminal
TEST13 O OPEN (TEST pin)
TEST14 O OPEN (TEST pin)
SEL_USB I At device (USB, SD) connection, 1st device detection selection (H: USB, L: SD)
TEST4 I Pull-up to VDD1 system power supply terminal (TEST pin)
TEST3 I Pull-up to VDD1 system power supply terminal (TEST pin, L: IPL write mode 1)
TEST2 I Pull-up to VDD1 system power supply terminal (TEST pin, L: IPL write mode 2)
TEST1 I Pull-up to VDD1 system power supply terminal (TEST pin)
TMODE I Connect to GND (TEST pin)
DVSS – GND terminal
DVDD – CORE power supply (VDD2) monitor terminal, connect to bypass condenser
DVDDIO – IO power supply (VDD1) terminal
TEST0 I Connect to GND (TEST pin)
Detail of Function
[CLK12MO] 12MHz clock output terminal
[MCLK] digital audio master clock (16.9344MHz) output terminal
[SS_DO] slave SIO data out terminal
[LRCKO] digital audio channel clock or SPDIF output terminal
[BCKO] digital audio bit clock output terminal
[SDATAO] digital audio data output terminal