Yamaha YSP-4300 Service Manual page 89

IC302: BU94607ARKV-E (DIGITAL P.C.B.)
USB host WAV/AAC/WMA/MP3 decoder LSI
61
LED_ERROR/SS_CS
62
LED_PLAY/SS_DI
63
LED_PSD/SS_CLK
64
LED_PUSB/SS_DO
65
LED_ACCESS/LRCKO
LED_RANDOM/BCKO 66
67
LED_REPEAT/SDATAO
68
DVDDIO
69
TEST13
70
TEST14
71
SEL_USB
72
TEST4
73
TEST3
74
TEST2
75
TEST1
76
TMODE
DVSS 77
78
DVDD_M1
79
DVDDIO
80
TEST0
Pin
Port Name
No.
1 RESETX RESETX
2 TEST15 SCLM
3 TEST16 SDAM
4 SEL_SLAVE SEL_SLAVE
5 SEL_MP3/INREQI INREQI
6 SEL_DOUT/LRCKI LRCKI
7 SEL_VOL/BCKI BCKI
8 SEL_APLAY/SDATAI SDATAI
9 SEL_UTPKT/BFULLO BFULLO
10 DVSS DVSS
11 IRPTO IRPTO
12 SEARCH SEARCH
13 DVDDIO DVDDIO
14 KEY_ROW1/MCHNG MCHNG
15 KEY_ROW2/BUSY BUSY
16 KEY_ROW3/SCL SCL
17 KEY_ROW4/SDA SDA
18 KEY_COL1/A0 A0
19 KEY_COL2/A1 A1
20 KEY_COL3/SEL_I2C TEST
21 SD_WP SD_WP
22 SD_CON SD_CON
60 59 58 57 56 55 54 53 52
Audio DAC
Sound Effecter
AAC / WMA / MP3
Decoder
SIO I/F
Controller
CD-ROM I/F
LDO
1 2 3 4 5 6 7 8 9
Function
I/O
Name
I System reset terminal
O [TEST15] pull-up at 2.2k-ohms to VDD1 system power supply terminal (TEST pin)
O [TEST16] pull-up at 2.2k-ohms to VDD1 system power supply terminal (TEST pin)
I Slave mode selection (H: Stand alone mode, L: Slave mode)
I [SEL_MP3] MPEG audio layer selection
(H: Only MP3, L: MP1, MP2 and MP3 can be playback), [INREQI] input data valid
I [SEL_DOUT] digital audio out selection (H: Disable, L: Enable)
I [SEL_VOL] volume operation selection (H: Volume+- effective, L: Volume+- inavaildity),
I [SEL_APLAY] at device (USB, DS) connection, auto play mode selection
I/O [SEL_UTPKT] USB test packet output selection (H: Normal, L: Test packet),
– GND terminal
O To HOST interruption output terminal
O Search flag terminal
– IO power supply (VDD1) terminal
I/O [KEY_ROW1] KEY matrix terminal, [MCHNG] music change flag terminal
I/O [KEY_ROW2] KEY matrix terminal, [BUSY] busy flag terminal
I [KEY_ROW3] KEY matrix terminal, [SCL] I2C slave clock I/F input terminal
I/O [KEY_ROW4] KEY matrix terminal, [SDA] I2C slave data I/F terminal
O/I [KEY_COL1] KEY matrix terminal, [A0] I2C slave address selection
O/I [KEY_COL2] KEY matrix terminal, [A1] I2C slave address selection
O/I [KEY_COL3] KEY matrix terminal,
I SD card Write Protect terminal
I SD card Connect terminal
YSP-CU4300/YSP-CU3300/NS-WSW160
51 50 49 48 47 46 45 44 43 42
USB
PLL
PHY
Audio
USB
Controller
Controller
IPL
FAT
File system
SD I/F
Controller
System I2C I/F
Controller Controller
10 11 12 13 14 15 16 17 18 19
Detail of Function
[LRCKI] digital audio channel clock input terminal
[BCKI] digital audio bit clock input terminal
(H: It stop, L: It playback), [SDATAI] digital audio data input terminal
[BFULLO] input buffer FULL flag output terminal
[SEL_I2C] pull-up to VDD1 system power supply terminal
41
40
AVDDC
39
ATEST1
38
DVDD_M2
37
DVSS
36
TEST10
35
TEST9
34
TEST8
33 DVDDIO
32 TEST7
31 TEST6
30 TEST5
29 TEST/CKL12MO
28 FL_CS
27 DVSS
26 SD_CS
25
SD_DI
24
SD_CLK
23
SD_DO
22
SD_CON
21 SD_PW
20
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