IC302: BU94607ARKV-E (DIGITAL P.C.B.)
USB host WAV/AAC/WMA/MP3 decoder LSI
Pin
No.
Port Name
Function
Name
I/O Detail of Function
1 RESETX RESETX I System reset terminal
2 TEST15 SCLM O [TEST15] pull-up at 2.2k-ohms to VDD1 system power supply terminal (TEST pin)
3 TEST16 SDAM O [TEST16] pull-up at 2.2k-ohms to VDD1 system power supply terminal (TEST pin)
4 SEL_SLAVE SEL_SLAVE I Slave mode selection (H: Stand alone mode, L: Slave mode)
5 SEL_MP3/INREQI INREQI I [SEL_MP3] MPEG audio layer selection
(H: Only MP3, L: MP1, MP2 and MP3 can be playback), [INREQI] input data valid
6 SEL_DOUT/LRCKI LRCKI I [SEL_DOUT] digital audio out selection (H: Disable, L: Enable)
[LRCKI] digital audio channel clock input terminal
7 SEL_VOL/BCKI BCKI I [SEL_VOL] volume operation selection (H: Volume+- effective, L: Volume+- inavaildity),
[BCKI] digital audio bit clock input terminal
8 SEL_APLAY/SDATAI SDATAI I [SEL_APLAY] at device (USB, DS) connection, auto play mode selection
(H: It stop, L: It playback), [SDATAI] digital audio data input terminal
9 SEL_UTPKT/BFULLO BFULLO I/O [SEL_UTPKT] USB test packet output selection (H: Normal, L: Test packet),
[BFULLO] input buffer FULL flag output terminal
10 DVSS DVSS – GND terminal
11 IRPTO IRPTO O To HOST interruption output terminal
12 SEARCH SEARCH O Search flag terminal
13 DVDDIO DVDDIO – IO power supply (VDD1) terminal
14 KEY_ROW1/MCHNG MCHNG I/O [KEY_ROW1] KEY matrix terminal, [MCHNG] music change flag terminal
15 KEY_ROW2/BUSY BUSY I/O [KEY_ROW2] KEY matrix terminal, [BUSY] busy flag terminal
16 KEY_ROW3/SCL SCL I [KEY_ROW3] KEY matrix terminal, [SCL] I2C slave clock I/F input terminal
17 KEY_ROW4/SDA SDA I/O [KEY_ROW4] KEY matrix terminal, [SDA] I2C slave data I/F terminal
18 KEY_COL1/A0 A0 O/I [KEY_COL1] KEY matrix terminal, [A0] I2C slave address selection
19 KEY_COL2/A1 A1 O/I [KEY_COL2] KEY matrix terminal, [A1] I2C slave address selection
20 KEY_COL3/SEL_I2C TEST O/I [KEY_COL3] KEY matrix terminal,
[SEL_I2C] pull-up to VDD1 system power supply terminal
21 SD_WP SD_WP I SD card Write Protect terminal
22 SD_CON SD_CON I SD card Connect terminal
16123456789101112131415 2017 18 19
47 46 45 44 43 42 4156 55 54 5360 59 58 57 52 51 50
71
70
69
68
67
66
65
23
22
21
36
35
34
33
40
39
38
37
49
24
28
27
26
25
31
30
29
32
48
75
74
73
72
61
76
79
78
77
80
63
62
64
AMUTE
DAVDD
DAVSS
RESETX
TEST15
TEST16
SEL_SLAVE
SEL_MP3/INREQI
SEL_DOUT/LRCKI
SEL_VOL/BCKI
SEL_APLAY/SDATAI
SEL_UTPKT/BFULLO
DVSS
DVDDIO
IRPTO
SEARCH
TEST1
KEY_ROW1/MCHNG
KEY_ROW2/BUSY
KEY_COL1/A0
DVDDIO
SD_CON
SD_PW
TMODE
LED_PUSB/SS_DO
LED_PSD/SS_CLK
LED_PLAY/SS_DI
DVSS
LED_ACCESS/LRCKO
LED_ERROR/SS_CS
XOUT_PLL
XIN_PLL
TEST_PLL1
TEST_PLL2
TESTI1
TESTI2/MCLK
REXTI
AVSSC
SD_CLK
SD_DI
SD_CS
DVSS
FL_CS
TEST5
TEST6
TEST7
TEST/CKL12MO
DVDD_M2
AVDDC
TEST2
TEST3
TEST4
SD_DO
TEST8
TEST9
TEST10
DVSS
VOREFI
VDD_PLL
LED_RANDOM/BCKO
LED_REPEAT/SDATAO
DVDDIO
ATEST1
RDACO
VCDACO
Audio DAC
Audio
Controller
PLL
USB
PHY
FAT
File system
KEY_ROW4/SDA
TEST13
DVDD_M1
DVSS
TEST14
TEST0
DVDDIO
SEL_USB
SD I/F
Controller
KEY_ROW3/SCL
KEY_COL2/A1
KEY_COL3/TEST
USB_DM
USB_DP
VSS_PLL
LDACO
USB
Controller
LDO
IPL
I2C I/F
Controller
SIO I/F
Controller
AAC / WMA / MP3
Decoder
System
Controller
CD-ROM I/F
Sound Effecter
89
YSP-CU4300/YSP-CU3300/NS-WSW160
YSP-CU4300/YSP-CU3300/
NS-WSW160
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