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: - effective, L: - 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
16
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
20
17
18
19
47
46
45
44
43
42
41
56
55
54
53
60
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
Y
SP-CU430
0/Y
SP-CU330
0/
NS-WSW1
60
DRAFT