bu94702kv ROHM Co. Ltd., bu94702kv Datasheet - Page 4

• Manufacturer Part Number: bu94702kv
• Description: Usb Host + Mp3 Encoder + Wav/aac/wma/mp3 Decoder Lsi
• Manufacturer: ROHM Co. Ltd.

◇External dimensions・Block diagram
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
Figure 1. External dimention
LED_REPEAT/SDATAO
LED_ACCESS/LRCKO
LED_ERROR/ SS_CS
LED_RANDOM/BCKO
80
61
LED_PUSB/SS_DO
LED_PSD/SS_CLK
1.25
LED_PLAY/SS_DI
TEST12/MCLK
DVDD_M1
SEL_USB
DVDDIO
DVDDIO
TEST13
TEST14
TMODE
TEST4
TEST3
TEST2
TEST1
TEST0
DVSS
60
1
BU94702KV
0.5±0.1
12.0±0.1
14.0±0.2
1 PIN mark
0.2
O/I
O/I
O/I
－
－
－
－
O
O
O
O
O
O
O
+0.05
-0.04
I
I
I
I
I
I
I
Lot No.
41
20
[TEST12] OPEN (TEST PIN), [MCLK] Digital Audio master clock (16.9344MHz) output terminal
[LED]Lighting output terminal at ERROR, [SS_CS] Slave SIO Chip select In terminal
[LED]Lighting output terminal at PLAY, [SS_DI] Slave SIO Data In terminal
[LED]Lighting output terminal at PLAY for SD card, [SS_CLK] Slave SIO Clock In terminal
[LED]Lighting output terminal at PLAY for USB memory, [SS_DO] Slave SIO Data Out terminal
[LED]Lighting output terminal when memory is being accessed,[LRCKO]Digital Audio channel clock or SPDIF output terminal
[LED]Lighting output terminal at PLAY for RANDOM, [BCKO]Digital Audio bit clock output terminal
[LED]Lighting output terminal at PLAY for REPEAT, [SDATAO]Digital Audio data output terminal
IO Power supply(VDD1) terminal
OPEN (TEST PIN)
OPEN (TEST PIN)
At device(USB,SD) connection, 1st device detection selection(H:USB, L:SD)
Pull-up to VDD1 system power supply terminal(TEST PIN)
Pull-up to VDD1 system power supply terminal(TEST PIN, L: IPL WRITE MODE1)
Pull-up to VDD1 system power supply terminal(TEST PIN, L: IPL WRITE MODE2)
Pull-up to VDD1 system power supply terminal(TEST PIN)
Connect to GND(TEST PIN)
GND terminal
CORE Power supply(VDD2) monitor terminal, Connect to bypass condenser
IO Power supply(VDD1) terminal
Connect to GND(TEST PIN)
0.08
21
0.08
40
M
S
4゜
0.145
+6゜
-4゜
Unit : mm
PKG: VQFP80
Drawing No. EX253-5001-2
+0.05
-0.03
S
REV. A
Figure 2. Block diagram
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