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BU94705KV Datasheet(PDF) 3 Page - Rohm

No. de pieza BU94705KV
Descripción Electrónicos  Silicon Monolithic integrated circuit
Download  6 Pages
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Fabricante Electrónico  ROHM [Rohm]
Página de inicio  http://www.rohm.com
Logo ROHM - Rohm

BU94705KV Datasheet(HTML) 3 Page - Rohm

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REV. A
◇Description of Terminals
No.
Name
I/O
Description of terminals
1
RESETX
I
System reset terminal
2
TEST15
O
[TEST15]Pull-up at 2.2k ohm to VDD1 system power supply terminal(TEST PIN)
3
TEST16
O
[TEST16]Pull-up at 2.2k ohm to VDD1 system power supply terminal(TEST PIN)
4
SEL_SLAVE
I
Slave mode selection(H:Stand Alone mode, L:Slave mode)
5
SEL_MP3/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
I
[SEL_DOUT]Digital Audio out selection(H:Disable、L:Enable), [LRCKI]Digital Audio channel clock input terminal
7
SEL_VOL/BCKI
I
[SEL_VOL] Volume operation selection(H:Volume+- Effective, L:VOL+-Inavalidity), [BCKI]Digital Audio bit clock input terminal
8
SEL_APLAY/SDATAI
I
[SEL_APLAY] At device(USB,SD) connection, Auto Play mode selection(H:It stop, L:It playback),
[SDATAI]Digital Audio data input terminal
9
SEL_UTPKT/BFULLO
I/O
[SEL_UTPKT] USB test packet output selection(H:Normal、L:Test packet),[BFULLO]Input buffer FULL flag output terminal
10
DVSS
GND terminal
11
IRPTO
O
To HOST interruption output terminal
12
SEARCH
O
Search flag terminal
13
DVDDIO
IO Power supply(VDD1) terminal
14
KEY_ROW1/MCHNG
I/O
[KEY_ROW1]KEY Matrix terminal, [MCHNG]Music change flag terminal
15
KEY_ROW2/BUSY
I/O
[KEY_ROW2]KEY Matrix terminal, [BUSY]Busy flag terminal
16
KEY_ROW3/SCL
I
[KEY_ROW3]KEY Matrix terminal, [SCL]I
2C slave clock I/F input terminal
17
KEY_ROW4/SDA
I/O
[KEY_ROW4]KEY Matrix terminal, [SDA]I
2C slave data I/F terminal
18
KEY_COL1/A0
O/I
[KEY_COL1]KEY Matrix terminal, [A0]I
2C slave address selection
19
KEY_COL2/A1
O/I
[KEY_COL2]KEY Matrix terminal, [A1]I
2C slave address selection
20
KEY_COL3/SEL_I2C
O/I
[KEY_COL3]KEY Matrix terminal, [SEL_I2C]Pull-up to VDD1 system power supply terminal
21
SD_WP
I
SD card Write Protect terminal
22
SD_CON
I
SD card Connect terminal
23
SD_DO
I
SD card Data In terminal
24
SD_CLK
O
SD card Clock terminal
25
SD_DI
O
SD card Data Out terminal
26
SD_CS
O
SD card Chip select terminal
27
DVSS
GND terminal
28
FL_CS
O
Serial FLASH ROM Chip select terminal
29
TEST/CLK12MO
I/O
[TEST] Pull-up to VDD1 system power supply terminal(TEST PIN), [CLK12MO]12MHz clock output terminal
30
TEST5
O
[TEST5]OPEN (TEST PIN)
31
TEST6
I
[TEST6]Pull-up to VDD1 system power supply terminal(TEST PIN)
32
TEST7
I
[TEST7]Pull-up to VDD1 system power supply terminal(TEST PIN)
33
DVDDIO
IO Power supply(VDD1) terminal
34
TEST8
I
[TEST8]Pull-up to VDD1 system power supply terminal(TEST PIN)
35
TEST9
I
[TEST9]Pull-up to VDD1 system power supply terminal(TEST PIN)
36
TEST10
O
OPEN (TEST PIN, IPL ERROR Flag output)
37
DVSS
GND terminal
38
DVDD_M2
CORE Power supply(VDD2) monitor terminal. Connect to DVDD_M1 pin.
39
ATEST1
O
USB TEST terminal(TEST PIN), OPEN
40
AVDDC
USB Power supply(VDD1)terminal
41
USB_DM
I/O
USB D-I/O terminal
42
USB_DP
I/O
USB D+ I/Oterminal
43
AVSSC
USB GND terminal
44
REXTI
O
USB bias resistor(12kΩ) connecting terminal
45
VOREFI
O
USB TEST terminal(TEST PIN), OPEN
46
VSS_PLL
PLL GND terminal
47
TEST_PLL1
I
PLL TEST terminal(TEST PIN), OPEN
48
XIN_PLL
I
X'tal(16.9344MHz) connecting input terminal
49
XOUT_PLL
O
X'tal(16.9344MHz) connecting output terminal
50
TEST_PLL2
O
PLL TEST terminal(TEST PIN), Pull-up to VDD1 system power supply terminal
51
VDD_PLL
PLL Power supply(VDD1) terminal
52
DAVSS
Audio DAC GND terminal
53
RDACO
O
Audio DAC Rch Line output terminal
54
VCDACO
O
Audio DAC Reference voltage output teminal
55
LDACO
O
Audio DAC Lch Line output terminal
56
DAVDD
Audio DAC Power supply(VDD1) terminal
57
DVSS
GND terminal
58
AMUTE
O
Audio Mute output terminal(H:MUTE OFF, L:MUTE ON)
59
TEST11
O
OPEN (TEST PIN)


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