BU94603KV Functional Specifications
8/57
Confidential
Target Spec 0.12
II.2 Terminal specifications
Table II.2 Terminal specifications
STAND ALONE MODE(MODE1)
SLAVE MODE(MODE2,MODE3)
Pin
No.
Signal Name
I/O
Cir
I/O
Pull-Up/
Down
Function
Signal Name I/O
Pull-Up/
Down
Function
1
RESETX
A
I
-
H: Release RESET,
L: RESET
←
2
SEL_SLAVE
B
I PU(*1) H: STAND ALONE, L:SLAVE
←
3
SEL_MP3
B
I PU(*1)
H: PLAY MP3 ONLY,
L: PLAY MP1,MP2 and MP3
←
4
SEL_DOUT
B
I PU(*1)
H: ANALOG DAC Output,
L: Digital Output
←
5
SEL_VOL
B
I PU(*1)
H: Volume control valid,
L: Volume control invalid
←
6
SEL_APLAY
B
I PU(*1)
H: Auto Play OFF ,
L: Auto Play
←
7
SEL_UTPKT
B
I PU(*1)
H: Normal Operation
L: USB Test Packet Output
←
8
TEST1
-
I
-
Pull-up to 3.3V system power
supply (for TEST)
←
9
TEST2
-
I
-
Pull-up to 3.3V system power
supply (for TEST)
←
10
KEY_ROW1
B
I
PU
KEY Input ROW1
MCHNG
O
-
Music change Output
11
KEY_ROW2
B I
PU
KEY Input ROW2
BUSY
O
-
Command
Operation Busy Flag
12
KEY_ROW3
B I
PU
KEY Input ROW3
SCL
I
-
I2C I/F Clock Input
13
KEY_ROW4
B
I
PU
KEY Input ROW4
SDA
I/O
-
I2C I/F Data
Input/Output
14
KEY_COL1
B
O
-
KEY Input COLUMN1
A0
I PU(*1)
I2C I/F Slave
Address Set0
15
KEY_COL2
B
O
-
KEY Input COLUMN2
A1
I PU(*1)
I2C I/F Slave
Address Set1
16
KEY_COL3
B
O
-
KEY Input COLUMN3
SEL_SMAN
I PU(*1) H: MODE2, L: MODE3
17
TEST3
B
I
-
Pull-up to 3.3V system power
supply (for TEST)
←
18
DVDDIO
-
-
-
Connect to 3.3V
System Power Supply
←
19
SD_CON
B
I
PU
SD I/F
←
20
SD_DO
B
I
-
SD I/F
←
21
SD_CLK
B
O
-
SD I/F
←
22
SD_DI
B
O
-
SD I/F
←
23
SD_CS
B
O
-
SD I/F
←
24
DVSS
-
-
-
Connect to GND
←
25
TEST4
-
I
PU
Pull-up to 3.3V system power
supply (for TEST)
←
26
TEST5/
CLKOUT12M
-
I
PU
Pull-up to 3.3V system power
supply (for TEST)
CLKOUT12(*2) O
-
12MHz CLK Output.
27
DVDD_M2
-
-
-
Connect to 57PIN
←
28
TEST6
-
I
-
Pull-up to 3.3V system power
supply (for TEST)
←
29
TEST7
-
I
-
Pull-up to 3.3V system power
supply (for TEST)
←
30
TEST8
-
I
-
Pull-up to 3.3V system power
supply (for TEST)
←
31
ATEST1
-
O
-
OPEN (for TEST)
←
32
AVDDC
-
-
-
Connect to 3.3V
System Power Supply
←
33
USB_DM
C
I/O
-
USB DATA-
←
34
USB_DP
C I/O
-
USB DATA+
←
35
AVSSC
-
-
-
Connect to GND
←
36
REXTI
D
O
-
Connect Bias Resistor
to GND
←
37
VOREFI
-
O
-
OPEN (for TEST)
←
38
VDD_PLL
-
-
-
Connect to 3.3V
System Power Supply
←