HCD-G1BiP/G1iP
55
MAIN BOARD IC601 BU94604KV-E2 (USB DRIVER)
Pin No.
Pin Name
I/O
Description
1
RESETX
I
Reset signal input from the system controller “L”: reset
2
SEL_SLAVE
I
Mode setting terminal “L”: slave, “H”: stand alone Fixed at “L” in this unit
3
SEL_MP3
I
Mode setting terminal “L”: MP1, MP2 and MP3 play, “H”: MP3 play only
Fixed at “L” in this unit
4
SEL_DOUT
I
Mode setting terminal “L”: digital output, “H”: analog D/A converter output
Fixed at “L” in this unit
5
SEL_VOL
I
Mode setting terminal “L”: volume control invalid, “H”: volume control valid
Fixed at “L” in this unit
6
SEL_APLAY
I
Mode setting terminal “L”: auto play on, “H”: auto play off Fixed at “H” in this unit
7
SEL_UTPKT
I
Mode setting terminal “L”: USB test packet output, “H”: normal operation
Fixed at “H” in this unit
8
IRPTO
O
Interrupt signal output to the system controller
9
TEST2
-
Test terminal
10
MCHNG
O
Music change signal output to the system controller
11
BUSY
O
Busy signal output to the system controller
12
IIC SCL
I
Serial data transfer clock signal input from the system controller
13
IIC SDA
I
Serial data input from the system controller
14, 15
A0, A1
I
Slave address selection terminal Fixed at “L” in this unit
16
SEL_SMAN
I
Mode setting terminal “L”: mode3, “H”: mode2 Fixed at “H” in this unit
17
TEST3
-
Test terminal
18
DVDDIO
-
Power supply terminal (+3.3V)
19
SD_CON
I
SD card connection detection signal input terminal Not used
20
SD_DO
I
Serial data input terminal Not used
21
SD_CLK
O
Serial data transfer clock signal output terminal Not used
22
SD_DI
O
Serial data output terminal Not used
23
SD_CS
O
Chip select signal output terminal Not used
24
DVSS
-
Ground terminal
25, 26
TEST5, TEST6
-
Test terminal
27
DVDD_M2
-
Bias capacitor connection terminal
28 to 30
TEST6 to TEST8
-
Test terminal
31
ATEST1
-
Test terminal
32
AVDDC
-
Power supply terminal (+3.3V)
33
USB_DM
I
Audio data (negative) input from the USB connector
34
USB_DP
I
Audio data (positive) input from the USB connector
35
AVSSC
-
Ground terminal
36
REXTI
I
Bias resistor connection terminal
37
VOREFI
-
Test terminal
38
VDD_PLL
-
Power supply terminal (+3.3V)
39
TEST_PLL
I
Terminal for test
40
XIN_PLL
I
System clock input terminal (16.9344 MHz)
41
XOUT_PLL
O
System clock output terminal (16.9344 MHz)
42
VSS_PLL
-
Ground terminal
43
DAVSS
-
Ground terminal
44
RDACO
O
Audio data (Rch) output terminal Not used
45
VCDACO
O
Reference voltage (+1.65V) output terminal
46
LDACO
O
Audio data (Lch) output terminal Not used
47
DAVDD
-
Power supply terminal (+3.3V)
48
AMUTE
O
Audio muting control signal output terminal Not used
49 to 52
TEST9 to TEST12
-
Test terminal
53
LRCK
O
L/R sampling clock signal output to the DSP
54
BCK
O
Bit clock signal output to the DSP
55
DATA
O
Audio data output to the DSP
56
TEST13
I
Test terminal
57
DVDD_M1
-
Bias capacitor connection terminal
58 to 61
TEST14 to TEST17
I
Test terminal
62
DVSS
-
Ground terminal
63
TMODE
I
Not used
64
DVDDIO
-
Power supply terminal (+3.3V)
