HCD-FX200/FX205
29
• IC Pin Function Description
USB BOARD IC101 LC87F1JJ2AU-SQFP-H (USB CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
P73
I/O
Not used
2
/RES
I
Reset signal input from the system controller “L”: reset
3
XT1
I
Sub system clock input terminal (32.768 kHz) Not used
4
XT2
O
Sub system clock output terminal (32.768 kHz) Not used
5
VSS1
-
Ground terminal
6
CF1
I
Main system clock input terminal (12 MHz)
7
CF2
O
Main system clock output terminal (12 MHz)
8
VDD1
-
Power supply terminal (+3.3V)
9
DO
O
Serial data output to the CD-MP3 processor
10
DI
I
Serial data input from the CD-MP3 processor
11
CL
O
Serial data transfer clock signal output to the CD-MP3 processor
12
SO1
O
Serial data output terminal Not used
13
SI1
I
Serial data input terminal Not used
14
SCK1
O
Serial data transfer clock signal output terminal Not used
15
CE
O
Chip enable signal output to the CD-MP3 processor
16
P17
I/O
Not used
17
MCLKI
I
Master clock signal input terminal Not used
18
MCLKO
O
Master clock signal output terminal Not used
19
VDD2
-
Power supply terminal (+3.3V)
20
VSS2
-
Ground terminal
21, 22
P00, P01
I/O
Not used
23 to 25
DBGP0 to DBGP2
-
Debug terminal
26
PCMDATA
I/O
Serial data input/output terminal Not used
27
PCMBCK
I/O
Bit clock signal input/output terminal Not used
28
PCMLRSY
I/O
L/R sampling clock signal input/output terminal Not used
29, 30
P20, P21
I/O
Not used
31
STDATA
O
Audio serial data output to the CD-MP3 processor
32
PCMREQ
I/O
Request signal input/output terminal Not used
33
STCK
O
Audio serial data transfer clock signal output to the CD-MP3 processor
34 to 36
P25 to P27
I/O
Not used
37
D–
I
USB data (–) bus input terminal
38
D+
I
USB data (+) bus input terminal
39
VDD3
-
Power supply terminal (+3.3V)
40
VSS3
-
Ground terminal
41
UFILT
-
PLL
fi
lter circuit connection terminal for USB interface
42
AFILT
-
PLL
fi
lter circuit connection terminal for audio interface Not used
43
P32
I/O
Not used
44
RXD
I
Serial data input from the system controller
45
TXD
O
Serial data output to the system controller
46
STREQ
I
Request signal input from the CD-MP3 processor
47
USB_SLP
I
Sleep siganl input from the system controller
48
P72
I/O
Not used
