ZS-RS70BT/RS70BTB
54
• IC Pin Function Description
CD BOARD IC702 LC87F1JJ2AU-SQFP-H (USB CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
P73
-
Not used
2
RES
I
Reset signal input from the system controller “L”: reset
3
XT1
I
Sub system clock input terminal Fixed at “H” in this unit
4
XT2
O
Sub system clock output terminal 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
SO
O
Serial data output to the CD-MP3 processor
10
SI
I
Serial data input from the CD-MP3 processor
11
SCK
I/O
Serial data transfer clock signal input from the system controller
Serial data transfer clock signal output to the CD-MP3 processor
12 to 14
P13 to P15
-
Not used
15
CE
I
Chip enable signal input from the system controller
16
P17
-
Not used
17
PWM1/MCLKI
I
Not used
18
PWM0/MCLKO
O
Not used
19
VDD2
-
Power supply terminal (+3.3V)
20
VSS2
-
Ground terminal
21, 22
P00, P01
-
Not used
23 to 25
DBGP0 to DBGP2
I/O
Debug terminal
26
SDAT
I
Audio data input from the CD-MP3 processor
27
BCLK
I
Bit clock signal input from the CD-MP3 processor
28
LRCK
I
L/R sampling clock signal input from the CD-MP3 processor
29, 30
P20, P21
-
Not used
31
STDATAO
O
Stream data output to the CD-MP3 processor
32
PCMREQ
O
Audio data request signal output to the CD-MP3 processor
33
STCKO
O
Stream data transfer clock signal output to the CD-MP3 processor
34 to 36
P25 to P27
-
Not used
37
UHD–
I/O
Two-way USB data (–) bus with the USB connector
38
UHD+
I/O
Two-way USB data (+) bus with the USB connector
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
-
Not used
44
URX1
I
Serial data input from the system controller
45
UTX1
O
Serial data output to the system controller
46
STREQ0
I
Stream data request signal input from the CD-MP3 processor
47
USB-SLEEP
I
Sleep signal input from the system controller
48
P72
-
Not used
Содержание ZS-RS70BT
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