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
To Next Page
Loading...
