HCD-EC59
16
• IC Pin Function Description
USB BOARD IC901 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 Not used
4 XT2 O 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 SO0 O Serial data output to the CD-MP3 processor
10 SI0 I Serial data input from the CD-MP3 processor
11 SCK0 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 P16 I Chip enable signal input from 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 SDAT I Serial 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 I/O Not used
31 P22 O Audio serial data output to the CD-MP3 processor
32 P23 O Request signal output to the CD-MP3 processor
33 P24 O Audio serial data transfer clock signal output to the CD-MP3 processor
34 to 36 P25 to P27 I/O Not used
37 UHD- I/O USB D- serial data input/output terminal
38 UHD+ I/O USB D+ serial data input/output terminal
39 VDD3 - Power supply terminal (+3.3V)
40 VSS3 - Ground terminal
41 UFILT - PLL fi lter circuit connection terminal for USB interface Not used
42 AFILT - PLL fi lter circuit connection terminal for audio interface Not used
43 P32 I/O Not used
44 URX1 I USB RX signal input from the system controller
45 UTX1 O USB TX signal output to the system controller
46 P70 I Request signal input from the CD-MP3 processor
47 P71 I Sleep control siganl input from the system controller
48 P72 I/O Not used
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