CFD-RG880CP
53
• IC Pin Function Description
CD BOARD IC702 LC87F1HC8AU-SQFP-E (USB I/F)
Pin No. Pin Name I/O Description
1 P73/INT3 — Not used. (Open)
2 RES I Reset signal input
3 XT1/AN10 — Not used. (Connected to ground.)
4 XT2/AN11 — Not used. (Open)
5 VSS1 — Ground pin
6 CF1 I Sub clock oscillation input (12MHz)
7 CF2 O Sub clock oscillation output (12MHz)
8 VDD1 — Power supply pin (+3.3 V)
9 P10/SO O CD DSP serial data signal output
10 P11/SI I CD DSP serial data signal input
11 P12/SCK O CD DSP serial transfer clock signal output
12 P13/SO1 — Not used. (Open)
13 P14/SI1/SB1 — Not used. (Open)
14 P15/SCK1 — Not used. (Open)
15 P16/T1PWML/CE O CD DSP chip enable signal output
16 P17/T1PWMH/BUZ — Not used. (Open)
17 PWM1/MCLKI — Not used. (Open)
18 PWM0/MCLKO — Not used. (Open)
19 VDD2 — Power supply pin (+3.3 V)
20 VSS2 — Ground pin
21 P00/AN0 — Not used. (Open)
22 P01/AN1 — Not used. (Open)
23 P02/AN2/DBGP0 I Not used. (Pull down)
24 P03/AN3/DBGP1 I Not used. (Pull down)
25 P04/AN4/DBGP2 I Not used. (Pull down)
26 P05/AN5/CK0/SDAT I Audio serial data signal input
27 P06/AN6/T60 I Audio serial data shift clock signal input
28 P07/AN7/T70 I Audio Lch/Rch data signal signal input
29 P20/INT4/INT6 — Not used. (Open)
30 P21/INT4 — Not used. (Open)
31 P22/INT4/SO4/RD O Stream data signal output
32 P23/INT4/SI4/WR O Audio data request signal output
33 P24/INT5/INT7/SCK4 O Stream data bit clock signal output
34 P25/INT5/SO9/RD9 — Not used. (Open)
35 P26/INT5/SI9/WR9 — Not used. (Open)
36 P27/INT5/SCK9 — Not used. (Open)
37 UHD– I/O USB data input/output
38 UHD+ I/O USB data input/output
39 VDD3 — Power supply pin (+3.3 V)
40 VSS3 — Ground pin
41 P34/UFILT — USB I/F PLL fi lter pin
42 P33/AFILT — Not used. (Open)
43 P32 — Not used. (Open)
44 P31/URX1 I USB I/F command serial data input
45 P30/UTX1 O USB I/F command serial data output
46 P70/INT0/TOLCP/AN8 I Stream data request signal input
47 P71/INT1/TOHCP/AN9 I USB host u-com control signal input
48 P72/INT2/TOIN — Not used. (Open)
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