Sony HCD-EC599 Service Manual page 31

• IC Pin Function Description
DB76 BOARD IC901(2/2) IC LC87F1JJ2AU-SQFP-H (USB CONTROL)
Pin No. Pin Name
1 P73
2 RES
3 XT1
4 XT2
5 VSS1
6 CF1
7 CF2
8 VDD1
9 SO0
10 SI0
11 SCK0
12 SO1
13 SI1
14 SCK1
15 P16
16 P17
17 MCLKI
18 MCLKO
19 VDD2
20 VSS2
21, 22 P00, P01
23 to 25 DBGP0 to DBGP2
26 SDAT
27 BCLK
28 LRCK
29, 30 P20, P21
31 P22
32 P23
33 P24
34 to 36 P25 to P27
37 UHD–
38 UHD+
39 VDD3
40 VSS3
41 UFILT
42 AFILT
43 P32
44 URX1
45 UTX1
46 P70
47 P71
48 P72
I/O
O Not used. (Open)
― USB control reset pin
― Not used. (Connect to VDD)
O Not used. (Open)
― Ground
I Oscillation signal input (12 MHz)
O Oscillation signal output (12 MHz)
― Power supply pin (+3.3 V)
O CD digital signal processor serial data communication signal output
I CD digital signal processor serial data communication signal input
I/O CD digital signal processor clock communication signal input/output
O Not used. (Open)
O Not used. (Open)
O Not used. (Open)
I CD digital signal processor enable communication signal input
O Not used. (Open)
O Not used. (Open)
O Not used. (Open)
― Power supply pin (+3.3 V)
― Ground
O Not used. (Open)
O For debagger pin
I USB record MP3 serial data signal input
I USB record MP3 serial data shift clock signal input
I USB record MP3 serial data word clock signal input
O Not used. (Open)
O USB playback serial data signal output
O USB record MP3 serial data request signal output
O USB playback serial data communication clock signal output
O Not used. (Open)
I/O USB D– serial data input/output
I/O USB D+ serial data input/output
― Power supply pin (+3.3 V)
― Ground
I USB interface PLL fi lter circuit connection pin (Fixed at L in this set)
O Not used. (Open)
O Not used. (Open)
I System controller input communication signal input
O System controller output communication signal output
I USB playback serial data request signal input
I USB controller command processing cancel signal input
O Not used. (Open)
Description
HCD-EC599
31