Pioneer CB-A802, Руководство по обслуживанию

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DVD-V8000
152
1 2 3 4
1 2 3 4
C
D
F
A
B
E
• USB Driver IC
Pin Function
UHC124BF (DVDM ASSY: IC1201)
No. Pin Name I/O Pin Functions
1 VDD
−
3.3 V power supply
2 A0 I Address bus
3 A1 I Address bus
4 A2 I Address bus
5 A3 I Address bus
6 A4 I Address bus
7 A5 I Address bus
8 A6 I Address bus
9 A7 I Address bus
10 A8 I Address bus
11 A9 I Address bus
12 A10 I Address bus
13 A11 I Address bus
14 MODE I Memory access mode
15 XCS I Chip select
16 VSS
−
Ground
17 OSC1 I Oscillator input
18 OSC2 O Oscillator output
19 LPF I PLL filter
20 VDD
−
3.3 V power supply
21 TEST0 I/O Not used
22 TEST1 I/O Not used
23 TEST2 I/O Not used
24 TEST3 I/O Not used
25 X0VC11 I Over current indicator
26 X0VC12 I Over current indicator
27 X0VC13 I Over current indicator
28 X0VC14 I Over current indicator
29 XPWR1 O Power on switch
30 XPWR2 O Power on switch
31 XPWR3 O Power on switch
32 XPWR4 O Power on switch
33 VDD
−
3.3 V power supply
34 DP1 I/O Port data for USB I/O
35 DM1 I/O Port data for USB I/O
36 VSS
−
Ground
37 DP2 I/O Port data for USB I/O
38 DM2 I/O Port data for USB I/O
39 DP3 I/O Port data for USB I/O
40 DM3 I/O Port data for USB I/O
41 DP4 I/O Port data for USB I/O
42 DM4 I/O Port data for USB I/O
43 TEST4 I/O Not used
44 D0 I/O Data bus
45 D1 I/O Data bus