AVIC-X940BT/XNUC
71
5
6
7
8
5
6
7
8
C
D
F
A
B
E
USB memory
USB memory
D+/D- communication waveform
D+/D- communication waveform
It checks with an oscilloscope.
It checks with an oscilloscope.
Reference voltage : DGND
1 ms/div 2 V/div
Reference voltage : DGND
200 ns/div 2 V/div
Waveform 7
Waveform 8
IPOD
IPOD
D+/D- communication waveform
D+/D- communication waveform
It checks with an oscilloscope.
It checks with an oscilloscope.
Reference voltage : DGND
1 ms/div 2 V/div
Reference voltage : DGND
200 ns/div 2 V/div
Waveform 9
Waveform 10
IPOD
IPOD
IPOD
CP_RESET signal
SDA signal
SCL signal
A relation with NRES, At the time of RESET release
(It checks with an oscilloscope. )
It checks by LECORY.
It checks by LECORY.
Reference voltage : DGND
20 ms/div 1 V/div
Reference voltage : DGND
2 ms/div 1 V/div
Reference voltage : DGND
500 μs/div 1 V/div
Waveform 11
Waveform 12
Waveform 13
DGND
D-
D+
DGND
D+
DGND
DGND
D-
D+
DGND
DGND
D-
DGND
DGND
D-
D+
CP_RESET
DGND
NRES
DGND
DGND
SDA
SCL
DGND
USB, IPOD
Содержание AVIC-X940BT
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Страница 154: ...AVIC X940BT XNUC 154 1 2 3 4 1 2 3 4 C D F A B E 9 3 EXTERIOR 2 B D D G E J C C B E F G F A A H I B F G E J 1 2 H I ...
Страница 160: ...AVIC X940BT XNUC 160 1 2 3 4 1 2 3 4 C D F A B E 9 6 DVD MECHANISM MODULE 2 A GEM1045 B GEM1038 C GEM1024 C C C B A ...
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