Pioneer DVD-R7783, Руководство по обслуживанию, Страница: 75 / 96

DVD-R7783
75
5 6 7 8
5 6
7
8
C
D
F
A
B
E
No. Pin Name I/O Pin Function
39
HDD11
I/O Host interface data bus (include pull-up resistance)
HDD12
40
HDD4
I/O Host interface data bus (include pull-up resistance)
HDD2
41
HDD10
I/O Host interface data bus (include pull-up resistance)
HDD13
42
HDD5
I/O Host interface data bus (include pull-up resistance)
HDD1
43 DVDD3
−
Digital 3.3V positive power supply pin (for pin 8 - pin 54)
44 DGND
−
Digital ground pin (for pin 8 - pin 54)
45 DVDD
−
Digital 1.5V positive power supply pin (for internal logic)
46 DGND
−
Digital ground pin (for internal logic)
47
HDD9
I/O Host interface data bus (include pull-up resistance)
HDD14
48
HDD6
I/O Host interface data bus (include pull-up resistance)
HDD0
49
HDD8
I/O Host interface data bus (include pull-up resistance)
HDD15
50 HDD7 I/O Host interface data bus
51 HRESET I Host reset input
52 FG I FG signal input
53 SLED I Sled position sensor input
54 HDDREV I Host interface data bus select pin (H : normal, L : reverse)
55 MD15 I/O Buffer memory interface data bus
56 MD0 I/O Buffer memory interface data bus
57 MD14 I/O Buffer memory interface data bus
58 MD1 I/O Buffer memory interface data bus
59 MD13 I/O Buffer memory interface data bus
60 MD2 I/O Buffer memory interface data bus
61 MD12 I/O Buffer memory interface data bus
62 MD3 I/O Buffer memory interface data bus
63 MD11 I/O Buffer memory interface data bus
64 MD4 I/O Buffer memory interface data bus
65 MD10 I/O Buffer memory interface data bus
66 DVDD3
−
Digital 3.3V positive power supply pin (for pin 55 - pin 107)
67 DGND
−
Digital ground pin (for pin 55 - pin 107)
68 DVDD
−
Digital 1.5V positive power supply pin (for internal logic)
69 DGND
−
Digital ground pin (for internal logic)
70 MD5 I/O Buffer memory interface data bus
71 MD9 I/O Buffer memory interface data bus
72 MD6 I/O Buffer memory interface data bus
73 MD8 I/O Buffer memory interface data bus
74 MD7 I/O Buffer memory interface data bus
75 LDQM O Lower byte data I/O mask control signal
76 UDQM O Higher byte data I/O mask control signal
77 WE O Buffer memory interface write enable signal
78 MCLKOUT O SDRAM clock output
79 CAS O Buffer memory interface column address strobe control signal
80 DVDD
−
Digital 1.5V positive power supply pin (for internal logic)