Sharp DV-NC55U Service Manual page 66

DV-NC55U/C/M
Pin No. Terminal Name In/Output
55 NC
56 NC
57 SMCK
58 VMCK
59 VDD3
60 PD0
61 VSS5
62 PD1
63 PD2
64 PD3
65 PD4
66 VSS3
67 PD5
68 PD6
69 PD7
70 PD8
71 /PSYC
72 /PDRQ
73 PDCK
74 VDD5
75 TESM3
76 DIGI
77 TESM4
78 VDD3
79 BA0
80 BA1
81 BA2
82 BA3
83 VSS5
84 BA4
85 BA5
86 BA6
87 BA7
88 BA8
89 VDD3
90 /BOE
91 /BRAS
92 /BCAS
93 /BCASL
94 /BWE
95 VDD5
96 BD0
97 BD1
98 BD2
99 BD3
100 BD4
101 BD5
102 BD6
103 BD7
104 BD8
105 VSS3
106 BD9
107 BD10
108 BD11
109 BD12
110 VSS5
Operation function
–
Output 22M system clock output
Output Data output system (signal processing
system) clock output
– 3.3V digital power supply
Output DVD/CD data output
– 5V ground supply
Output DVD/CD data output
– 3.3V digital ground
Output DVD/CD data output
Output DVD data sector sync signal
Output DVD data transfer block
Output DVD data transfer block
– 5V power supply
– Test terminal
Input 1 bit DAC digital IN input
– Test terminal
– 3.3V digital power supply
Output External RAM address output
– 5V ground supply
Output External RAM address output
– 3.3V digital power supply
Output External RAM/OE signal
Output External RAM/RAS signal
Output External RAM/UCAS signal
Output External LCAS/WE signal
Output External RAM WE signal
– 5V power supply
In/Output External RAM data I/O
– 3.3V digital ground
In/Output External RAM data I/O
– 5V ground supply
3/5V system
–
5V system
5V system
5V system
5V system
5V system
5V system
5V system
5V system
5V system
5V system
5V system
5V system
5V system
5V system
5V system
5V system
5V system
5V system
5V system
5V system
66
Remarks
–
–
–
–
Connected to VSS5
Connected to VDD5
–
–
–
–
–
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