Yamaha DVR-S150 Service Manual page 56

DVR-S150/NX-P150
IC7 : YSS930-SZ (DIGITAL P.C.B.)
DSP
No. Name
57 RAMD14
58 RAMD15
59 CASN
60 RAMWEN
61 RAMOEN
62 RASN
63 RAMA8
64 RAMA7
65 RAMA0
66 RAMA6
67 RAMA1
68 VDD1
69 RAMA5
70 RAMA2
71 RAMA4
72 RAMA3
73 RAMA9
74 RAMA10
75 VDD2
76 VSS
77 RAMA11
78 RAMA12
79 RAMA13
80 RAMA14
81 RAMA15
82 RAMA16
83 RAMA17
84 VDD1
85 /CS
86 SO
87 SI
88 SCK
89 /IC
90 SDWCK
91 SDBCK
92 SDI7
93 SDI6
94 SDI5
95 SDI4
96 SDI3
97 SDI2
98 SDI1
99 SDI0
100 VDD2
Is: Schmidt trigger input terminal
I+: Input terminal with pull-up resistor
O: digital output terminal
Ot: Tri-state digital output terminal
A: Analog terminal
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I/O Function
I+/O Data input/output terminal 14 for external memory
I+/O Data input/output terminal 15 for external memory
O Column address strobe output terminal for external DRAM
O Write enable output terminal for external memory
O Output enable output terminal for external memory
O Low address strobe output terminal for external DRAM
O Address output terminal 8 for external memory
O Address output terminal 7 for external memory
O Address output terminal 0 for external memory
O Address output terminal 6 for external memory
O Address output terminal 1 for external memory
- +3.3V digital power supply (for input/output terminal)
O Address output terminal 5 for external memory
O Address output terminal 2 for external memory
O Address output terminal 4 for external memory
O Address output terminal 3 for external memory
O Address output terminal 9 for external memory
O Address output terminal 10 for external memory
- +2.5V digital power supply (for internal circuit)
- Digital ground terminal
O Address output terminal 11 for external memory
O Address output terminal 12 for external memory
O Address output terminal 13 for external memory
O Address output terminal 14 for external memory
O Address output terminal 15 for external memory
O Address output terminal 16 for external memory
O Address output terminal 17 for external memory
- +3.3V digital power supply (for input/output terminal)
Is Microprocessor interface chip select input terminal
Ot Microprocessor interface data output terminal
Is Microprocessor interface data input terminal
Is Microprocessor interface clock input terminal
Is Initial clear input terminal
I Word clock (fs) input terminal for SDI/SDO interface
Is Bit clock (64fs) input terminal for SDI/SDO interface
I PCM input terminal
I PCM input terminal
I PCM input terminal
I PCM input terminal
I PCM input terminal
I PCM input terminal
I PCM input terminal
I PCM input terminal
- +2.5V digital power supply (for internal circuit)