Onkyo HT-R667 Service Manual page 59

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IC BLOCK DIAGRAMS AND TERMINAL DESCRIPTIONS-28
Q8001 : FLI30502 (LCD TV Controller with Worldwide Standard Sound Processor
TERMINAL DESCRIPTION
Parallel / Serial ROM interface
Pin Name
A17
A16
A15
A14
A13
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
TE
D7
L 13942296513
D6
D5
D4
D3
D2
D1
D0
ROM_OEN
ROM_SDI/
ROM_WEN
ROM_SCSN/
ROM_CSN
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Pin # I/O Description
107
108
112
113
114 256K x 8 PROM / SRAM Address. Some of these pins also have boot strap functionality.
115 O For serial SPI ROM interface :
116 - ROM_ADDR17 is Serial Clock (ROM_SCLK)
117 - ROM_ADDR16 is Serial Data Output (ROM_SDO)
118
119
120
121
122
123
124
125
126
56
140
139
138
IO
137 External PROM / SRAM data input.
136
133
130
127
55 O External PROM / SRAM Data Output Enable.
109 O External PROM / SRAM Data Write Enable (for In-System Programming of Flash) or
Serial Data Input (SDI) for SPI ROM interface.
O
106 External PROM / SRAM Data Chip Select or Serial PROM Chip Select (ROM_SCSN) for
for SPI ROM interface.
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