Canon PowerShot 350 Service Manual - Page 43
Canon PowerShot 350 Manual
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Pin No. 121 122 123 124 125 126 127 128-131 132 133 134 135 136 137 138-145 146 147 148 149 150-157 158 159-163 164 Name RRST FRE TST02 TEST1 VDD(3V) DVSS TEST2 FO3-FO0 TEST3 RAS UCAS LCAS NMWE NMOE MD15-MD8 TEST4 VDD(3V) DVSS TEST5 MD7-MD0 TEST6 MA9-MA5 TEST7 Part 2: Technical Information I/0 Function O FIFO Read reset O FIFO Read enable Not used I TEST1test point Power GND I TEST2 test point I FIFO Read data I TEST3 test point O Raw Address Strobe O Upper Column Address Strobe O Lower Column Address Strobe O Write enable O Output enable I/O DRAM Data In / Out I TEST4 test point Power GND I TEST5 test point I/O DRAM Data in / out I TEST6 test point O DRAM Address I TEST7 test point 2-11
Part
2:
Technical
Information
Pin
No.
Name
I/0
Function
121
RRST
O
FIFO
Read
reset
122
FRE
O
FIFO
Read
enable
123
TST02
Not
used
124
TEST1
I
TEST1test
point
125
VDD(3V)
Power
126
DVSS
GND
127
TEST2
I
TEST2
test
point
128-131
FO3-FO0
I
FIFO
Read
data
132
TEST3
I
TEST3
test
point
133
RAS
O
Raw
Address
Strobe
134
UCAS
O
Upper
Column
Address
Strobe
135
LCAS
O
Lower
Column
Address
Strobe
136
NMWE
O
Write
enable
137
NMOE
O
Output
enable
138-145
MD15-MD8
I/O
DRAM
Data
In
/
Out
146
TEST4
I
TEST4
test
point
147
VDD(3V)
Power
148
DVSS
GND
149
TEST5
I
TEST5
test
point
150-157
MD7-MD0
I/O
DRAM
Data
in
/
out
158
TEST6
I
TEST6
test
point
159-163
MA9-MA5
O
DRAM
Address
164
TEST7
I
TEST7
test
point
2-11