Canon PowerShot 350 Service Manual - Page 45

Canon PowerShot 350 Manual

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Pin No. 61-63 64 65 66 67 68-72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 Name KEYOUT1-3 STBOK(L) REC(L) VSS VDD KEY 1N1-5 AC ADP(H) B OFF B WAR VDD VSS SCK2 SI2 SO2 SHUTTER NTINT NIRQ VD5 NMI VSS VDD CGSCK SI1 CGDATA RXD TXD SCKO SIO SO0 VDD VSS PWR SW VOUT(H) A21 Part 2: Technical Information I/O Function O Key Mat A-C I Flash Charge O Rec ON GND Power I Key Scan 1 - 5 I AC Adaptor use I POWER FALL I POWER DOWN Power GND O Synchronous Serial Clock (E2P..ch) I Synchronous Serial Input (E2P..ch) O Synchronous Serial Output (E2P..ch) I Shutter monitor I RTCLK interrupt I LSI interrupt I VD interrupt I Non-maskable interrupt GND Power O Synchronous Serial Clock (CG ch) I Synchronous Serial Input (CG ch) O Synchronous Serial Output (CG ch) I Start / Stop Synchronous Serial Input (PC) O Start / Stop Synchronous Serial Output(PC) I Synchronous Serial Clock I Synchronous Serial Input O Synchronous Serial Output Power GND I Power Switch I RS-232C 0 External Extension Address 2-13

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Part
2:
Technical
Information
Pin
No.
Name
I/O
Function
61-63
KEYOUT1-3
O
Key
Mat
A
-C
64
STBOK(L)
I
Flash
Charge
65
REC(L)
O
Rec
ON
66
VSS
GND
67
VDD
Power
68-72
KEY
1N1-5
I
Key
Scan
1
-
5
73
AC
ADP(H)
I
AC
Adaptor
use
74
B
OFF
I
POWER
FALL
75
B
WAR
I
POWER
DOWN
76
VDD
Power
77
VSS
GND
78
SCK2
O
Synchronous
Serial
Clock
(E2P..ch)
79
SI2
I
Synchronous
Serial
Input
(E2P..ch)
80
SO2
O
Synchronous
Serial
Output
(E2P..ch)
81
SHUTTER
I
Shutter
monitor
82
NTINT
I
RTCLK
interrupt
83
NIRQ
I
LSI
interrupt
84
VD5
I
VD
interrupt
85
NMI
I
Non-maskable
interrupt
86
VSS
GND
87
VDD
Power
88
CGSCK
O
Synchronous
Serial
Clock
(CG
ch)
89
SI1
I
Synchronous
Serial
Input
(CG
ch)
90
CGDATA
O
Synchronous
Serial
Output
(CG
ch)
91
RXD
I
Start
/
Stop
Synchronous
Serial
Input
(PC)
92
TXD
O
Start
/
Stop
Synchronous
Serial
Output(PC)
93
SCKO
I
Synchronous
Serial
Clock
94
SIO
I
Synchronous
Serial
Input
95
SO0
O
Synchronous
Serial
Output
96
VDD
Power
97
VSS
GND
98
PWR
SW
I
Power
Switch
99
VOUT(H)
I
RS
-232C
100
A21
0
External
Extension
Address
2-13