Canon EOS 50 E - Page 89

Part 2: Technical Information
LCD Driver (SN103932)
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38-61
62
63-66
67
68
69
70
71
72
73
74
Name
MAINl
MAIN2
MAIN3
RB1N
SELF
BP
POPEND
MAIN4
LIN
/RESIO
/RESMPU
/LCDREQ
/ElON
MIF
POPUP
AFSEL
AELK
SWl
FUNC
BEEP
REMIN
/REMON
TEST
XTALl
XTAL2
PUC
SDIAL2
SDIALl
MDIAL2
MDIALl
CHPl
CHP2
CHP3
VH
VM
VL
GND
SEG29-SEG6
SEG4-SEG1
SEG30
COM3
COM2
COMl
CSLCD
SCLK
MOSI
MISO
Function
Command dial switch input
Command dial switch input
Command dial switch input
Rewinidng switch input
Self-timer/ Remote control switch input
Back cover sensor switch input
Built-in fish pop-up completion sensor switch input
Command dial switch input
Communicatons signal input from lens
EF IC reset signal input
MPU reset signal output
Cut-in communication request output to MPU
DC /DC operation start signal
Mount interface switch input
Built-in flash up switch input
AF mode switch input
AE lock switch input
Release switch 1 (metering/raning) input
Function switch input
Beeper connector
Remote control signal input
REM IC power supply signal
Ground connector (not used)
32kHZ oscillator connection
32kHZ oscillator connection
LCD driver set signal
Back cover dial input
Back cover dial input
Command dial input
Command dial input
Booster capacitor connector
Booster capacitor connector
Booster capacitor connector
Booster capacitor output
Booster capacitor output
Booster capacitor output
Ground
Segment drive terminals
Not used
Segment drive terminals
Segment drive terminal
LCD common drive terminal
LCD common drive terminal
LCD common drive terminal
MPU selects a communication with LCD driver.
Communications clock
Communications line (input)
Communications line (output)
2-45