6 - 12
DIGITAL MICROPROCESSOR (IC1201: D-µP)
MICROPROCESSOR PIN FUNCTION TABLES
Pin
I/O
Active
Abbreviation
Function
No.
Level
1
O
(Pulse)
LD-DSP
Activates data communication with IC1121 (CAMERA DSP).
2
O
(Pulse)
CS-DAC
Not used. Open.
3
O
(Pulse)
CS-VAP
4
O
Hi
GYRO-RST
5
-----
-----
CEON
6
-----
-----
CHARGE
7
O
(Pulse)
RD-OEB
Activates focus drive data communications with IC1302 (FOCUS MOTOR DRIVE).
8
O
(Pulse)
ZD-OEB
Activates zoom drive data communications with IC1301 (ZOOM MOTOR DRIVE).
9
O
(Pulse)
RDCK
Outputs focus motor drive signal to IC1302 (FOCUS MOTOR DRIVE).
10
O
(Pulse)
ZDCK
Outputs zoom motor drive signal to IC1301 (ZOOM MOTOR DRIVE).
11
O
(Pulse)
IRDCK
Not used. Open.
12
-----
-----
VCC (3V)
3V power input.
13
I
Hi/Lo
LINE-SW
External sync detection input. When "Hi" is input, the unit will be driven in the
external sync mode; when "Lo" is input, it will be driven in the internal sync mode.
14
-----
-----
GND
Ground.
15
O
Hi/Lo
IRDCW
Not used. Open..
16
O
(Pulse)
IROREB
17
O
Hi
IRRESET
18
I
(Pulse)
IRSENS
19
O
-----
IR-RED
20
-----
-----
----------
21
-----
-----
TST-PIN1
22
I
0V-3V
H-VAP
23
-----
-----
TET-PIN0
24
I
0V-3V
V-VAP
25
-----
-----
CHECK8
26
O
Hi
ZD-RESET
Resets IC1301 (ZOOM MOTOR DRIVE).
27
O
Hi
RD-RESET
Resets IC1302 (FOCUS MOTOR DRIVE).
28
O
(Pulse)
IRIS-PWM
Iris motor drive output .
29
-----
-----
LD-JIG
Not used. Open.
30
O
(Pulse)
ZOOM-LED
Output pulses to drive the ZOOM LED in the lens block via Q1201 (LED DRIVE).
31
-----
-----
TXD2
Not used.
32
-----
-----
RXD2
33
O
(Pulse)
FCUS-LED
Output pulses to drive the FOCUS LED in the lens block via Q1201 (LED DRIVE).
34
O
Hi/Lo
ZDCW
Issues a command which determines with IC1301 (ZOOM MOTOR DRIVE).
35
-----
-----
ZD-PWMA
Not used. Open.
36
O
Hi/Lo
RDCW
Issues a command which determines with IC1302 (FOCUS MOTOR DRIVE).
37
-----
-----
RD-PWMA
Not used. Open.
38
I
(Pulse)
FV
Receives the vertical sync pulses that detect the iris detection area, from IC1121
(CAMERA DSP).
39
I
(Pulse)
FUS-SENS
Focus motor position detection input.
40
-----
-----
----------
Not used. Open.
41
I
(Pulse)
ZOM-SENS
Zoom motor position detection input.
42
-----
-----
GND
Ground.
43
O
0V-5V
HAL-ADJ1
Controls the offset voltage of IC1351 (F.DET/IRIS DRIVE).
44
O
0V-5V
HAL-ADJ0
Drives bias generator in IC1351 (F.DET/IRIS DRIVE) via Q1351 (BIAS DRIVE) to
control the bias voltage of the Hall devices.
45
-----
-----
----------
Not used. Open.
46
I
0V-3V
ZOOM-SW
Not used.
47
I
0V-3V
FOCUS-SW
48
I
0V-3V
KEY1
49
I
0V-3V
TEMP-ADJ
Temperature change detection input. Detects variations in the forward voltage
at the connected diode to correct the back-focus.
