6 - 57
Pin
I/O
Active
Abbreviation
Function
No.
Level
40
O
(Pulse)
XTAL OUT
Drive X0901 to generate 12MHz main clock pulses.
12MHz
41
I
(Pulse)
EXTAL IN
12MHz
42
I
(Pulse)
CS-SYC(CAM)
Activates data communications with IC1104 (DIGITAL µP).
43
I
(Pulse)
C-S DATA(CAM) For data communications with IC0201 (VIDEO DSP), IC1105 (EEPROM), IC1104
44
O
(Pulse)
S-C DATA(CAM) (DIGITAL µP) and IC1111 (D/A CONV.).
45
I
(Pulse)
C LOCK(CAM)
46
I
0V-3V
OVER-C
Overcurrent detection input during charging. Changes the gain during charging to
monitor the charge current.
47
I
0V-3V
VCR KEYS2
VCR operation switch detection input (PLAY, DATE, TITLE and MUTE etc.).
48
I
0V-3V
CHARGE_C
Charge current detection input. Monitors the charge current during charging.
49
I
0V-3V
BATTERY
Input to detect the battery remaining level.
50
-----
-----
GND
Grounded.
51
I
-----
AVref
Reference voltage input. Connect to 3V line.
52
-----
-----
AVdd
3V power input.
53
I
Hi/Lo
CASETTE-SW
Erase prevention tab and Hi-8/Normal of the casette detection input.
54
I
0V-3V
+B_VDET
Battery voltage detection input. Monitors the attached battery voltage.
55
I
Lo
EXT_MIC
External microphone connect detection input.
56
I
0V-3V
VCR KEYS1
VCR operation switch detection input (REW, F.FWD and STOP).
57
I
0V-3V
TRACK ADJ.
For the connection of a tracking control for adjustment. When an ATF-R jig is
connected to PG0601 (test plug), the variable resistor on the ATF-R jig can be used
as a tracking control.
58
I
(Pulse)
EST
Take-up tape end detection input.
59
I
(Pulse)
ESS
Supply tape end detection input.
60
I
(Pulse)
ENV_DET
Playback (PB) FM signal input.
61
I
(Pulse)
RSS
Supply/take-up reel sensor inputs. Used to calculate the remaining tape and to
62
I
(Pulse)
RST
detect reel lock.
63
-----
-----
GND
Grounded.
64
I
(Pulse)
C.SYNC
Composite sync signal input. The separated vertical sync signal is divided by
two to generate the 1/2V.SYNC pulse which is used to control the cylinder speed
during recording (reference signal).
65
I
(Pulse)
TBC_CONT
Cylinder phase control signal input.
66
-----
-----
GND
Grounded.
67
I
(Pulse)
DFG
Cylinder FG (CYL. FG) pulse input. Controls the cylinder speed during recording
and playback.
68
I
(Pulse)
CFG
Capstan FG (CAPST.FG) pulse input. Controls the capstan speed and used for
75
I
(Pulse)
CFG
counting of the linear time counter and recording restart control (assemble
recording).
69
O
Hi
LOAD
Loading motor drive outputs.
70
O
Hi
UNLOAD
71
O
Hi
CHARGE
Charge circuit control output. Outputs "Hi" during charging to activate the charge
circuit.
72
O
(Pulse)
OSD_CS
Activates communications with IC0904 (CHARA. GEN.).
73
O
PWM
D.SPEED
Cylinder servo control outputs.
74
O
PWM
C.SPEED
Capstan servo control outputs.
76
I
Lo
V-DET[Lo]
Inputs whether a battery is attached or not. "Lo" is input when the battery is
detached, to shift the microprocessor to the backup mode in which the data is
saved.
77
I
Hi
DC900DET
Not used.
78
O
(Pulse)
D. OUT
For data communications with IC0904 (CHARA. GEN.) and IC0401 (AUDIO
79
O
(Pulse)
CLOCK
PROCESS (For stereo type)).
80
O
Hi
T.FADE
Rapid audio fading output. Outputs "Hi" when fading is started to fade the audio
signal in rapidly.
81
I
Hi/Lo
BATT. SERIAL
Battery serial time detection input.
82
-----
-----
----------
Not used. Open.
