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6-10.
CONTROLLER IC TERMINAL SPECIFICATIONS
The
functions
of
the
input/output
signals
of
the
microprocessor used in the system control circuit and the
characteristics of the signal logic are listed in the table in
accordance with the terminal number.
6-10-1.
Main-controller
CXP80720(IC351)
1 chip microprocessor
ROM capacity: 20 Kbytes x8 bits
RAM capacity: 800 bytes x8 bits
Package:QFP Pin 100
6-15
| Pin |
Signal Name
vO
Outline
REC H
O | High output during REC mode
2
| JOG.H
O | High output during special playback mode
3 | ONSCREEN
O | Onscreen display control signal
4
| V.MUTE
O | Video circuit mute signal, H: Mute
5
| SP/LP OUT
O } SP/LP mode discrimination signal
6 | REMOCON ON
O | Remote controller photo sensor power supply control signal
7 | CG@VD
© | Syne signal for on screen display IC
8
| DRUM BRK
O } Drum motor brake signal, H: Brake ON
9 | CG.STB
O | Onscreen display IC chip select signal
10
| VTRON
1.
| ViR section DC/DC converter contro! signal
11
| CAMON
TT © | Camera section DC/DC converter control signal
12
| LANCCS
ie)
Rank contro! microprocessor chip select signal
:
13. | CAMERA CS
10
Camera IC chip select signal
14;
NC
O°
15
| CAM PW SW
Power supply switch input signal (Camera)
16 | VIR PW SW
Power supply switch input signal (VTR)
17 | EJECT SW
EJECT switch input signal
18
| SSSW
S/S switch input signal
19
21
22
Es
SCAN ING
26
27
STNBY SW
TEST
REMOTE SAN/TCE
Qn fe) 4 Zz
:
lS
AN
'AN
MODE SW 2
29 | MODE SW 1
-|-|-|-le|-|-|-|-|-|-/-
STNBY switch input signal
Adjustment mode discrimination signal, L: Adjustment mode
Remote controller specifications, Discrimination signal
Input extension matrix output signal
Input extension matrix input signal
Input extension matrix input signal
Input extension matrix input signal
Input extension matrix input signal
Auto lock switch input signal
Loading position detection signal
Loading position detection signal
30
| MODE SwWo
Loading position detection signal
1
|
!
H
31 | SCAN OUTO
O | Input extension matrix output signal
32 | SCAN OUTT
air)
Input extension matrix output signal
33
| AMUTE
OQ | Audio circuit mute signal, H: Mute
34 [REEL ON
O | Reel pulse on/off control signal
35 | PB
O | Playback image/EE image switching signal, L: Playback image
36
| STBY
"| O | Video circuit power supply on/off control signal
37 | TALLYLED
O | TALLY LED on/off switching signal
38 | VIDEO CS
O | VIDEO IC chip select signal
39 | MP
40
| RESET
I
}
Microprocessor reset signal input
41
| VSS
42)
XTAL
i
| Main clock oscillation circuit
43
| EXTAL
| Main clock oscillation circuit
44 | CSO
L
Table 6-9.
CXP80720
Terminal Specification
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