SAA4700 Просмотр технического описания (PDF) - Philips Electronics
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SAA4700 Datasheet PDF : 12 Pages
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Philips Semiconductors
VPS dataline processor
Preliminary specification
SAA4700
Table 1 Information per word in dataline 16
word number
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
content
run in
start code
program source identification (binary coded)
program source identification (ASCII sequential)
sound and VTR control information
program/test picture identification
internal information exchange
address assignment of signal distribution
address assignment of signal distribution
messages/commands
VTR control / information
reserve
Table 2 VTR control information of dataline 16
Word
number
Bit number
VTR CONTROL INFORMATION
5
11
12
13
14
1
80
78
15 16
23 24
31
XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX
Label binary
Word 5:
AD Day Month
(1)
Hour
Minute Nation
Progr.
source
System
status code
Bit1 Bit2 Status
0 0 2-channel
0 1 Mono
1 0 Stereo
1 1 2-channel
Special system code
1X00000111111111111111
NC..
.NC
PC...PC
Pause
code
Interrupt
code
Bit3 Bit4 Status
1 0 free
0 1 free
1X00000111111110111111
1X00000111111101111111
Note
1. address range; NC = nation code; PC = program source code; X = 0 or 1 (bit)
NC..
.NC
NC..
.NC
PC...PC
PC...PC
March 1991
5
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