GPC150 ETC [List of Unclassifed Manufacturers], GPC150 Datasheet - Page 23
GPC150
Manufacturer Part Number
GPC150
Description
General Purpose Controller Z84C15
Manufacturer
ETC [List of Unclassifed Manufacturers]
Datasheet
1.GPC150.pdf
(103 pages)
- Current page: 23 of 103
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CN7 - CONNETTORE PER LINEE SERIALI RS 232 E TIMER COUNTER
CN7 è un connettore a scatolino a 90 gradi con passo 2.54 mm a 16 piedini.
Tramite CN7 si effettua la connessione delle due linee seriali in RS 232 ed i timer counter T0 e T1
a bordo della CPU con l'ambiente esterno. Le due linee seriali sono gestibili via hardware e via
software tramite lo strippaggio di appositi jumpers e la programmazione degli appositi registri interni
dello Z84C15. I segnali presenti su questo connettore coincidono con segnali logici a livello TTL e
segnali a livello RS 232, secondo le normative definite dal CCITT; la disposizione dei segnali, é
invece stata studiata in modo da ridurre al minimo le interferenze ed in modo da facilitare la
connessione con il campo.
Legenda:
RXA, B RS232 = I - Receive Data: linea di ricezione in RS 232 della linea seriale A, B
TXA, B RS232 = O - Trasmit Data: linea di trasmissione in RS 232 della linea seriale A o B
CTS A, B RS232= I - Clear To Send: linea di abilitazione della trasmissione in RS 232 della linea
RTS A, B RS232= O - Request To Send: linea di richiesta di trasmissione in RS 232 della linea
CLK Tn
ZC Tn
GND
Pagina 16
N.C.
CTSB RS232
RXB RS232
CTSA RS232
RXA RS232
CLK T0
CLK T1
N.C.
F
IGURA
= I - Clock Trigger del contatore n del CTC a livello TTL
= O - Zero Count Timer del contatore n a livello TTL
=
8: CN7 - C
- Linea di massa
seriale A o B
seriale A o B
ONNETTORE PER LINEE SERIALI
11
13
15
1
3
5
7
9
grifo
10
12
14
16
2
4
6
8
®
RS 232
E
T
GPC
IMER
RTSB RS232
RTSA RS232
®
ITALIAN TECHNOLOGY
TXB RS232
TXA RS232
C
150
OUNTER
ZC T0
ZC T1
GND
N.C.
Rel. 3.00
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