2. INTERFACES
TG558
2
2-
(Fig.2.2)
(Fig.2.3)
(Fig.2.4)
In the serial protocol, the signals which characterize communication are TD, RD and RTS if the RTS/CTS protocol
has been selected; alternatively, if the XON/OFF protocol has been selected, the signals are TD and RD.
Transmission format
NOTES :
(1)
Bit 7
is present only if in the set-up was enabled 8 bit character (“Data length”).
(2)
Parity Bit
is present only if in the set-up the parity was enabled.
RTS/CTS Protocol
XON-XOFF Protocol
BIT 6
PARITY
BIT
(2)
BIT 7
(1)
BIT 2
BIT 1
BIT 3
BIT 5
BIT 4
BIT 0
NEXT
START
BIT
STOP
BIT
START
BIT
START
START
START
DATA
RTS
STOP
STOP
STOP
RD
WAIT
DATA
DATA
START BIT
WAIT
STOP
TD
DATA
DATA
STOP
$13XOFF
START BIT
STOP
RD
START BIT
STOP
START BIT
$11XON