Communications Timing
RS232C Communications
Host
Driver
Driver
Host
Host
Driver
Driver
Host
Code
T3
Continuous inter-character time
T4
T5
<Caution>
The time represents a period of time from stop bit rising edge.
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T3
T4
Request for transmission
Permission to transmit
T3
T5
Request for transmission
Name
Driver response time
Host response time
T3
T5
T3
T4
Permission to transmit
Minimum
Stop bit length
4ms
2ms
165
[Reference]
T4
Data block
ACK/NAK
T5
ACK/NAK
Data block
Maximum
Protocol parameter T1
Protocol parameter T2
Protocol parameter T2