BIXOLON SRP-E770III - RS232 C Communication Block Diagram

SRP-E770III
4-3-3 RS232C Communication Block Diagram
The CPU and RS-232C driver (ST3232) are used for serial communication.
1) RS232C Communication block diagram
2) RS232C Communication waveform
CPU
ST3232
Driver
D-SUB9
Female
Host Printer
Host Printer
Transmit data
Host not Busy
Host Busy Host Busy
CTS RTS
RX
TXD
Transmit(Printer to Host)
Receive(Host to Printer)
Transmit data
Printer not Busy
Printer Printer
RTS CTS
TXD
RX
Figure 4-2 RS232C Communication Block
Figure 4-3 RS232C Communication Waveform
Ver. 1.01
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