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When bit 3 among bit 7-0 is on, hardware handshake using RTS/CTS is disabled. The written
command is M3D18 to select non-hardware handshake mode and character echo method.
3.6.3 Character echo method from PC
When bit 4 of CD15 interface register is on, character (13 decimal) input to CD15 is required
to transmit a next character from CD15 to PC.
3.6.4 Time delay between RS232C transmit
When bit 5 of CD15 interface register is on, 5 millisecond time delay is provided between
transmission of characters.
3.6.5 How to set up CD15 Interface Register
The CD15 Interface Register is also a non-volatile memory inside CD15, and it may be set by
the following command:
M3D(n1)(n2), where n1 and n2 forms a 8-bit bytes.
When all bits in CD15 Interface Register needs to be cleared to select hardware handshake,
send M3D00. If hardware handshake method is disabled and character echoing is enabled,
send M3D18.
Summary of Contents for CD 15
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