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iDP3210 User’s Manual
25
CITIZEN
6.2SerialInterface
6.2.1Specifications
(1) Data transfer system : Asynchronous
(2) Baud rates
150, 300, 600, 1200, 2400, 4800, 9600, 19200 bps (Selectable by user)
(3) Configuration of one word
Start bit : 1 bit
Data bit : 7 bits or 8 bits (Selectable by user))
Parity bit : Add/even or no parity (Selectable by user)
Stop bit : 1 bit or more
(4) Signal polarity
RS-232C
• Mark = Logic " 1" (–3V to –12V)
• Space = Logic " 0" (+3V to +12V)
(5) Receive data (RD signal)
RS-232C
• Mark = 1
• Space = 0
(6) Data receiving control (DTR signal)
RS-232C
• Mark : Data transfer not available
• Space : Data transfer available
(7) Data transmission control (TD signal)
DC1 code (11H) X-ON : Data reception available
DC3 code (13H) X-OFF : Data reception not available