6.2 Serial Interface
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
• Mark | = | Logic " 1" |
• Space |
| = Logic " 0" (+3V ~ +12V) |
(5)Receive data (RD signal)
• Mark | = | 1 |
• Space | = | 0 |
(6)Data receiving control (DTR signal)
• Mark | : | Data transfer not available | |
• Space | : | Data transfer available | |
(7) Data transmission control (TD signal) | |||
DC1 code (11H) | : Data reception available | ||
DC3 code (13H) | : Data reception not available | ||
