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en:netzer:uart [2014/02/09 14:32] (current)
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 +====== Asynchron serial interface (UART) ======
  
 +<note important>​For this functionality the **[[io_project|IO project]]** (base or pro) has to be  [[fwupdates|uploaded]] to Netzer.</​note> ​
 +
 +In UART mode signal RX is configured as receive pin and TX is configured as transmit pin for serial interface.
 +
 +The interface can be configured via Netzer web interface.
 +
 +
 +===== Baudrate =====
 +
 +The following baudrates are supported.
 +Due to external crystal and clock generation a system error arises.
 +
 +^ Baudrate in Baud ^ Error in % ^
 +| 300 | 0 |
 +| 1200 | 0,01 |
 +| 2400 | 0,01 |
 +| 4800 | 0,0072 |
 +| 9600 | 0,01 |
 +| 19200 | -0,08 |
 +| 38400 | 0,098 |
 +| 57600 | -0,08 |
 +| 115200 | 0,47 |
 +
 +
 +===== Data format =====
 +
 +The standard data format is one start bit, 8 data bits and one stopbit.
 +The parity bit is optional and can be set like (only **IO_pro**):​
 +
 +^ Mode ^ Description ^
 +| None | No parity is transmitted/​accepted. |
 +| Odd | An odd parity is transmitted/​accepted. |
 +| Even | An even parity is transmitted/​accepted. |
 +| Mark | The parity bit is always 1. This setting can be used to emulate a second stop bit. |
 +| Space | The parity bit is always 0. |
 +
 +
 +===== Handshakes (only **IO_pro**) =====
 +
 +Coming soon.

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