HEIDENHAIN MANUALPLUS 620 - Page 1779

January 2012 9.6 Configuring the Serial Interface 1779
 Data input from EXT to the control
When the receiving buffer is full, the control removes the RTS signal. This
is detected by the peripheral device at its CTS input:
CST
RST
RxD
TxD
RST
CST
TxD
RxD
+

+

+

+

+

+

+

+

+ positive voltage level
 negative voltage level
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