Техническая Спецификация для Atmel Evaluation Kit AT91SAM9M10-G45-EK AT91SAM9M10-G45-EK
Модели
AT91SAM9M10-G45-EK
520
SAM9M10 [DATASHEET]
6355F–ATARM–12-Mar-13
Figure 31-56.
Automatic Echo Mode Configuration
31.7.9.3
Local Loopback Mode
Local loopback mode connects the output of the transmitter directly to the input of the receiver, as shown in
uously driven high, as in idle state.
Figure 31-57.
Local Loopback Mode Configuration
31.7.9.4
Remote Loopback Mode
Remote loopback mode directly connects the RXD pin to the TXD pin, as shown in
. The transmitter
and the receiver are disabled and have no effect. This mode allows bit-by-bit retransmission.
Figure 31-58.
Remote Loopback Mode Configuration
Receiver
Transmitter
RXD
TXD
Receiver
Transmitter
RXD
TXD
1
Receiver
Transmitter
RXD
TXD
1