Datasheet

483
SAM4S Series [DATASHEET]
11100F–ATARM–29-Jan-14
27.5.4 Transmit Counter Register
Name: PERIPH_TCR
Access: Read/Write
• TXCTR: Transmit Counter Register
TXCTR must be set to transmit buffer size.
When a half-duplex peripheral is connected to the PDC, RXCTR = TXCTR.
0: Stops peripheral data transfer to the transmitter.
1- 65535: Starts peripheral data transfer if the corresponding channel is active.
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TXCTR
76543210
TXCTR