Datasheet

482
SAM4S Series [DATASHEET]
11100F–ATARM–29-Jan-14
27.5.3 Transmit Pointer Register
Name: PERIPH_TPR
Access: Read/Write
• TXPTR: Transmit Counter Register
TXPTR must be set to transmit buffer address.
When a half-duplex peripheral is connected to the PDC, RXPTR = TXPTR.
31 30 29 28 27 26 25 24
TXPTR
23 22 21 20 19 18 17 16
TXPTR
15 14 13 12 11 10 9 8
TXPTR
76543210
TXPTR