Datasheet

517
SAM4E [DATASHEET]
Atmel-11157D-ATARM-SAM4E16-SAM4E8-Datasheet_12-Jun-14
27.6.3 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 3 02928 27 26 25 24
TXPTR
23 22 21 20 19 18 17 16
TXPTR
15 14 13 12 11 10 9 8
TXPTR
76543 210
TXPTR