Atmel SAM4S Xplained Pro Starter and Evaluation Kit ATSAM4S-XPRO ATSAM4S-XPRO Data Sheet

SAM4S Series [DATASHEET]

Atmel-11100G-ATARM-SAM4S-Datasheet_27-May-14

490

PERIPH_TPR

Read/Write

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

7

6

5

4

3

2

1

0

TXPTR