Atmel ARM-Based Evaluation Kit for SAM4S16C, 32-Bit ARM® Cortex® Microcontroller ATSAM4S-WPIR-RD ATSAM4S-WPIR-RD Data Sheet
Product codes
ATSAM4S-WPIR-RD
SAM4S Series [DATASHEET]
Atmel-11100G-ATARM-SAM4S-Datasheet_27-May-14
488
27.5.1 Receive Pointer Register
Name:
PERIPH_RPR
Access:
Read/Write
• RXPTR: Receive Pointer Register
RXPTR must be set to receive buffer address.
When a half-duplex peripheral is connected to the PDC, RXPTR = TXPTR.
When a half-duplex peripheral is connected to the PDC, RXPTR = TXPTR.
31
30
29
28
27
26
25
24
RXPTR
23
22
21
20
19
18
17
16
RXPTR
15
14
13
12
11
10
9
8
RXPTR
7
6
5
4
3
2
1
0
RXPTR