Atmel Evaluation Kit AT91SAM9M10-G45-EK AT91SAM9M10-G45-EK Data Sheet
Product codes
AT91SAM9M10-G45-EK
318
SAM9M10 [DATASHEET]
6355F–ATARM–12-Mar-13
24.5.5
Receive Next Pointer Register
Name:
PERIPH_RNPR
Access:
Read-write
• RXNPTR: Receive Next Pointer
RXNPTR contains next receive buffer address.
When a half duplex peripheral is connected to the PDC, RXNPTR = TXNPTR.
24.5.6
Receive Next Counter Register
Name:
PERIPH_RNCR
Access:
Read-write
• RXNCTR: Receive Next Counter
RXNCTR contains next receive buffer size.
When a half duplex peripheral is connected to the PDC, RXNCTR = TXNCTR.
31
30
29
28
27
26
25
24
RXNPTR
23
22
21
20
19
18
17
16
RXNPTR
15
14
13
12
11
10
9
8
RXNPTR
7
6
5
4
3
2
1
0
RXNPTR
31
30
29
28
27
26
25
24
–
–
–
–
–
–
–
–
23
22
21
20
19
18
17
16
–
–
–
–
–
–
–
–
15
14
13
12
11
10
9
8
RXNCTR
7
6
5
4
3
2
1
0
RXNCTR