Atmel Evaluation Kit AT91SAM9M10-G45-EK AT91SAM9M10-G45-EK Hoja De Datos
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AT91SAM9M10-G45-EK
319
SAM9M10 [DATASHEET]
6355F–ATARM–12-Mar-13
24.5.7
Transmit Next Pointer Register
Name:
PERIPH_TNPR
Access:
Read-write
• TXNPTR: Transmit Next Pointer
TXNPTR contains next transmit buffer address.
When a half duplex peripheral is connected to the PDC, RXNPTR = TXNPTR.
24.5.8
Transmit Next Counter Register
Name:
PERIPH_TNCR
Access:
Read-write
• TXNCTR: Transmit Counter Next
TXNCTR contains next transmit buffer size.
When a half duplex peripheral is connected to the PDC, RXNCTR = TXNCTR.
31
30
29
28
27
26
25
24
TXNPTR
23
22
21
20
19
18
17
16
TXNPTR
15
14
13
12
11
10
9
8
TXNPTR
7
6
5
4
3
2
1
0
TXNPTR
31
30
29
28
27
26
25
24
–
–
–
–
–
–
–
–
23
22
21
20
19
18
17
16
–
–
–
–
–
–
–
–
15
14
13
12
11
10
9
8
TXNCTR
7
6
5
4
3
2
1
0
TXNCTR