AT91SAM9G10_1 Datasheet, PDF (234/730 Pages) ATMEL Corporation – AT91 ARM Thumb-based Microcontrollers

24.4.7 Transmit Next Pointer Register
Name:
PERIPH_TNPR
Access:
Read-write
31
30
29
28
27
26
TXNPTR
23
22
21
20
19
18
TXNPTR
15
14
13
12
11
10
TXNPTR
7
6
5
4
3
2
TXNPTR
• TXNPTR: Transmit Next Pointer
TXNPTR contains next transmit buffer address.
When a half duplex peripheral is connected to the PDC, RXNPTR = TXNPTR.
AT91SAM9G10
25
24
17
16
9
8
1
0
24.4.8 Transmit Next Counter Register
Name:
PERIPH_TNCR
Access:
Read-write
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
• TXNCTR: Transmit Counter Next
TXNCTR contains next transmit buffer size.
When a half duplex peripheral is connected to the PDC, RXNCTR = TXNCTR.
6462A–ATARM–03-Jun-09
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