SAM7S256_14 Datasheet, PDF (157/775 Pages) ATMEL Corporation – ARM-based Flash MCU

22.4.7 PDC Transmit Next Pointer Register
Register Name:
PERIPH_TNPR
Access Type:
Read-write
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
• TXNPTR: Transmit Next Pointer Address
TXNPTR is the address of the next buffer to transmit when the current buffer is empty.
22.4.8 PDC Transmit Next Counter Register
Register Name:
PERIPH_TNCR
Access Type:
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
TXNCR
7
6
5
4
3
2
1
0
TXNCR
• TXNCR: Transmit Next Counter Value
TXNCR is the size of the next buffer to transmit.
SAM7S Series [DATASHEET]
6175M–ATARM–26-Oct-12
157