Atmel Evaluation Kit AT91SAM9M10-G45-EK AT91SAM9M10-G45-EK Datenbogen
Produktcode
AT91SAM9M10-G45-EK
317
SAM9M10 [DATASHEET]
6355F–ATARM–12-Mar-13
24.5.3
Transmit Pointer Register
Name:
PERIPH_TPR
Access:
Read-write
• TXPTR: Transmit Counter Register
TXPTR must be set to transmit buffer address.
When a half duplex peripheral is connected to the PDC, RXPTR = TXPTR.
24.5.4
Transmit Counter Register
Name:
PERIPH_TCR
Access:
Read-write
• TXCTR: Transmit Counter Register
TXCTR must be set to transmit buffer size.
When a half duplex peripheral is connected to the PDC, RXCTR = TXCTR.
0 = Stops peripheral data transfer to the transmitter
1- 65535 = Starts peripheral data transfer if corresponding channel is active
31
30
29
28
27
26
25
24
TXPTR
23
22
21
20
19
18
17
16
TXPTR
15
14
13
12
11
10
9
8
TXPTR
7
6
5
4
3
2
1
0
TXPTR
31
30
29
28
27
26
25
24
–
–
–
–
–
–
–
–
23
22
21
20
19
18
17
16
–
–
–
–
–
–
–
–
15
14
13
12
11
10
9
8
TXCTR
7
6
5
4
3
2
1
0
TXCTR