Atmel Evaluation Kit AT91SAM9M10-G45-EK AT91SAM9M10-G45-EK Data Sheet
Product codes
AT91SAM9M10-G45-EK
316
SAM9M10 [DATASHEET]
6355F–ATARM–12-Mar-13
24.5.1
Receive Pointer Register
Name:
PERIPH_RPR
Access:
Read-write
• RXPTR: Receive Pointer Register
RXPTR must be set to receive buffer address.
When a half duplex peripheral is connected to the PDC, RXPTR = TXPTR.
24.5.2
Receive Counter Register
Name:
PERIPH_RCR
Access:
Read-write
• RXCTR: Receive Counter Register
RXCTR must be set to receive buffer size.
When a half duplex peripheral is connected to the PDC, RXCTR = TXCTR.
0 = Stops peripheral data transfer to the receiver
1 - 65535 = Starts peripheral data transfer if corresponding channel is active
31
30
29
28
27
26
25
24
RXPTR
23
22
21
20
19
18
17
16
RXPTR
15
14
13
12
11
10
9
8
RXPTR
7
6
5
4
3
2
1
0
RXPTR
31
30
29
28
27
26
25
24
–
–
–
–
–
–
–
–
23
22
21
20
19
18
17
16
–
–
–
–
–
–
–
–
15
14
13
12
11
10
9
8
RXCTR
7
6
5
4
3
2
1
0
RXCTR