SAM3SD8C Atmel Corporation, SAM3SD8C Datasheet - Page 437

• Manufacturer Part Number: SAM3SD8C
• Manufacturer: Atmel Corporation

24.5.9
Name:
Access:
• RXTEN: Receiver Transfer Enable
0 = No effect.
1 = Enables PDC receiver channel requests if RXTDIS is not set.
When a half duplex peripheral is connected to the PDC, enabling the receiver channel requests automatically disables the
transmitter channel requests. It is forbidden to set both TXTEN and RXTEN for a half duplex peripheral.
• RXTDIS: Receiver Transfer Disable
0 = No effect.
1 = Disables the PDC receiver channel requests.
When a half duplex peripheral is connected to the PDC, disabling the receiver channel requests also disables the transmit-
ter channel requests.
• TXTEN: Transmitter Transfer Enable
0 = No effect.
1 = Enables the PDC transmitter channel requests.
When a half duplex peripheral is connected to the PDC, it enables the transmitter channel requests only if RXTEN is not
set. It is forbidden to set both TXTEN and RXTEN for a half duplex peripheral.
• TXTDIS: Transmitter Transfer Disable
0 = No effect.
1 = Disables the PDC transmitter channel requests.
When a half duplex peripheral is connected to the PDC, disabling the transmitter channel requests disables the receiver
channel requests.
11090A–ATARM–10-Feb-12
11090A–ATARM–10-Feb-12
31
23
15
–
–
–
7
–
Transfer Control Register
PERIPH_PTCR
Write-only
30
22
14
–
–
–
6
–
29
21
13
–
–
–
5
–
28
20
12
–
–
–
4
–
27
19
11
–
–
–
3
–
26
18
10
–
–
–
2
–
RXTDIS
TXTDIS
SAM3S8/SD8
SAM3S8/SD8
25
17
–
–
9
1
RXTEN
TXTEN
24
16
–
–
8
0
437
437