SAM3A8C Atmel Corporation, SAM3A8C Datasheet - Page 828
SAM3A8C
Manufacturer Part Number
SAM3A8C
Description
Manufacturer
Atmel Corporation
- Current page: 828 of 1465
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Figure 35-52. Master Node with PDC (PDCM = 1)
Figure 35-53. Master Node with PDC (PDCM = 0)
828
828
WRITE BUFFER
IDENTIFIER
Slave Node Configuration
WRITE BUFFER
CHKTYP
PARDIS
CHKDIS
DATA N
DATA 0
FSDIS
NACT
IDENTIFIER
DLM
DLC
DATA 0
DATA N
|
|
|
|
|
|
|
|
SAM3X/A
SAM3X/A
(Peripheral) DMA
Controller
(Peripheral) DMA
In this configuration, the PDC transfers only the DATA. The Identifier must be read by the user in
the LIN Identifier register (US_LINIR). The LIN mode must be written by the user in the LIN
Mode register (US_LINMR).
The WRITE buffer contains the DATA if the USART sends the response (NACT=PUBLISH).
T h e R E A D b u f f e r c o n t a i n s t h e D A T A i f t h e U S A R T r e c e i v e s t h e r e s p o n s e
(NACT=SUBSCRIBE).
Controller
APB bus
TXRDY
APB bus
TXRDY
NODE ACTION = PUBLISH
LIN CONTROLLER
NODE ACTION = PUBLISH
USART3
LIN CONTROLLER
USART3
WRITE BUFFER
READ BUFFER
IDENTIFIER
CHKTYP
PARDIS
CHKDIS
DATA N
DATA 0
FSDIS
NACT
DLM
DLC
WRITE BUFFER
READ BUFFER
|
|
|
|
IDENTIFIER
DATA N
DATA 0
|
|
|
|
(Peripheral) DMA
(Peripheral) DMA
Controller
Controller
APB bus
TXRDY
APB bus
RXRDY
TXRDY
RXRDY
NODE ACTION = SUBSCRIBE
NODE ACTION = SUBSCRIBE
11057A–ATARM–17-Feb-12
11057A–ATARM–17-Feb-12
LIN CONTROLLER
LIN CONTROLLER
USART3
USART3
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