SAM3A4C Atmel Corporation, SAM3A4C Datasheet - Page 519
SAM3A4C
Manufacturer Part Number
SAM3A4C
Description
Manufacturer
Atmel Corporation
- Current page: 519 of 1465
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27.3
Figure 27-1. Block Diagram
27.4
27.4.1
11057A–ATARM–17-Feb-12
11057A–ATARM–17-Feb-12
Block Diagram
Functional Description
Configuration
RECEIVE or TRANSMIT
The PDC channel user interface enables the user to configure and control data transfers for
each channel. The user interface of each PDC channel is integrated into the associated periph-
eral user interface.
The user interface of a serial peripheral, whether it is full or half duplex, contains four 32-bit
pointers (RPR, RNPR, TPR, TNPR) and four 16-bit counter registers (RCR, RNCR, TCR,
TNCR). However, the transmit and receive parts of each type are programmed differently: the
FULL DUPLEX
HALF DUPLEX
PERIPHERAL
PERIPHERAL
PERIPHERAL
RHR or THR
Control
Control
Control
RHR
THR
THR
RHR
Status & Control
Status & Control
Status & Control
PDC Channel A
PDC Channel B
PDC Channel C
PDC Channel D
PDC
Control
SAM3X/A
SAM3X/A
519
519
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