at91cap7e ATMEL Corporation, at91cap7e Datasheet - Page 196

• Manufacturer Part Number: at91cap7e
• Description: Customizable Microcontroller
• Manufacturer: ATMEL Corporation

23.2
Figure 23-1. Block Diagram
23.3
23.3.1
196
Block Diagram
Functional Description
AT91CAP7E
Configuration
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
RECEIVE or TRANSMIT
HALF DUPLEX
FULL 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
8549A–CAP–10/08