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AT91SAM7A2-AI bảng dữ liệu(PDF) 83 Page - ATMEL Corporation

tên linh kiện AT91SAM7A2-AI
Giải thích chi tiết về linh kiện  AT91 ARM Thumb-based Microcontrollers
PDF  369 Pages
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nhà sản xuất  ATMEL [ATMEL Corporation]
Trang chủ  http://www.atmel.com
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AT91SAM7A2-AI bảng dữ liệu(HTML) 83 Page - ATMEL Corporation

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PRELIMINARY
AT91SAM7A2
6021A–ATARM–07/04
Peripheral Data Controller (PDC)
Overview
The Peripheral Data Controller (PDC) permits easy and quick transfers of large blocks
of words from memory to peripheral or from peripheral to memory.
Block Diagram
Figure 42. PDC Block Diagram
Each PDC channel, with a start address and a counter (number of words), can automat-
ically put/get a block of transmitted words in/from a specific memory area. Each
peripheral that transfers data can have a channel corresponding to a Peripheral Data
Controller channel.
The peripherals associated to the PDC channels are listed in Table 35, “PDC Connec-
tion,” on page 86.
PDC
ADC1
PDC
ADC0
PDC
CAPT1
PDC
CAPT0
PDC
SPI
PDC
USART2
PDC
USART1
PDC
USART0
Arbiter
ARM7TDMI
CORE
RAM
EBI
AMBA
Bridge
ASB
APB
PDC
CH11
CH10
CH9
CH8 CH7
CH6 CH5
CH4 CH3
CH2 CH1
CH0



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