at91cap7e ATMEL Corporation, at91cap7e Datasheet - Page 51
![no-image](/images/manufacturer_photos/0/0/79/atmel_corporation_sml.jpg)
at91cap7e
Manufacturer Part Number
at91cap7e
Description
Customizable Microcontroller
Manufacturer
ATMEL Corporation
Datasheet
1.AT91CAP7E.pdf
(520 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
- Current page: 51 of 520
- Download datasheet (11Mb)
11.5.3
Figure 11-7. Write to FPGA
Figure 11-8. Read from FPGA
8549A–CAP–10/08
PIO-FPGA Waveforms
WR / RD_
AHB CLK
START
DATA
WR / RD_
AHB CLK
START
DATA
t1
t1
data
NOTE
Figure
The access time is calculated as the sum of:
Using the GCC compiler with maximum optimizations, the system takes approximately 55
AHB cycles to perform the write operation to the FPGA.
Figure 11-8
Address Phase
Address Phase
Address
11-7shows the PIO timing when writing to FPGA.
Address
These algorithms are for a basic transfer, a more sophisticated algorithm is
necessary to establish a proper communication between the ARM microcontroller
and the FPGA.
shows the PIO timing when reading from the FPGA.
PIO_DATA_DIR = INPUT; // Set PIO-Data direction as input to receive the
DELAY(WAIT_FOR_FPGA); // wait for the FPGA to send the data
DATA_FROM_FPGA = *PIO_DATA; // this is the end of read cycle
T
access-Pio
t2
t2
= t1 + address phase + t2 + data phase
Data from FPGA
Data Phase
Data Phase
Data
AT91CAP7E
51
Related parts for at91cap7e
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
![U641B](/images/manufacturer_photos/0/0/79/atmel_corporation_tmb.jpg)
Part Number:
Description:
INTERVAL AND WIPE/WASH WIPER CONTROL IC WITH DELAY
Manufacturer:
ATMEL Corporation
Datasheet:
![U4082B](/images/manufacturer_photos/0/0/79/atmel_corporation_tmb.jpg)
Part Number:
Description:
Low-Voltage Voice-Switched IC for Hands-Free Operation
Manufacturer:
ATMEL Corporation
Datasheet:
![U4089B](/images/manufacturer_photos/0/0/79/atmel_corporation_tmb.jpg)
Part Number:
Description:
MONOLITHIC INTEGRATED FEATUREPHONE CIRCUIT
Manufacturer:
ATMEL Corporation
Datasheet:
![U4255BM-M](/images/manufacturer_photos/0/0/79/atmel_corporation_tmb.jpg)
Part Number:
Description:
AM-FM Receiver IC U4255BM-M
Manufacturer:
ATMEL Corporation
Datasheet:
![U4089B-P](/images/manufacturer_photos/0/0/79/atmel_corporation_tmb.jpg)
Part Number:
Description:
Monolithic Integrated Feature Phone Circuit
Manufacturer:
ATMEL Corporation
Datasheet:
![TDA4470](/images/manufacturer_photos/0/0/79/atmel_corporation_tmb.jpg)
Part Number:
Description:
Multistandard Video-IF and Quasi Parallel Sound Processing
Manufacturer:
ATMEL Corporation
Datasheet:
![ATF22V10B-25PC](/images/manufacturer_photos/0/0/79/atmel_corporation_tmb.jpg)
Part Number:
Description:
High-performance EE PLD
Manufacturer:
ATMEL Corporation
Datasheet:
![AT89C51ED2-IM](/images/manufacturer_photos/0/0/79/atmel_corporation_tmb.jpg)
Part Number:
Description:
8-bit Flash Microcontroller
Manufacturer:
ATMEL Corporation
Datasheet:
![AT24C01](/images/manufacturer_photos/0/0/79/atmel_corporation_tmb.jpg)
Part Number:
Description:
2-Wire Serial EEPROM
Manufacturer:
ATMEL Corporation
Datasheet:
![U6046B](/images/manufacturer_photos/0/0/79/atmel_corporation_tmb.jpg)
Part Number:
Description:
U6046BREAR WINDOW HEATING TIMER / LONG-TERM TIMER
Manufacturer:
ATMEL Corporation
Datasheet: