AT91SAM9G45-EKES Atmel, AT91SAM9G45-EKES Datasheet - Page 431
AT91SAM9G45-EKES
Manufacturer Part Number
AT91SAM9G45-EKES
Description
KIT EVAL FOR AT91SAM9G45
Manufacturer
Atmel
Series
AT91SAM Smart ARMr
Type
MCUr
Datasheets
1.AT91SAM9G45-EKES.pdf
(56 pages)
2.AT91SAM9G45-EKES.pdf
(1218 pages)
3.AT91SAM9G45-EKES.pdf
(66 pages)
Specifications of AT91SAM9G45-EKES
Contents
Board
Processor To Be Evaluated
SAM9G45
Data Bus Width
32 bit
Interface Type
I2C, SPI, UART
Maximum Operating Temperature
+ 50 C
Minimum Operating Temperature
- 10 C
Operating Supply Voltage
1.8 V to 3.3 V
For Use With/related Products
AT91SAM9G45
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
Q4626953
- Current page: 431 of 1218
- Download datasheet (19Mb)
Figure 29-8.
6438F–ATARM–21-Jun-10
(from master)
(from slave)
TXEMPTY
NPCS0
SPCK
TDRE
MOSI
RDRF
MISO
SPI_TDR
Write in
Status Register Flags Behavior
Figure 29-8
Transmission Register Empty (TXEMPTY) status flags behavior within the SPI_SR (Status Reg-
ister) during an 8-bit data transfer in fixed mode and no Peripheral Data Controller involved.
Figure 29-9
of TX buffer (ENDTX), RX Buffer Full (RXBUFF) and TX Buffer Empty (TXBUFE) status flags
behavior within the SPI_SR (Status Register) during an 8-bit data transfer in fixed mode with the
Peripheral Data Controller involved. The PDC is programmed to transfer and receive three data.
The next pointer and counter are not used. The RDRF and TDRE are not shown because these
flags are managed by the PDC when using the PDC.
MSB
1
MSB
shows Transmit Data Register Empty (TDRE), Receive Data Register (RDRF) and
shows Transmission Register Empty (TXEMPTY), End of RX buffer (ENDRX), End
2
6
6
3
5
5
4
4
4
5
3
3
6
6
2
2
7
1
1
shift register empty
AT91SAM9G45
8
LSB
LSB
RDR read
431
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