AT91RM3400-DK Atmel, AT91RM3400-DK Datasheet - Page 237
AT91RM3400-DK
Manufacturer Part Number
AT91RM3400-DK
Description
KIT DEV FOR AT91RM3400
Manufacturer
Atmel
Series
AT91SAM Smart ARMr
Type
MCUr
Datasheets
1.AT91RM3400-DK.pdf
(461 pages)
2.AT91RM3400-DK.pdf
(2 pages)
3.AT91RM3400-DK.pdf
(25 pages)
Specifications of AT91RM3400-DK
Contents
Evaluation Board, Software and Documentation
Processor To Be Evaluated
AT91RM3400
Data Bus Width
32 bit
Interface Type
RS-232, USB
For Use With/related Products
AT91RM3400
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
- Current page: 237 of 461
- Download datasheet (6Mb)
SPI Slave Mode
1790A–ATARM–11/03
In Slave Mode, the SPI waits for NSS to go active low before receiving the serial clock from an
external master.
In Slave Mode, CPOL, NCPHA and BITS fields of SPI_CSR0 are used to define the transfer
characteristics. The other Chip Select Registers are not used in Slave Mode.
In Slave Mode, the low and high pulse durations of the input clock on SPCK must be longer
than two Master Clock periods.
Figure 76. Slave Mode Block Diagram
SPCK
SPIDIS
NSS
MOSI
SPIEN
S
R
Q
LSB
SPI_RDR
SPI_TDR
Serializer
RD
TD
MSB
SPI_IMR
SPI_IDR
SPI_IER
SPI_SR
S
P
E
N
S
I
D
R
E
T
AT91RM3400
R
D
R
F
O
V
R
E
SPI Interrupt
MISO
237
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