AT91SAM7S256D-AU Atmel, AT91SAM7S256D-AU Datasheet - Page 418
AT91SAM7S256D-AU
Manufacturer Part Number
AT91SAM7S256D-AU
Description
ARM Microcontrollers - MCU 256K Flash SRAM 64K ARM based MCU
Manufacturer
Atmel
Series
SAM7S256r
Datasheet
1.AT91SAM7S256D-AU.pdf
(775 pages)
Specifications of AT91SAM7S256D-AU
Rohs
yes
Core
ARM
Processor Series
AT91SAM
Data Bus Width
16 bit/32 bit
Maximum Clock Frequency
55 MHz
Program Memory Size
256 KB
Data Ram Size
64 KB
On-chip Adc
Yes
Operating Supply Voltage
3 V to 3.6 V
Operating Temperature Range
- 40 C to + 85 C
Package / Case
LQFP-64
Mounting Style
SMD/SMT
Interface Type
2-Wire, I2S, SPI, USART
Length
7 mm
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32.6.7
compares at each new sample the last bits received at the Compare 0 pattern contained in the Compare 0 Register
(SSC_RC0R). When this start event is selected, the user can program the Receiver to start a new data transfer
either by writing a new Compare 0, or by receiving continuously until Compare 1 occurs. This selection is done with
the bit (STOP) in SSC_RCMR.
The data framing format of both the transmitter and the receiver are programmable through the Transmitter Frame
Mode Register (SSC_TFMR) and the Receiver Frame Mode Register (SSC_RFMR). In either case, the user can
independently select:
Additionally, the transmitter can be used to transfer synchronization and select the level driven on the TD pin while
not in data transfer operation. This is done respectively by the Frame Sync Data Enable (FSDEN) and by the Data
Default Value (DATDEF) bits in SSC_TFMR.
• the event that starts the data transfer (START)
• the delay in number of bit periods between the start event and the first data bit (STTDLY)
• the length of the data (DATLEN)
• the number of data to be transferred for each start event (DATNB).
• the length of synchronization transferred for each start event (FSLEN)
• the bit sense: most or lowest significant bit first (MSBF)
Data Format
SAM7S Series [DATASHEET]
6175M–ATARM–26-Oct-12
418
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