AT91SAM7S256D-AU Atmel, AT91SAM7S256D-AU Datasheet - Page 275

• Manufacturer Part Number: AT91SAM7S256D-AU
• Description: ARM Microcontrollers - MCU 256K Flash SRAM 64K ARM based MCU
• Manufacturer: Atmel
• Series: SAM7S256r

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

28.6.3.1
Figure 28-5. Master Mode Block Diagram
Master Mode Block Diagram
NPCS0
MISO
MCK
SPI_MR
SPI_TDR
PCS
PCS
MSTR
SPI_CSR0..3
SPI_CSR0..3
PS
LSB
Baud Rate Generator
0
1
NCPHA
CPOL
BITS
SCBR
PCSDEC
SPI_CSR0..3
Shift Register
CSAAT
Clock
SPI
SPI_RDR
SPI_TDR
Peripheral
Current
MODFDIS
RD
TD
SPI_RDR
MSB
SAM7S Series [DATASHEET]
OVRES
PCS
RDRF
TDRE
MODF
6175M–ATARM–26-Oct-12
NPCS3
NPCS2
NPCS1
NPCS0
SPCK
MOSI
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