AT91SAM7SE256B-CUR Atmel, AT91SAM7SE256B-CUR Datasheet - Page 329

• Manufacturer Part Number: AT91SAM7SE256B-CUR
• Description: IC ARM7 MCU FLASH 256K 128-LQFP
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91SAM7SE256B-CUR

• Core Processor: ARM7
• Core Size: 16/32-Bit
• Speed: 55MHz
• Connectivity: EBI/EMI, I²C, SPI, SSC, UART/USART, USB
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 88
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 32K x 8
• Voltage - Supply (vcc/vdd): 1.65 V ~ 1.95 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Processor Series: SAM7SE256
• Core: ARM7TDMI
• Data Bus Width: 32 bit
• Data Ram Size: 32 KB
• Interface Type: SPI, USB
• Maximum Clock Frequency: 48 MHz
• Number Of Programmable I/os: 88
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Operating Temperature Range: - 40 C to + 85 C
• Processor To Be Evaluated: AT91SAM7SE256B
• Supply Current (max): 60 uA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details

31.6.3.1
6222F–ATARM–14-Jan-11
Master Mode Block Diagram
Figure 31-5. 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
SAM7SE512/256/32 Preliminary
SCBR
PCSDEC
SPI_CSR0..3
Shift Register
CSAAT
Clock
SPI
SPI_RDR
SPI_TDR
Peripheral
Current
MODFDIS
RD
TD
SPI_RDR
MSB
OVRES
PCS
RDRF
TDRE
MODF
NPCS3
NPCS2
NPCS1
NPCS0
SPCK
MOSI
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