AT91SAM7SE256B-CU Atmel, AT91SAM7SE256B-CU Datasheet - Page 324

• Manufacturer Part Number: AT91SAM7SE256B-CU
• Description: IC ARM7 MCU FLASH 256K 144-LFBGA
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91SAM7SE256B-CU

• 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: *
• Core: ARM7TDMI
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details

31.2
31.3
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Block Diagram
Application Block Diagram
SAM7SE512/256/32 Preliminary
Figure 31-1. Block Diagram
Figure 31-2. Application Block Diagram: Single Master/Multiple Slave Implementation
APB
PMC
SPI Master
MCK
SPCK
MISO
MOSI
NPCS0
NPCS1
NPCS2
NPCS3
NC
Interrupt Control
SPI Interface
SPI Interrupt
PDC
PIO
SPCK
MISO
MOSI
NSS
SPCK
MISO
MOSI
NSS
SPCK
MISO
MOSI
NSS
6222F–ATARM–14-Jan-11
Slave 0
Slave 1
Slave 2
SPCK
MISO
MOSI
NPCS0/NSS
NPCS1
NPCS2
NPCS3