AT91SAM7SE256B-CUR Atmel, AT91SAM7SE256B-CUR Datasheet - Page 669

• 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

25 AT91SAM Boot Program ..................................................................... 229
26 Peripheral DMA Controller (PDC) ....................................................... 235
27 Advanced Interrupt Controller (AIC) .................................................. 245
28 Clock Generator ................................................................................... 271
29 Power Management Controller (PMC) ................................................ 275
6222F–ATARM–14-Jan-11
25.1 Overview ............................................................................................................229
25.2 Flow Diagram ....................................................................................................229
25.3 Device Initialization ............................................................................................229
25.4 SAM-BA Boot ....................................................................................................230
25.5 Hardware and Software Constraints ..................................................................233
26.1 Overview ............................................................................................................235
26.2 Block Diagram ...................................................................................................235
26.3 Functional Description .......................................................................................236
26.4 Peripheral DMA Controller (PDC) User Interface .............................................238
27.1 Overview ............................................................................................................245
27.2 Block Diagram ...................................................................................................245
27.3 Application Block Diagram .................................................................................246
27.4 AIC Detailed Block Diagram ..............................................................................246
27.5 I/O Line Description ...........................................................................................246
27.6 Product Dependencies ......................................................................................247
27.7 Functional Description .......................................................................................248
27.8 Advanced Interrupt Controller (AIC) User Interface ...........................................260
28.1 Overview ............................................................................................................271
28.2 Slow Clock RC Oscillator ...................................................................................271
28.3 Main Oscillator ...................................................................................................271
28.4 Divider and PLL Block .......................................................................................273
29.1 Overview ............................................................................................................275
29.2 Master Clock Controller .....................................................................................275
29.3 Processor Clock Controller ................................................................................276
29.4 USB Clock Controller .........................................................................................276
29.5 Peripheral Clock Controller ................................................................................276
29.6 Programmable Clock Output Controller .............................................................277
29.7 Programming Sequence ....................................................................................277
29.8 Clock Switching Details .....................................................................................281
29.9 Power Management Controller (PMC) User Interface ......................................284
SAM7SE512/256/32 Preliminary
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