AT91SAM7SE256-CU Atmel, AT91SAM7SE256-CU Datasheet - Page 669

• Manufacturer Part Number: AT91SAM7SE256-CU
• Description: IC ARM7 MCU FLASH 256K 144-LFBGA
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91SAM7SE256-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: 144-LFBGA
• Processor Series: AT91SAMx
• Core: ARM7TDMI
• Data Bus Width: 32 bit
• Data Ram Size: 32 KB
• Interface Type: EBI, SPI, TWI, USART
• Maximum Clock Frequency: 48 MHz
• Number Of Programmable I/os: 32
• Number Of Timers: 3
• Operating Supply Voltage: 1.8 V to 3.3 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: JTRACE-ARM-2M, KSK-AT91SAM7S-PL, MDK-ARM, RL-ARM, ULINK2
• Development Tools By Supplier: AT91SAM-ICE, AT91-ISP, AT91SAM7SE-EK
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit
• For Use With: AT91SAM7SE-EK - EVAL BOARD FOR AT91SAM7SEAT91SAM-ICE - EMULATOR FOR AT91 ARM7/ARM9
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details
• Other names: AT91SAM7SE256-CJ; AT91SAM7SE256-CJ

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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