SAM7SE256 Atmel Corporation, SAM7SE256 Datasheet - Page 669

• Manufacturer Part Number: SAM7SE256
• Manufacturer: Atmel Corporation

Specifications of SAM7SE256

• Flash (kbytes): 256 Kbytes
• Pin Count: 144
• Max. Operating Frequency: 48 MHz
• Cpu: ARM7TDMI
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 88
• Ext Interrupts: 88
• Usb Transceiver: 1
• Usb Speed: Full Speed
• Usb Interface: Device
• Spi: 1
• Twi (i2c): 1
• Uart: 3
• Ssc: 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 8
• Adc Resolution (bits): 10
• Adc Speed (ksps): 384
• Resistive Touch Screen: No
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 32
• Self Program Memory: NO
• External Bus Interface: 1
• Dram Memory: sdram
• Nand Interface: Yes
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 1.8/3.3
• Operating Voltage (vcc): 3.0 to 3.6
• Fpu: No
• Mpu / Mmu: Yes / No
• Timers: 3
• Output Compare Channels: 3
• Input Capture Channels: 3
• Pwm Channels: 4
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: No

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
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