SAM7X256 Atmel Corporation, SAM7X256 Datasheet - Page 18

• Manufacturer Part Number: SAM7X256
• Manufacturer: Atmel Corporation

Specifications of SAM7X256

• Flash (kbytes): 256 Kbytes
• Pin Count: 100
• Max. Operating Frequency: 55 MHz
• Cpu: ARM7TDMI
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 62
• Ext Interrupts: 62
• Usb Transceiver: 1
• Usb Speed: Full Speed
• Usb Interface: Device
• Spi: 2
• Twi (i2c): 1
• Uart: 3
• Can: 1
• Ssc: 1
• Ethernet: 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): 64
• Self Program Memory: NO
• Dram Memory: No
• Nand Interface: No
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 3.3
• Operating Voltage (vcc): 3.0 to 3.6
• Fpu: No
• Mpu / Mmu: no / no
• Timers: 3
• Output Compare Channels: 3
• Input Capture Channels: 3
• Pwm Channels: 4
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: No

Figure 8-1.
18
0x0FFF FFFF
0x0000 0000
0x1000 0000
0xF000 0000
0xEFFF FFFF
0xFFFF FFFF
SAM7X512/256/128
SAM7X512/256/128 Memory Mapping
Address Memory Space
Internal Peripherals
Internal Memories
Undefined
(Abort)
256 MBytes
14 x 256 MBytes
3,584 MBytes
256 MBytes
0xFFFC BFFF
0xFFFD BFFF
0xFFFB BFFF
0xFFFB FFFF
0xFFFC 3FFF
0xFFFC 7FFF
0xFFFC C000
0xFFFC FFFF
0xFFFD 3FFF
0xFFFD 7FFF
0xFFFD C000
0xFFFD FFFF
0xFFF9 FFFF
0xFFFA FFFF
0xFFFB 3FFF
0xFFFB 7FFF
0xFFFB C000
0xFFFE 3FFF
0xFFFE 7FFF
0xFFFA 3FFF
0xFFFC 0000
0xFFFC 4000
0xFFFC 8000
0xFFFD 0000
0xFFFD 4000
0xFFFD 8000
0xFFFF EFFF
0xFFFA 0000
0xFFFA 4000
0xFFFB 0000
0xFFFB 4000
0xFFFB 8000
0xFFFE 0000
0xFFFE 4000
0xFFFE 8000
0xFFFF FFFF
0xFFFF F000
0xF000 0000
0x0FFF FFFF
0x0000 0000
0x0010 0000
0x0020 0000
0x0030 0000
0x0040 0000
0x000F FFF
0x001F FFF
0x002F FFF
0x003F FFF
Peripheral Mapping
TC0, TC1, TC2
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
USART0
USART1
Internal Memory Mapping
PWMC
EMAC
SYSC
UDP
CAN
SSC
ADC
SPI0
SPI1
TWI
Flash before Remap
SRAM after Remap
Boot Memory (1)
Internal SRAM
Internal Flash
Internal ROM
Reserved
16 Kbytes
16 Kbytes
16 Kbytes
16 Kbytes
16 Kbytes
16 Kbytes
16 Kbytes
16 Kbytes
16 Kbytes
16 Kbytes
16 Kbytes
16 Kbytes
1 MBytes
1 MBytes
1 MBytes
1 MBytes
252 MBytes
0xFFFF FCFF
0xFFFF FBFF
0xFFFF FC00
0xFFFF FD00
0xFFFF FD0F
0xFFFF FD20
0xFFFF FC2F
0xFFFF FD30
0xFFFF FC3F
0xFFFF FD40
0xFFFF FD4F
0xFFFF FD60
0xFFFF FC6F
0xFFFF FD70
0xFFFF FEFF
0xFFFF FFFF
0xFFFF F1FF
0xFFFF F3FF
0xFFFF F5FF
0xFFFF F7FF
0xFFFF F000
0xFFFF F200
0xFFFF F400
0xFFFF F600
0xFFFF F800
0xFFFF FF00
Note:
(1) Can be ROM, Flash or SRAM
depending on GPNVM2 and REMAP
System Controller Mapping
Reserved
Reserved
Reserved
Reserved
DBGU
RSTC
VREG
PIOA
PIOB
PMC
WDT
RTT
AIC
PIT
MC
512 Bytes/128 registers
512 Bytes/128 registers
4 Bytes/1 register
512 Bytes/128 registers
512 Bytes/128 registers
256 Bytes/64 registers
16 Bytes/4 registers
16 Bytes/4 registers
16 Bytes/4 registers
16 Bytes/4 registers
256 Bytes/64 registers
6120I–ATARM–06-Apr-11