SAM7X256 Atmel Corporation, SAM7X256 Datasheet - Page 393

• 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

6120I–ATARM–06-Apr-11
Figure 32-2. Clock Chaining Selection
Figure 32-3. Clock Selection
TCLK0
TCLK1
TCLK2
TIMER_CLOCK1
TIMER_CLOCK2
TIMER_CLOCK3
TIMER_CLOCK4
TIMER_CLOCK5
XC0
XC1
XC2
TIOA1
TIOA2
TIOA0
TIOA2
TIOA0
TIOA1
1
TCCLKS
TC0XC0S
TC1XC1S
TC2XC2S
BURST
XC0
XC1 = TCLK1
XC2 = TCLK2
XC0 = TCLK2
XC1
XC2 = TCLK2
XC0 = TCLK0
XC1 = TCLK1
XC2
Timer/Counter
Timer/Counter
Timer/Counter
Channel 0
Channel 1
Channel 2
SAM7X512/256/128
SYNC
SYNC
SYNC
CLKI
TIOA0
TIOB0
TIOA1
TIOB1
TIOA2
TIOB2
Selected
Clock
393