ATUC64L4U Atmel Corporation, ATUC64L4U Datasheet - Page 693

• Manufacturer Part Number: ATUC64L4U
• Manufacturer: Atmel Corporation

Specifications of ATUC64L4U

• Flash (kbytes): 64 Kbytes
• Pin Count: 48
• Max. Operating Frequency: 50 MHz
• Cpu: 32-bit AVR
• # Of Touch Channels: 17
• Hardware Qtouch Acquisition: Yes
• Max I/o Pins: 36
• Ext Interrupts: 36
• Usb Transceiver: 1
• Usb Speed: Full Speed
• Usb Interface: Device
• Spi: 1
• Twi (i2c): 2
• Uart: 4
• Lin: 4
• Ssc: 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 8
• Adc Resolution (bits): 12
• Adc Speed (ksps): 460
• Analog Comparators: 8
• Resistive Touch Screen: No
• Temp. Sensor: Yes
• Crypto Engine: No
• Sram (kbytes): 16
• Self Program Memory: YES
• Dram Memory: No
• Nand Interface: No
• Picopower: Yes
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 1.62 to 3.6
• Operating Voltage (vcc): 1.62 to 3.6
• Fpu: No
• Mpu / Mmu: Yes / No
• Timers: 6
• Output Compare Channels: 18
• Input Capture Channels: 12
• Pwm Channels: 35
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: Yes

28.6.12
32142A–12/2011
Frequency Response
SDR1) before 1/F
in SR (SR.TXUR). The interrupt bits in SR are cleared by writing a one to the corresponding bit
in the Status Clear Register (SCR).
Figure
frequency used is 48 kHz, but the response will be the same for other sampling frequencies,
always having the first zero at F
Figure 28-4. Passband Frequency Response
Figure 28-4
S
second, or an underrun will occur, as indicated by the Underrun Interrupt bit
to
Figure 28-7
S
.
show the frequency response for the system. The sampling
ATUC64/128/256L3/4U
693