ATUC64L4U Atmel Corporation, ATUC64L4U Datasheet - Page 485

• 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

20.8
32142A–12/2011
Module Configuration
The specific configuration for each USART instance is listed in the following tables.The module
bus clocks listed here are connected to the system bus clocks. Please refer to the Power Man-
ager chapter for details.
Table 20-19. USART Configuration
Table 20-20. USART Clocks
Table 20-21. Register Reset Values
Feature
Receiver Time-out Counter Size
(Size of the RTOR.TO field)
DIV Value for divided CLK_USART
Module Name
USART0
USART1
USART2
USART3
Register
VERSION
Clock Name
CLK_USART0
CLK_USART1
CLK_USART2
CLK_USART3
USART0
17 bit
8
Reset Value
0x00000440
USART1
ATUC64/128/256L3/4U
17 bit
8
Description
Clock for the USART0 bus interface
Clock for the USART1 bus interface
Clock for the USART2 bus interface
Clock for the USART3 bus interface
USART2
17 bit
8
USART3
17 bit
8
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