ATUC64L4U Atmel Corporation, ATUC64L4U Datasheet - Page 17

• 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

Table 3-7.
Note:
Table 3-8.
32142AS–12/2011
Signal Name
VDDCORE
VDDIO
VDDANA
ADVREFP
VDDIN
GNDANA
GND
MCKO
MDO5 - MDO0
MSEO1 - MSEO0
B1
B2
CLK0
CLK1
CLK2
TWALM
TWCK
TWD
CLK
CTS
RTS
RXD
TXD
1. ADCIFB: AD3 does not exist.
Universal Synchronous Asynchronous Receiver Transmitter - USART0, USART1, USART2, USART3
Signal Descriptions List
Signal Description List, Continued
Function
Core Power Supply / Voltage Regulator Output
I/O Power Supply
Analog Power Supply
Analog Reference Voltage
Voltage Regulator Input
Analog Ground
Ground
Trace Data Output Clock
Trace Data Output
Trace Frame Control
Channel 1 Line B
Channel 2 Line B
Channel 0 External Clock Input
Channel 1 External Clock Input
Channel 2 External Clock Input
SMBus SMBALERT
Two-wire Serial Clock
Two-wire Serial Data
Clock
Clear To Send
Request To Send
Receive Data
Transmit Data
Two-wire Interface - TWIMS0, TWIMS1
Auxiliary Port - AUX
Power
Input/Output
Power Input
Power Input
Power Input
Power Input
Output
Output
Input
Input
Input
Input
Input
I/O
Ground
Ground
I/O
I/O
I/O
I/O
I/O
Output
Output
Output
Power
Type
ATUC64/128/256L3/4U
Low
Low
Low
Active
Level
Comments
1.62V to 1.98V
1.62V to 3.6V. VDDIO should
always be equal to or lower than
VDDIN.
1.62V to 1.98V
1.62V to 1.98V
1.62V to 3.6V
(1)
17