ATUC64L4U Atmel Corporation, ATUC64L4U Datasheet - Page 914

• 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

35.9.6.2
Table 35-31. Transfer Characteristics 12-bit Resolution Mode
Note:
Table 35-32. Transfer Characteristics, 10-bit Resolution Mode
32142A–12/2011
Parameter
Resolution
Integral non-linearity
Differential non-linearity
Offset error
Gain error
Parameter
Resolution
Integral non-linearity
Differential non-linearity
Offset error
Gain error
1. These values are based on simulation and characterization of other AVR microcontrollers manufactured in the same pro-
cess technology. These values are not covered by test limits in production.
Applicable Conditions and Derating Data
(
sample and hold time.
Figure 35-8. ADC Input
The minimum sample and hold time (in ns) can be found using this formula:
Where n is the number of bits in the conversion.
ADCIFB ACR register. Please refer to the ADCIFB chapter for more information.
t
SAMPLEHOLD
C
V
SOURCE
IN
) of the PCB and source must be taken into account when calculating the required
R
R
SOURCE
ONCHIP
Conditions
ADC clock frequency = 6MHz,
Input Voltage Range = 0 - V
ADC clock frequency = 6MHz,
Input Voltage Range = (10% V
(90% V
ADC clock frequency = 6MHz
Conditions
ADC clock frequency = 6MHz
Figure 35-8
+
ADVREFP
R
SOURCE
C
)
SOURCE
Positive Input
shows the ADC input channel equivalent circuit.
(1)
(1)
C
ONCHIP
ADVREFP
ADVREFP
+
C
t
SOURCE
SAMPLEHOLD
) -
ATUC64/128/256L3/4U
R
ONCHIP
Min
-1.5
Min
-1.0
ln
2
is defined by the SHTIM field in the
n
+
1
Typ
+/-4
+/-2
+/-3
+/-5
Typ
+/-1
+/-1
+/-2
12
10
C
ONCHIP
Max
Max
ADCVREFP/2
1.5
1.0
Units
Units
LSB
LSB
Bit
Bit
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