AT32UC3A1256AU Atmel Corporation, AT32UC3A1256AU Datasheet - Page 49

• Manufacturer Part Number: AT32UC3A1256AU
• Manufacturer: Atmel Corporation

Specifications of AT32UC3A1256AU

• Flash (kbytes): 256 Kbytes
• Pin Count: 100
• Max. Operating Frequency: 66 MHz
• Cpu: 32-bit AVR
• # Of Touch Channels: 32
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 69
• Ext Interrupts: 69
• Usb Transceiver: 1
• Usb Speed: Full Speed
• Usb Interface: Device + OTG
• Spi: 6
• Twi (i2c): 1
• Uart: 4
• 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
• Dac Channels: 2
• Dac Resolution (bits): 16
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 64
• Self Program Memory: YES
• Dram Memory: No
• Nand Interface: No
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 3.0-3.6 or (1.65-1.95+3.0-3.6)
• Operating Voltage (vcc): 3.0-3.6 or (1.65-1.95+3.0-3.6)
• Fpu: No
• Mpu / Mmu: Yes / No
• Timers: 10
• Output Compare Channels: 16
• Input Capture Channels: 6
• Pwm Channels: 13
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: Yes

32058KS–AVR32–01/12
12.8
Table 12-17. Channel Conversion Time and ADC Clock
Notes:
Table 12-18. External Voltage Reference Input
Table 12-19. Analog Inputs
Table 12-20. Transfer Characteristics in 8-bit mode
Parameter
ADC Clock Frequency
ADC Clock Frequency
Startup Time
Track and Hold Acquisition Time
Conversion Time
Conversion Time
Throughput Rate
Throughput Rate
Parameter
ADVREF Input Voltage Range
ADVREF Average Current
Current Consumption on VDDANA
Parameter
Input Voltage Range
Input Leakage Current
Input Capacitance
Parameter
Resolution
Absolute Accuracy
Integral Non-linearity
Differential Non-linearity
Offset Error
Gain Error
ADC Characteristics
1. Corresponds to 13 clock cycles at 5 MHz: 3 clock cycles for track and hold acquisition time and 10 clock cycles for
2. Corresponds to 15 clock cycles at 8 MHz: 5 clock cycles for track and hold acquisition time and 10 clock cycles for
conversion.
conversion.
Note:
ADVREF should be connected to GND to avoid extra consumption in case ADC is not used.
Conditions
On 13 samples with ADC Clock = 5 MHz
Conditions
10-bit resolution mode
8-bit resolution mode
Return from Idle Mode
ADC Clock = 5 MHz
ADC Clock = 8 MHz
ADC Clock = 5 MHz
ADC Clock = 8 MHz
Conditions
f=5MHz
f=8MHz
f=5MHz
f=8MHz
f=5MHz
f=8MHz
f=5MHz
f=5MHz
Min
2.6
Min
Min
-0.5
-0.5
600
Min
0
Typ
200
0.35
Typ
Typ
Typ
0.5
0.3
0.5
17
8
AT32UC3A
VDDANA
V
Max
384
533
250
1.25
ADVREF
Max
1.25
Max
Max
1
0.8
1.5
0.5
1.0
0.5
1.0
0.5
0.5
20
5
8
2
(1)
(2)
Units
Units
kSPS
kSPS
Units
µA
Units
MHz
MHz
µA
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
pF
µs
ns
µs
µs
V
Bit
mA
49