AT32UC3L0256 Atmel Corporation, AT32UC3L0256 Datasheet - Page 806

• Manufacturer Part Number: AT32UC3L0256
• Manufacturer: Atmel Corporation

Specifications of AT32UC3L0256

• Flash (kbytes): 256 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 Speed: No
• Usb Interface: No
• Spi: 5
• Twi (i2c): 2
• Uart: 4
• Lin: 4
• 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

32.8.2
Table 32-23. POR18 Characteristics
Note:
32145A–12/2011
Symbol
V
V
t
I
t
DET
POR18
STARTUP
POT+
POT-
1. These values are based on simulation and characterization of other AVR microcontrollers manufactured in the same pro-
Power-on Reset 18 Characteristics
cess technology. These values are not covered by test limits in production.
Parameter
Voltage threshold on V
Voltage threshold on V
Detection time
Current consumption
Startup time
Figure 32-5. POR18 Operating Principle
V
V
(1)
POT+
POT-
(1)
VDDCORE
VDDCORE
rising
falling
Time with VDDCORE < V
necessary to generate a reset
signal
Condition
Time
POT-
AT32UC3L0128/256
Min
1.2
Typ
1.45
1.32
460
4
6
Max
1.58
Units
µA
µs
µs
V
806