AT32UC3L0256 Atmel Corporation, AT32UC3L0256 Datasheet - Page 185

• 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

12.8
Table 12-16. Effect of the Different Reset Events
32145A–12/2011
CPU/HSB/PBx
(excluding Power Manager)
32KHz oscillator
RC Oscillator Calibration register
Other oscillator control registers
AST registers, except interrupt
registers
Watchdog control register
Voltage Calibration register
SM33 control register
BOD control register
Clock control registers
OCD system and OCD registers
Module Configuration
The specific configuration for each PM instance is listed in the following tables. The module bus
clocks listed here are connected to the system bus clocks. Please refer to the “Synchronous
Clocks”, “Peripheral Clock Masking” and “Sleep Modes” sections for details.
Table 12-14. Power Manager Clocks
Table 12-15. Register Reset Values
Clock Name
CLK_PM
Register
VERSION
Power-on
Reset
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
External
Reset
Y
N
N
Y
N
Y
N
Y
Y
Y
Y
Watchdog
Reset
N
N
N
N
N
N
Y
Y
Y
Y
Y
Description
Clock for the PM bus interface
Reset Value
0x00000420
BOD
Reset
Y
N
N
Y
N
Y
N
Y
N
Y
Y
SM33
Reset
AT32UC3L0128/256
Y
N
N
Y
N
Y
N
Y
Y
Y
Y
CPU Error
Reset
N
N
N
N
Y
Y
Y
Y
Y
Y
Y
OCD
Reset
Y
N
N
Y
N
Y
N
Y
Y
Y
N
JTAG
Reset
Y
N
N
Y
N
Y
N
Y
Y
Y
Y
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