AT32UC3A3128 Atmel Corporation, AT32UC3A3128 Datasheet - Page 13

• Manufacturer Part Number: AT32UC3A3128
• Manufacturer: Atmel Corporation

Specifications of AT32UC3A3128

• Flash (kbytes): 128 Kbytes
• Pin Count: 144
• Max. Operating Frequency: 66 MHz
• Cpu: 32-bit AVR
• # Of Touch Channels: 32
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 110
• Ext Interrupts: 110
• Usb Transceiver: 1
• Usb Speed: Hi-Speed
• Usb Interface: Device + OTG
• Spi: 6
• Twi (i2c): 2
• Uart: 4
• Lin: 4
• Ssc: 1
• Sd / Emmc: 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): 128
• Self Program Memory: YES
• External Bus Interface: 1
• Dram Memory: sdram
• Nand Interface: Yes
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 3.0 to 3.6
• Operating Voltage (vcc): 3.0 to 3.6
• Fpu: No
• Mpu / Mmu: Yes / No
• Timers: 6
• Output Compare Channels: 18
• Input Capture Channels: 12
• Pwm Channels: 12
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: Yes

32000D–04/2011
EM - Exception mask
I3M - Interrupt level 3 mask
I2M - Interrupt level 2 mask
I1M - Interrupt level 1 mask
I0M - Interrupt level 0 mask
GM - Global Interrupt Mask
Table 2-5.
When this bit is set, exceptions are masked. Exceptions are enabled otherwise. The bit is auto-
matically set when exception processing is initiated or Debug Mode is entered. Software may
clear this bit after performing the necessary measures if nested exceptions should be supported.
This bit is set at reset.
When this bit is set, level 3 interrupts are masked. If I3M and GM are cleared, INT3 interrupts
are enabled. The bit is automatically set when INT3 processing is initiated. Software may clear
this bit after performing the necessary measures if nested INT3s should be supported. This bit is
cleared at reset.
When this bit is set, level 2 interrupts are masked. If I2M and GM are cleared, INT2 interrupts
are enabled. The bit is automatically set when INT3 or INT2 processing is initiated. Software
may clear this bit after performing the necessary measures if nested INT2s should be supported.
This bit is cleared at reset.
When this bit is set, level 1 interrupts are masked. If I1M and GM are cleared, INT1 interrupts
are enabled. The bit is automatically set when INT3, INT2 or INT1 processing is initiated. Soft-
ware may clear this bit after performing the necessary measures if nested INT1s should be
supported. This bit is cleared at reset.
When this bit is set, level 0 interrupts are masked. If I0M and GM are cleared, INT0 interrupts
are enabled. The bit is automatically set when INT3, INT2, INT1 or INT0 processing is initiated.
Software may clear this bit after performing the necessary measures if nested INT0s should be
supported. This bit is cleared at reset.
When this bit is set, all interrupts are disabled. This bit overrides I0M, I1M, I2M and I3M. The bit
is automatically set when exception processing is initiated, Debug Mode is entered, or a Java
trap is taken. This bit is automatically cleared when returning from a Java trap. This bit is set
after reset.
M2
1
1
1
1
0
0
0
0
Mode bit settings
M1
1
1
0
0
1
1
0
0
M0
1
0
1
0
1
0
1
0
Mode
Non Maskable Interrupt
Exception
Interrupt level 3
Interrupt level 2
Interrupt level 1
Interrupt level 0
Supervisor
Application
AVR32
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