AT32UC3A4128 Atmel Corporation, AT32UC3A4128 Datasheet - Page 13
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AT32UC3A4128
Manufacturer Part Number
AT32UC3A4128
Description
Manufacturer
Atmel Corporation
Datasheets
1.AT32UC3A0128.pdf
(377 pages)
2.AT32UC3A0128.pdf
(33 pages)
3.AT32UC3A0128.pdf
(159 pages)
4.AT32UC3A3128.pdf
(91 pages)
5.AT32UC3A3128.pdf
(1012 pages)
Specifications of AT32UC3A4128
Flash (kbytes)
128 Kbytes
Pin Count
100
Max. Operating Frequency
66 MHz
Cpu
32-bit AVR
Hardware Qtouch Acquisition
No
Usb Transceiver
1
Usb Speed
Hi-Speed
Usb Interface
Device + OTG
Spi
6
Twi (i2c)
2
Uart
4
Sd / Emmc
2
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
8
Adc Resolution (bits)
10
Resistive Touch Screen
No
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
128
Self Program Memory
YES
Dram Memory
No
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
6
Input Capture Channels
6
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
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- AT32UC3A0128 PDF datasheet
- AT32UC3A0128 PDF datasheet #2
- AT32UC3A0128 PDF datasheet #3
- AT32UC3A3128 PDF datasheet #4
- AT32UC3A3128 PDF datasheet #5
- Current page: 13 of 377
- Download datasheet (5Mb)
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
13
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