AT32UC3L0128 Atmel Corporation, AT32UC3L0128 Datasheet - Page 159
AT32UC3L0128
Manufacturer Part Number
AT32UC3L0128
Description
Manufacturer
Atmel Corporation
Datasheets
1.AT32UC3A0128.pdf
(377 pages)
2.AT32UC3A0128.pdf
(159 pages)
3.AT32UC3L0128.pdf
(85 pages)
4.AT32UC3L0128.pdf
(852 pages)
Specifications of AT32UC3L0128
Flash (kbytes)
128 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
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12.6.6
32145A–12/2011
Reset Controller
The Reset Controller collects the various reset sources in the system and generates hard and
soft resets for the digital logic.
The device contains a Power-on Reset (POR) detector, which keeps the system reset until
power is stable. This eliminates the need for external reset circuitry to guarantee stable opera-
tion when powering up the device.
It is also possible to reset the device by pulling the RESET_N pin low. This pin has an internal
pull-up, and does not need to be driven externally during normal operation.
159
Figure 12-3. Reset Controller Block Diagram
In addition to the listed reset types, the JTAG & aWire can keep parts of the device statically
reset. See JTAG and aWire documentation for details.
Table 12-6.
Reset Source
Power-on Reset
External Reset
Brown-out Reset
Power-on Reset
SM33 Detector
lists these and other reset sources supported by the Reset Controller.
RESET_N
Detector(s)
Brown-out
Detector
Watchdog Reset
Reset Description
AWIRE
JTAG
OCD
Description
Supply voltage below the Power-on Reset detector threshold
voltage V
RESET_N pin asserted
VDDCORE supply voltage below the Brown-out detector
threshold voltage
POT
Controller
RCAUSE
Reset
AT32UC3L0128/256
CPU, HSB, PBx
OCD, AST, WDT,
Clock Generator
Table 12-6 on page
159
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