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AT32UC3A0128-ALUT
AT32UC3A0128-ALUT | |
|---|---|
| Manufacturer Part Number | AT32UC3A0128-ALUT |
| Description | IC MCU AVR32 128KB FLASH 144LQFP |
| Manufacturer | Atmel |
| Series | AVR®32 UC3 |
| AT32UC3A0128-ALUT datasheets |
|
Specifications of AT32UC3A0128-ALUT | |||
|---|---|---|---|
| Core Processor | AVR | Core Size | 32-Bit |
| Speed | 66MHz | Connectivity | EBI/EMI, Ethernet, I²C, SPI, SSC, UART/USART, USB OTG |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT | Number Of I /o | 109 |
| Program Memory Size | 128KB (128K x 8) | Program Memory Type | FLASH |
| Ram Size | 32K x 8 | Voltage - Supply (vcc/vdd) | 1.65 V ~ 1.95 V |
| Data Converters | A/D 8x10b | Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C | Package / Case | 144-LQFP |
| Processor Series | AT32UC3x | Core | AVR32 |
| Data Bus Width | 32 bit | Data Ram Size | 32 KB |
| Interface Type | 2-Wire, RS-485, SPI, USART | Maximum Clock Frequency | 66 MHz |
| Number Of Programmable I/os | 69 | Number Of Timers | 3 |
| Maximum Operating Temperature | + 85 C | Mounting Style | SMD/SMT |
| 3rd Party Development Tools | EWAVR32, EWAVR32-BL, KSK-EVK1100-PL | Development Tools By Supplier | ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT, ATEXTWIFI, ATEVK1100, ATEVK1105 |
| Minimum Operating Temperature | - 40 C | Controller Family/series | AT32UC3A |
| No. Of I/o's | 109 | Ram Memory Size | 32KB |
| Cpu Speed | 66MHz | No. Of Timers | 1 |
| Rohs Compliant | Yes | For Use With | ATEVK1105 - KIT EVAL FOR AT32UC3A0ATAVRONEKIT - KIT AVR/AVR32 DEBUGGER/PROGRMMR770-1008 - ISP 4PORT ATMEL AVR32 MCU SPIATEVK1100 - KIT DEV/EVAL FOR AVR32 AT32UC3A |
| Lead Free Status / RoHS Status | Lead free / RoHS Compliant | Eeprom Size | - |
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PrevNext
6.2
Voltage Regulator
6.2.1
Single Power Supply
The AT32UC3A embeds a voltage regulator that converts from 3.3V to 1.8V. The regulator takes
its input voltage from VDDIN, and supplies the output voltage on VDDOUT. VDDOUT should be
externally connected to the 1.8V domains.
Adequate input supply decoupling is mandatory for VDDIN in order to improve startup stability
and reduce source voltage drop. Two input decoupling capacitors must be placed close to the
chip.
Adequate output supply decoupling is mandatory for VDDOUT to reduce ripple and avoid oscil-
lations. The best way to achieve this is to use two capacitors in parallel between VDDOUT and
GND as close to the chip as possible
Refer to
6.2.2
Dual Power Supply
In case of dual power supply, VDDIN and VDDOUT should be connected to ground to prevent
from leakage current.
32058J–AVR32–04/11
3.3V
C
IN2
1.8V
C
OUT2
Section 38.3 on page 765
for decoupling capacitors values and regulator characteristics
AT32UC3A
VDDIN
1.8V
C
IN1
Regulator
VDDOUT
C
OUT1
VDDIN
VDDOUT
14
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