AT32UC3B0256-Z2UT Atmel, AT32UC3B0256-Z2UT Datasheet - Page 72
AT32UC3B0256-Z2UT
Manufacturer Part Number
AT32UC3B0256-Z2UT
Description
IC MCU AVR32 256KB FLASH 64-QFN
Manufacturer
Atmel
Series
AVR®32 UC3r
Specifications of AT32UC3B0256-Z2UT
Core Processor
AVR
Core Size
32-Bit
Speed
60MHz
Connectivity
I²C, IrDA, SPI, SSC, UART/USART, USB
Peripherals
Brown-out Detect/Reset, DMA, POR, PWM, WDT
Number Of I /o
44
Program Memory Size
256KB (256K 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
64-QFN
Processor Series
AT32UC3x
Core
AVR32
Data Bus Width
32 bit
Data Ram Size
32 KB
Interface Type
2-Wire, SPI, USART
Maximum Clock Frequency
60 MHz
Number Of Programmable I/os
44
Number Of Timers
3
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWAVR32, EWAVR32-BL
Development Tools By Supplier
ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT, ATEXTWIFI, ATEVK1101
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 8 Channel
Package
64QFN EP
Device Core
AVR32
Family Name
AT32
Maximum Speed
60 MHz
Operating Supply Voltage
1.8|3.3 V
For Use With
ATAVRONEKIT - KIT AVR/AVR32 DEBUGGER/PROGRMMR770-1008 - ISP 4PORT ATMEL AVR32 MCU SPIATSTK600-TQFP64-2 - STK600 SOCKET/ADAPTER FOR 64-TQFATEVK1101 - KIT DEV/EVAL FOR AVR32 AT32UC3B
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT32UC3B0256-Z2UT
Manufacturer:
ATMEL
Quantity:
444
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10. Real Time Counter (RTC)
10.1
10.2
10.3
Figure 10-1. Real Time Counter Block Diagram
10.4
32059K–03/2011
Features
Overview
Block Diagram
Product Dependencies
CLK_32
RCSYS
CLK32
1
0
CTRL
Rev: 2.3.1.1
•
•
•
•
•
•
•
The Real Time Counter (RTC) enables periodic interrupts at long intervals, or accurate mea-
surement of real-time sequences. The RTC is fed from a 16-bit prescaler, which is clocked from
the system RC oscillator or the 32KHz crystal oscillator. Any tapping of the prescaler can be
selected as clock source for the RTC, enabling both high resolution and long timeouts. The pres-
caler cannot be written directly, but can be cleared by the user.
The RTC can generate an interrupt when the counter wraps around the value stored in the top
register (TOP), producing accurate periodic interrupts.
In order to use this module, other parts of the system must be configured correctly, as described
below.
32-bit real-time counter with 16-bit prescaler
Clocked from RC oscillator or 32KHz oscillator
Long delays
High resolution: Max count frequency 16KHz
Extremely low power consumption
Available in all sleep modes except Static
Interrupt on wrap
16-bit Prescaler
EN
– Max timeout 272years
PSEL
32-bit counter
TOP
VAL
TOPI
AT32UC3B
IRQ
72
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