AT32UC3L016-ZAUT Atmel, AT32UC3L016-ZAUT Datasheet - Page 253
AT32UC3L016-ZAUT
Manufacturer Part Number
AT32UC3L016-ZAUT
Description
IC MCU AVR32 16KB FLASH 48VQFN
Manufacturer
Atmel
Series
AVR®32 UC3r
Datasheet
1.AT32UC3L-EK.pdf
(858 pages)
Specifications of AT32UC3L016-ZAUT
Core Processor
AVR
Core Size
32-Bit
Speed
50MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, DMA, PWM, WDT
Number Of I /o
36
Program Memory Size
16KB (16K x 8)
Program Memory Type
FLASH
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
1.62 V ~ 3.6 V
Data Converters
A/D 9x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
48-VQFN Exposed Pad, 48-HVQFN, 48-SQFN, 48-DHVQFN
Processor Series
AT32UC3x
Core
AVR32
Data Bus Width
32 bit
Data Ram Size
8 KB
Interface Type
SPI, TWI, USART
Maximum Clock Frequency
50 MHz
Number Of Programmable I/os
36
Number Of Timers
7
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWAVR32, EWAVR32-BL
Development Tools By Supplier
AT32UC3L-EK
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 9 Channel
Length
7 mm
Supply Voltage (max)
3.6 V
Supply Voltage (min)
1.62 V
Width
7 mm
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
- Current page: 253 of 858
- Download datasheet (13Mb)
14.5.8
32099F–11/2010
Synchronization
If ADD is ‘1’, the prescaler frequency is increased:
Note that for these formulas to be within an error of 0.01%, it is recommended that the prescaler
bit that is used as the clock for the counter (selected by CR.PSEL) or to trigger the periodic inter-
rupt (selected by PIRn.INSEL) be bit 6 or higher.
As the prescaler and counter operate asynchronously from the user interface, the AST needs a
few clock cycles to synchronize the values written to the CR, CV, SCR, WER, EVE, EVD, PIRn,
ARn, and DTR registers. The Busy bit in the Status Register (SR.BUSY) indicates that the syn-
chronization is ongoing. During this time, writes to these registers will be discarded.
Note that synchronization takes place also if the prescaler is clocked from CLK_AST.
f
TUNED
=
f
0
⎛
⎜
⎜
⎜
⎝
1
+
------------------------------------------------------------------------------- -
roundup
AT32UC3L016/32/64
⎛
⎝
------------------- -
VALUE
256
1
⎞
⎠
⋅
(
2
EXP
)
–
1
⎞
⎟
⎟
⎟
⎠
253
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