AT32UC3L064-AUT Atmel, AT32UC3L064-AUT Datasheet - Page 605
![MCU AVR32 64KB FLASH 48TQFP](/photos/6/82/68248/313-48-vqfp_sml.jpg)
AT32UC3L064-AUT
Manufacturer Part Number
AT32UC3L064-AUT
Description
MCU AVR32 64KB FLASH 48TQFP
Manufacturer
Atmel
Series
AVR®32 UC3r
Datasheets
1.ATAVRONE-PROBECBL.pdf
(16 pages)
2.AT32UC3L-EK.pdf
(858 pages)
3.AT32UC3L016-D3HT.pdf
(110 pages)
Specifications of AT32UC3L064-AUT
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
64KB (64K x 8)
Program Memory Type
FLASH
Ram Size
16K 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-TQFP, 48-VQFP
Processor Series
AT32UC3x
Core
AVR32
Data Bus Width
32 bit
Data Ram Size
16 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
9-ch x 10-bit
Package
48TQFP
Device Core
AVR32
Family Name
AT32
Maximum Speed
50 MHz
Operating Supply Voltage
1.8|3.3 V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT32UC3L064-AUT
Manufacturer:
HONGFA
Quantity:
30 000
Part Number:
AT32UC3L064-AUT
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
- Current page: 605 of 858
- Download datasheet (13Mb)
26.6.10
26.6.11
32099F–11/2010
ADC Conversion
Analog Compare Mode
The Sample and Hold time has to be programmed through the SHTIM field in the ADC Configu-
ration Register (ACR). This field can define a Sample and Hold time between 1 and 16
CLK_ADC cycles.
ADC conversions are performed on all enabled channels when a trigger condition is detected.
For details regarding trigger conditions see
a specific analog input pin so it can be included or excluded in an Analog-to-Digital conversion
sequence and to identify which AD pin was used to convert the current value in the Last Con-
verted Data Register (LCDR). Channel number N corresponding to AD pin number N.
Channels are enabled by writing a one to the corresponding bit in the Channel Enable Register
(CHER), and disabled by writing a one to the corresponding bit in the Channel Disable Register
(CHDR). Active channels are listed in the Channel Status Register (CHSR).
When a conversion sequence is started, all enabled channels will be converted in one sequence
and the result will be placed in the Last Converted Data Register (LCDR) with the channel num-
ber used to produce the result. It is important to read out the results while the conversion
sequence is ongoing, as new values will automatically overwrite any old value and the old value
will be lost if not previously read by the user.
If the Analog-to-Digital Converter cell is inactive when starting a conversion sequence, the con-
version logic will wait a configurable number of CLK_ADC cycles as defined in the startup time
field in the ADC Configuration Register (ACR). After the cell is activated all enabled channels is
converted one by one until no more enabled channels exist. The conversion sequence converts
each enabled channel in order starting with the channel with the lowest channel number. If the
ACR.SLEEP bit is one, the Analog-to-Digital Converter cell is deactivated after the conversion
sequence has finished.
For each channel converted, the ADCIFB waits a Sample and Hold number of CLK_ADC cycles
as defined in the SHTIM field in ACR, and then instructs the Analog-to-Digital Converter cell to
start converting the analog voltage. The ADC cell requires 10 CLK_ADC cycles to actually con-
vert the value, so the total time to convert a channel is Sample and Hold + 10 CLK_ADC cycles.
The ADCIFB can test if the converted values, as they become available, are below, above, or
inside a specified range and generate interrupt requests based on this information. This is useful
for applications where the user wants to monitor some external analog signal and only initiate
actions if the value is above, below, or inside some specified range.
The Analog Compare mode is enabled by writing a one to the Analog Compare Enable (ACE) bit
in the Mode Register (MR). The values to compare must be written to the Low Value (LV) field
and the High Value (HV) field in the Compare Value Register (CVR). The Analog Compare
mode will, when enabled, check all enabled channels against the pre-programmed high and low
values and set status bits.
To generate an interrupt request if a converted value is below a limit, write the limit to the
CVR.LV field and enable interrupt request on the Compare Lesser Than (CLT) bit by writing a
one to the corresponding bit in the Interrupt Enable Register (IER). To generate an interrupt
request if a converted value is above a limit, write the limit to the CVR.HV field and enable inter-
rupt for Compare Greater Than (CGT) bit. To generate an interrupt request if a converted value
is inside a range, write the low and high limit to the LV and HV fields and enable the Compare
Section
26.8.1. The term channel is used to identify
AT32UC3L016/32/64
605
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