ATMEGA16HVA-4CKU Atmel, ATMEGA16HVA-4CKU Datasheet - Page 106
ATMEGA16HVA-4CKU
Manufacturer Part Number
ATMEGA16HVA-4CKU
Description
MCU AVR 16K FLASH 4MHZ 36-LGA
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheet
1.ATMEGA16HVA-4CKU.pdf
(196 pages)
Specifications of ATMEGA16HVA-4CKU
Core Processor
AVR
Core Size
8-Bit
Speed
4MHz
Connectivity
SPI
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
7
Program Memory Size
16KB (8K x 16)
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 9 V
Data Converters
A/D 5x12b
Oscillator Type
External
Operating Temperature
-20°C ~ 85°C
Package / Case
36-LGA
Processor Series
ATMEGA16x
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
512 B
Interface Type
SPI
Maximum Clock Frequency
4 MHz
Number Of Programmable I/os
6
Number Of Timers
2
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWAVR, EWAVR-BL
Development Tools By Supplier
ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT, ATAVRSB200, ATAVRSB201
Minimum Operating Temperature
- 20 C
On-chip Adc
12 bit, 5 Channel
For Use With
ATSTK600 - DEV KIT FOR AVR/AVR32ATSTK500 - PROGRAMMER AVR STARTER KIT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Figure 19-3. Accumulation Current Conversions
19.4
Figure 19-4. Regular Current Detection Mode (CADSE=1)
106
Enable
Accumulation
Interrupt
Accumulation
Data
Read byte 1
Read byte 2
Read byte 3
Read byte 4
Regular Current
Detection Operation
Regular Current
Detection Interupt
Regular Discharge
Current Threshold
Regular Charge
Current Threshold
Regular Current Detection Operation
ATmega8HVA/16HVA
Current through R
By setting the CADSE bit in CADCSRA the CC-ADC will enter a special Regular Current Detec-
tion Sampling Mode.
In this mode the CC-ADC will do one Instantaneous Current Conversion on regular sampling
intervals while updating of the Accumulation Current Register is automatically disabled. The
sampling interval is controlled by writing to the CADSI bits in CADCSRA.
Each time a conversion is completed the result is compared with Regular Charge/Discharge
Threshold levels specified in the CADRC register. If interrupt is enabled and the voltage is
above/below the specified limit a Regular Current Detection Interrupt will be issued.
illustrates the Regular Current Detection Mode
The Regular Current Detection has a separate Interrupt and by setting the CADRCIE bit, this
interrupt is enabled. Note that this Regular Current Detection interrupt cannot wake-up the CPU
from sleep mode. To be able to use the Regular Current Detection function in sleep modes, the
~250, 500, 1000, 2000ms
Turn-off
1, 2, 3, or 4s settling
INVALID DATA
SENSE
Measure
~12ms
125, 250, 500,
or 1000 ms
DATA 1
~250, 500, 1000, 2000ms
125, 250, 500,
or 1000 ms
DATA 2
Turn-off
1000, or 2000 ms
250, 500,
DATA 3
Measure
~12ms
8024A–AVR–04/08
Figure 19-4
DATA 4
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