ATMEGA16HVA-4CKU Atmel, ATMEGA16HVA-4CKU Datasheet - Page 104
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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19. Coulomb Counter - Dedicated Fuel Gauging Sigma-delta ADC
19.1
19.2
Figure 19-1. Coulomb Counter Block Diagram
104
Features
Overview
ATmega8HVA/16HVA
R
SENSE
•
•
•
•
•
•
•
ATmega8HVA/16HVA features a dedicated Sigma-Delta ADC (CC-ADC) optimized for Coulomb
Counting. By sampling the voltage across an external sense resistor R
used to track the flow of current going into and out of the battery cells.
In normal conversion mode two different output values are provided, Instantaneous Current and
Accumulate Current. The Instantaneous Current Output has a short conversion time at the cost
Sampled System Coulomb Counter
Low Power Sigma-Delta ADC Optimized for Coulomb Counting
Instantaneous Current Output with 3.9 ms Conversion Time
Accumulate Current Output
Regular Current Detection Mode
Input Voltage Range ± 100mV
Offset canceling by input polarity switching
– 13 bit Resolution (including sign bit)
– Interrupt on Instantaneous Current Conversion Complete
– Programmable Conversion Time: 125/250/500/1000 ms
– 18-bit Resolution (including sign bit)
– Interrupt on Accumulation Current Conversion Complete
– Programmable Sampling Interval: 250/500/1000/2000 ms
– Allowing Measurement of ± 10A @ 10 mΩ
PI
NI
Switcher
Polarity
Current Level
Comparator
Regular
Current
Sigma Delta
modulator
IRQ
Instantaneous
Register
Current
Decimation
8-BIT DATABUS
Filter
IRQ
Control &
Registers
Status
Decimation
Filter
IRQ
Accumulate
Register
Current
SENSE
, the CC-ADC is
8024A–AVR–04/08
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