ATMEGA16HVA-4CKU Atmel, ATMEGA16HVA-4CKU Datasheet - Page 43
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 11-2. Normal Start-up Sequence in Power-off.
8024A–AVR–04/08
1. The charger voltage pulls the BATT pin above the Power-on Threshold Voltage (V
2. When V
3. The internal reset is held high after POR reset goes low for a time given by t
4. As soon as the internal reset goes low, the chip will start operating in DUVR mode (for
VREG starts to rise. The POR reset will go high while VREG is rising and initiate the
internal reset state of the chip. The external FETs are initially switched off.
”System Control and Reset” on page
isters will be reset to their default values. The VREG and BOD levels are both referenced
to the VREF voltage. In reset all these voltage levels will therefore have default values.
Both FETs are switched completely off in this state.
details on DUVR mode, see
on page 137
gate voltage of the Charge FET to get a voltage at the VFET pin given by the VFET level
specified in
that DUVR mode will only regulate the VFET voltage as long as the cell voltage is lower
than the VFET_DUVR level. For high cell voltages, DUVR mode will not have any impact.
DUVR mode may be disabled by SW as soon as the chip enters ACTIVE mode.
BATT
Table 29-5 on page
rises above V
and application note AVR354). In DUVR mode the FET driver controls the
POT
”DUVR – Deep Under-Voltage Recovery Mode operation”
, ATmega8HVA/16HVA turns on the Voltage Regulator and
170. This causes the BATT voltage to decrease. Note
41. While the chip is in reset, VREF calibration reg-
4/8/16/32/64/128/256/512 ms
ATmega8HVA/16HVA
TOUT
, see
POT
).
43
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