ATMEGA16HVA-4TU Atmel, ATMEGA16HVA-4TU Datasheet - Page 42
ATMEGA16HVA-4TU
Manufacturer Part Number
ATMEGA16HVA-4TU
Description
MCU AVR 16K FLASH 4MHZ 28-TSOP
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheet
1.ATMEGA16HVA-4CKU.pdf
(196 pages)
Specifications of ATMEGA16HVA-4TU
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
28-TSOP
For Use With
ATSTK600 - DEV KIT FOR AVR/AVR32ATSTK500 - PROGRAMMER AVR STARTER KIT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATMEGA16HVA-4TU
Manufacturer:
Atmel
Quantity:
20
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11.2.1
42
ATmega8HVA/16HVA
Power-on Reset and Charger Connect
Figure 11-1. Reset Logic
The Voltage Regulator will not start up until the Charger Detect module has enabled the Voltage
Regulator. Before this happens the chip will be in Power-off mode and only the Charger Detect
module is enabled. In order for the Charger Detect module to enable the Voltage Regulator, the
voltage at the BATT pin must exceed the Power-On Threshold, V
BATT pin exceeds V
to
See
Figure 11-2 on page
Figure 10-1 on page
RESET
V
BATT
/dW
FET
V
REG
Pull-up Resistor
POT
FILTER
SPIKE
V
REG
, the Voltage Regulator starts up and the chip enters RESET mode, refer
43. When the Delay Counter times out, the chip will enter Active mode.
35.
Ultra Low Power
RC Oscillator
Reset Circuit
SUT[2:0]
debugWIRE
Watchdog
Brown-out
Power-on
Detection
Generator
Charger
Circuit/
Detect
Timer
Reset
Clock
POR
CK
Register (MCUSR)
MCU Status
DATA BUS
Delay Counters
COUNTER RESET
TIMEOUT
POT
. When the voltage at the
8024A–AVR–04/08
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