ATMEGA8HVA-4TU Atmel, ATMEGA8HVA-4TU Datasheet - Page 4
![MCU AVR 8K FLASH 4MHZ 28-TSOP](/photos/7/21/72191/313-28-tsop_sml.jpg)
ATMEGA8HVA-4TU
Manufacturer Part Number
ATMEGA8HVA-4TU
Description
MCU AVR 8K FLASH 4MHZ 28-TSOP
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheet
1.ATMEGA16HVA-4CKU.pdf
(196 pages)
Specifications of ATMEGA8HVA-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
8KB (4K 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
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1.3.7
1.3.8
1.3.9
1.3.10
1.3.11
1.3.12
1.3.13
1.3.14
1.3.15
1.3.16
1.3.17
4
ATmega8HVA/16HVA
GND
Port A (PA1..PA0)
Port B (PB3..PB0)
PC0
OC
OD
NI
PI
NV/PV1/PV2
BATT
RESET/dw
Ground
Port A serves as a low-voltage 2-bit bi-directional I/O port with internal pull-up resistors (selected
for each bit). As inputs, Port A pins that are externally pulled low will source current if the pull-up
resistors are activated. The Port A pins are tri-stated when a reset condition becomes active,
even if the clock is not running.
Port A also serves the functions of various special features of the ATmega8HVA/16HVA as
listed in
Port B is a low-voltage 4-bit bi-directional I/O port with internal pull-up resistors (selected for
each bit). As inputs, Port B pins that are externally pulled low will source current if the pull-up
resistors are activated. The Port B pins are tri-stated when a reset condition becomes active,
even if the clock is not running.
Port B also serves the functions of various special features of the ATmega8HVA/16HVA as
listed in
Port C serves the functions of various special features of the ATmega8HVA/16HVA as listed in
”Alternate Functions of Port C” on page
High voltage output to drive Charge FET.
High voltage output to drive Discharge FET.
NI is the filtered negative input from the current sense resistor.
PI is the filtered positive input from the current sense resistor.
NV, PV1, and PV2 are the inputs for battery cells 1 and 2.
Input for detecting when a charger is connected.
Reset input. A low level on this pin for longer than the minimum pulse length will generate a
reset, even if the clock is not running. The minimum pulse length is given in Table 11 on page
38. Shorter pulses are not guaranteed to generate a reset. This pin is also used as debugWIRE
communication pin.
”Alternate Functions of Port A” on page
”Alternate Functions of Port B” on page
61.
70.
71.
8024A–AVR–04/08
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