ATMEGA8HVA-4CKU Atmel, ATMEGA8HVA-4CKU Datasheet - Page 4
ATMEGA8HVA-4CKU
Manufacturer Part Number
ATMEGA8HVA-4CKU
Description
MCU AVR 8K FLASH 4MHZ 36-LGA
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheet
1.ATMEGA16HVA-4CKU.pdf
(196 pages)
Specifications of ATMEGA8HVA-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
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
36-LGA
Processor Series
ATMEGA8x
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
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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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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