ATMEGA8HVA-4TU Atmel, ATMEGA8HVA-4TU Datasheet - Page 3

• Manufacturer Part Number: ATMEGA8HVA-4TU
• Description: MCU AVR 8K FLASH 4MHZ 28-TSOP
• Manufacturer: Atmel
• Series: AVR® ATmegar

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

1.2
1.3
1.3.1
1.3.2
1.3.3
1.3.4
1.3.5
1.3.6
8024A–AVR–04/08
TSOP
Pin Descriptions
VFET
VCC
VREG
CF1P/CF1N/CF2P/CF2N
VREF
VREFGND
Figure 1-3.
Input to the internal voltage regulator.
Digital supply voltage. Normally connected to VREG.
Output from the internal voltage regulator.
CF1P/CF1N/CF2P/CF2N are the connection pins for connecting external fly capacitors to the
step-up regulator.
Internal Voltage Reference for external decoupling.
Ground for decoupling of Internal Voltage Reference. Do not connect to GND or SGND on PCB.
VREFGND
VREG
CF2N
VREF
CF1P
CF1N
CF2P
VFET
GND
PV2
PV1
NV
PI
NI
10
11
12
13
14
1
2
3
4
5
6
7
8
9
TSOP - pinout ATmega8HVA/16HVA
ATmega8HVA/16HVA
18
28
26
25
24
23
22
21
20
19
17
16
15
27
BATT
VCC
PB3 (MISO/INT2)
OD
OC
PB1 (SCK)
PA2 (RESET/dW)
GND
PC0 (RXD/TXD/INT0)
GND
PB2 (MOSI/INT1)
PB0 (SS/CKOUT)
PA1 (ADC1/SGND/T1)
PA0 (ADC0/SGND/T0)
3