ATmega8HVA Atmel Corporation, ATmega8HVA Datasheet - Page 145

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ATmega8HVA

Manufacturer Part Number
ATmega8HVA
Description
Manufacturer
Atmel Corporation
Datasheets

Specifications of ATmega8HVA

Flash (kbytes)
8 Kbytes
Pin Count
28
Max. Operating Frequency
4 MHz
Cpu
8-bit AVR
# Of Touch Channels
3
Hardware Qtouch Acquisition
No
Max I/o Pins
6
Ext Interrupts
3
Usb Speed
No
Usb Interface
No
Spi
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
6
Adc Resolution (bits)
12
Adc Speed (ksps)
1.9
Resistive Touch Screen
No
Temp. Sensor
Yes
Crypto Engine
No
Sram (kbytes)
0.5
Eeprom (bytes)
256
Self Program Memory
YES
Dram Memory
No
Nand Interface
No
Picopower
No
Temp. Range (deg C)
-20 to 85
I/o Supply Class
1.8 to 9.0
Operating Voltage (vcc)
1.8 to 9.0
Fpu
No
Mpu / Mmu
no / no
Timers
2
Output Compare Channels
4
Input Capture Channels
2
32khz Rtc
No
Calibrated Rc Oscillator
Yes
8024A–AVR–04/08
Table 26-1.
Notes:
All other addresses are reserved for future use.
Signature Byte Description
Reserved
BGCCR Calibration Byte @ HOT
V-ADC RAW Cell1 L
V-ADC RAW Cell1 H
V-ADC RAW ADC0 L
V-ADC RAW ADC0 H
VPTAT CAL L
VPTAT CAL H
V-ADC Cell1 Calibration Word L
V-ADC Cell1 Calibration Word H
V-ADC Cell2 Calibration Word L
V-ADC Cell2 Calibration Word H
V-ADC Cell1 Offset
V-ADC Cell2 Offset
V-ADC ADC0 Gain Calibration Word L
V-ADC ADC0 Gain Calibration Word H
V-ADC ADC1 Gain Calibration Word L
V-ADC ADC1 Gain Calibration Word H
V-ADC ADC0 Offset
V-ADC ADC1 Offset
Reserved
T
HOT
(16)
1. Default FOSCCAL value after reset.
2. FOSCCAL setting used to smooth the transition from one segment to the next when calibrating
3. 8 prescaled Slow RC periods in µs using the Oscillator Sampling Interface (@T
4. Characterized Slow RC oscillator frequency temperature drift prediction value.
5. Slow RC oscillator frequency in kHz (@T
6. ULP RC oscillator frequency in kHz (@ T
7. Calibration value found in BGCCR in the first step of VREF calibration (BGCRR = 0x0F),
8. Calibration word used for the second step of the VREF calibration.
9. Calibration word used to compensate for gain error in V-ADC Cell input 1.
10. Calibration word used to compensate for gain error in V-ADC Cell input 2.
11. Calibration byte used to compensate for offset in V-ADC Cells.
12. Calibration word used to compensate for gain error in ADC0.
13. Calibration word used to compensate for gain error in ADC1.
14. Calibration byte used to compensate for offset in ADC0 and ADC1.
15. Calibration word used to calculate the absolute temperature in Kelvin from a VTEMP
16. Hot tamperature used for factory calibration in °C.
the Fast RC oscillator.
(@ T
conversion.
(15)
Signature Row Addressing. (Continued)
HOT
(11)
(11)
°C).
(14)
(14)
(8)
(8)
(9)
(10)
(7)
(12)
(13)
HOT
HOT
°C).
°C).
ATmega8HVA/16HVA
Z-Pointer Address
26H:2FH
1CH
1DH
12H
13H
14H
15H
16H
17H
18H
19H
1AH
1BH
1EH
1FH
20H
21H
22H
23H
24H
25H
30H
HOT
°C).
145

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