ATMEGA8-16MI Atmel, ATMEGA8-16MI Datasheet - Page 218
ATMEGA8-16MI
Manufacturer Part Number
ATMEGA8-16MI
Description
IC AVR MCU 8K 16MHZ IND 32-QFN
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA8-16MI
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
23
Program Memory Size
8KB (4K x 16)
Program Memory Type
FLASH
Eeprom Size
512 x 8
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
32-VQFN Exposed Pad, 32-HVQFN, 32-SQFN, 32-DHVQFN
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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Signature Bytes
Calibration Byte
Page Size
218
ATmega8(L)
All Atmel microcontrollers have a 3-byte signature code which identifies the device. This code
can be read in both Serial and Parallel mode, also when the device is locked. The three bytes
reside in a separate address space.
For the ATmega8 the signature bytes are:
1. 0x000: 0x1E (indicates manufactured by Atmel)
2. 0x001: 0x93 (indicates 8KB Flash memory)
3. 0x002: 0x07 (indicates ATmega8 device)
The ATmega8 stores four different calibration values for the internal RC Oscillator. These bytes
resides in the signature row High byte of the addresses 0x0000, 0x0001, 0x0002, and 0x0003
for 1MHz, 2MHz, 4MHz, and 8Mhz respectively. During Reset, the 1MHz value is automatically
loaded into the OSCCAL Register. If other frequencies are used, the calibration value has to be
loaded manually, see
Table 89. No. of Words in a Page and no. of Pages in the Flash
Table 90. No. of Words in a Page and no. of Pages in the EEPROM
4K words (8 Kbytes)
EEPROM Size
512 bytes
Flash Size
Page Size
4 bytes
“Oscillator Calibration Register – OSCCAL” on page 31
Page Size
32 words
PCWORD
EEA[1:0]
PCWORD
PC[4:0]
No. of Pages
No. of Pages
128
128
PCPAGE
EEA[8:2]
PCPAGE
PC[11:5]
EEAMSB
for details.
PCMSB
8
11
2486Z–AVR–02/11
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