ATMEGA8L-8MJ Atmel, ATMEGA8L-8MJ Datasheet - Page 214
ATMEGA8L-8MJ
Manufacturer Part Number
ATMEGA8L-8MJ
Description
IC MCU AVR 8K 5V 8MHZ 32-QFN
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA8L-8MJ
Core Processor
AVR
Core Size
8-Bit
Speed
8MHz
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)
2.7 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
Lead free / RoHS Compliant
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ATmega8(L)
Table 83. Read-While-Write Limit
For details about these two section, see
and
Table 84. Explanation of Different Variables used in
to the Z-pointer
Note:
Section
Read-While-Write section (RWW)
No Read-While-Write section (NRWW)
Variable
PCMSB
PAGEMSB
ZPCMSB
ZPAGEMSB
PCPAGE
PCWORD
“RWW – Read-While-Write Section” on page
1. Z15:Z13: always ignored
Z0: should be zero for all SPM commands, byte select for the LPM instruction.
See
Z-pointer during Self-Programming
PC[11:5]
“Addressing the Flash During Self-Programming” on page 207
PC[4:0]
11
4
Corresponding
Z-value
Z12:Z6
Z5:Z1
Z12
Z5
(1)
“NRWW – No Read-While-Write Section” on page 203
Description
Most significant bit in the Program Counter.
(The Program Counter is 12 bits PC[11:0])
Most significant bit which is used to address the
words within one page (32 words in a page
requires 5 bits PC [4:0])
Bit in Z-register that is mapped to PCMSB.
Because Z0 is not used, the ZPCMSB equals
PCMSB + 1
Bit in Z-register that is mapped to PAGEMSB.
Because Z0 is not used, the ZPAGEMSB
equals PAGEMSB + 1
Program counter page address: Page select,
for page erase and page write
Program counter word address: Word select, for
filling temporary buffer (must be zero during
page write operation)
203.
Figure 103 on page 208
Pages
96
32
Address
0x000 - 0xBFF
0xC00 - 0xFFF
for details about the use of
and the Mapping
2486Z–AVR–02/11
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