ATMEGA644PV-10MQ Atmel, ATMEGA644PV-10MQ Datasheet - Page 288
![MCU AVR 64K FLASH 10MHZ 44-QFN](/photos/12/13/121316/313-44-qfn_sml.jpg)
ATMEGA644PV-10MQ
Manufacturer Part Number
ATMEGA644PV-10MQ
Description
MCU AVR 64K FLASH 10MHZ 44-QFN
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA644PV-10MQ
Core Processor
AVR
Core Size
8-Bit
Speed
10MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
32
Program Memory Size
64KB (32K x 16)
Program Memory Type
FLASH
Eeprom Size
2K x 8
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
44-VQFN Exposed Pad
For Use With
ATSTK600 - DEV KIT FOR AVR/AVR32
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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23.8.14
In
Table 23-7.
Note:
Table 23-8.
Note:
Table 23-9.
Note:
See
Programming.
8011O–AVR–07/10
BOOTSZ1
Section
Read-While-Write section (RWW)
No Read-While-Write section (NRWW)
Variable
PCMSB
PAGEMSB
ZPCMSB
ZPAGEMSB
PCPAGE
PCWORD
Table 23-7
”Addressing the Flash During Self-Programming” on page 281
1
1
0
0
1. The different BOOTSZ Fuse configurations are shown in
1. For details about these two section, see
1. Z0: should be zero for all SPM commands, byte select for the (E)LPM instruction.
ATmega164P Boot Loader Parameters
Write Section” on page
through
BOOTSZ0
Boot Size Configuration
Read-While-Write Limit
Explanation of different variables used in
1
0
1
0
PC[12:6]
PC[5:0]
12
Table
5
Boot Size
1024 words
128 words
256 words
512 words
23-9, the parameters used in the description of the Self-Programming are given.
Corresponding
277.
Z-value
Z14:Z7
Z6:Z1
Z13
Z6
(1)
(1)
Pages
16
2
4
8
”NRWW – No Read-While-Write Section” on page 277
Description
Most significant bit in the Program Counter. (The Program Counter is 13 bits
PC[12:0])
Most significant bit which is used to address the words within one page (128
words in a page requires seven bits PC [5:0]).
Bit in Z-pointer that is mapped to PCMSB. Because Z0 is not used, the
ZPCMSB equals PCMSB + 1.
Bit in Z-pointer that is mapped to PCMSB. 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)
Application
Flash Section
0x0000 - 0x1F7F
0x0000 - 0x1EFF
0x0000 - 0x1DFF
0x0000 - 0x1BFF
Figure 23-3 on page 281
(1)
Figure 23-2 on page
Pages
112
16
0x1F00 - 0x1FFF
Boot Loader
Flash Section
0x1F80 - 0x1FFF
0x1E00 - 0x1FFF
0x1C00 - 0x1FFF
for details about the use of Z-pointer during Self-
ATmega164P/324P/644P
279.
and the mapping to the Z-pointer
End
Application
Section
0x1F7F
0x1EFF
0x1DFF
0x1BFF
Address
0x0000 - 0x1BFF
0x1C00 - 0x1FFF
and
”RWW – Read-While-
Boot Reset
Address
(Start Boot
Loader Section)
0x1F80
0x1F00
0x1E00
0x1C00
288
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