ATMEGA644P-A15MZ Atmel, ATMEGA644P-A15MZ Datasheet - Page 281
ATMEGA644P-A15MZ
Manufacturer Part Number
ATMEGA644P-A15MZ
Description
MCU AVR 64KB FLASH 16MHZ 44QFN
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA644P-A15MZ
Package / Case
44-VQFN Exposed Pad
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Operating Temperature
-40°C ~ 125°C
Speed
16MHz
Number Of I /o
32
Eeprom Size
2K x 8
Core Processor
AVR
Program Memory Type
FLASH
Ram Size
4K x 8
Program Memory Size
64KB (64K x 8)
Data Converters
A/D 8x10b
Oscillator Type
Internal
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Connectivity
I²C, SPI, UART/USART
Core Size
8-Bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATMEGA644P-A15MZ
Manufacturer:
ATMEL
Quantity:
3 500
Part Number:
ATMEGA644P-A15MZ
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
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7674F–AVR–09/09
Figure 24-1. Read-While-Write vs. No Read-While-Write
Z-pointer
Addresses RWW
Section
Code Located in
NRWW Section
Can be Read During
the Operation
Read-While-Write
No Read-While-Write
(RWW) Section
(NRWW) Section
ATmega164P/324P/644P
Z-pointer
Addresses NRWW
Section
CPU is Halted
During the Operation
281
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