ATMEGA644PV-10PQ Atmel, ATMEGA644PV-10PQ Datasheet - Page 301
![MCU AVR 64K FLASH 10MHZ 40-PDIP](/photos/6/70/67049/453-40-dip_sml.jpg)
ATMEGA644PV-10PQ
Manufacturer Part Number
ATMEGA644PV-10PQ
Description
MCU AVR 64K FLASH 10MHZ 40-PDIP
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA644PV-10PQ
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
40-DIP (0.600", 15.24mm)
For Use With
ATSTK600 - DEV KIT FOR AVR/AVR32
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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8011O–AVR–07/10
3. Set DATA = Address extended high byte (0x00 - 0xFF).
4. Give XTAL1 a positive pulse. This loads the address high byte.
I. Program Page
1. Set BS2, BS1 to “00”
2. Give WR a negative pulse. This starts programming of the entire page of data. RDY/BSY
3. Wait until RDY/BSY goes high (See
J. Repeat B through I until the entire Flash is programmed or until all data has been
programmed.
K. End Page Programming
1. 1. Set XA1, XA0 to “10”. This enables command loading.
2. Set DATA to “0000 0000”. This is the command for No Operation.
3. Give XTAL1 a positive pulse. This loads the command, and the internal write signals are
Figure 24-2. Addressing the Flash Which is Organized in Pages
Note:
goes low.
reset.
1. PCPAGE and PCWORD are listed in
PROGRAM MEMORY
PROGRAM
COUNTER
PAGE
PAGE ADDRESS
WITHIN THE FLASH
PCMSB
PCPAGE
Figure 24-3 on page 302
PAGEMSB
PCWORD
Table 24-7 on page
WORD ADDRESS
WITHIN A PAGE
ATmega164P/324P/644P
INSTRUCTION WORD
PAGE
296.
for signal waveforms).
(1)
PCWORD[PAGEMSB:0]:
00
01
02
PAGEEND
301
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