ATMEGA1284P-PU Atmel, ATMEGA1284P-PU Datasheet - Page 16
ATMEGA1284P-PU
Manufacturer Part Number
ATMEGA1284P-PU
Description
MCU AVR 128K ISP FLASH 40-PDIP
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheets
1.ATMEGA644PA-PU.pdf
(581 pages)
2.ATMEGA644PA-PU.pdf
(32 pages)
3.ATMEGA1284PR231-AU.pdf
(380 pages)
4.ATMEGA1284P-MU.pdf
(20 pages)
Specifications of ATMEGA1284P-PU
Core Processor
AVR
Core Size
8-Bit
Speed
20MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
32
Program Memory Size
128KB (64K x 16)
Program Memory Type
FLASH
Eeprom Size
4K x 8
Ram Size
16K 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)
Processor Series
ATMEGA128x
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
16 KB
Interface Type
2-Wire/SPI/USART
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
32
Number Of Timers
3
Maximum Operating Temperature
+ 85 C
Mounting Style
Through Hole
3rd Party Development Tools
EWAVR, EWAVR-BL
Development Tools By Supplier
ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT, ATAVRRAVEN, ATAVRRZUSBSTICK
Minimum Operating Temperature
- 40 C
On-chip Adc
8-ch x 10-bit
Controller Family/series
AVR MEGA
No. Of I/o's
32
Eeprom Memory Size
4KB
Ram Memory Size
16KB
Cpu Speed
20MHz
Rohs Compliant
Yes
For Use With
ATSTK600-TQFP44 - STK600 SOCKET/ADAPTER 44-TQFPATSTK600 - DEV KIT FOR AVR/AVR32
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATMEGA1284P-PU
Manufacturer:
LUCENT
Quantity:
32
- ATMEGA644PA-PU PDF datasheet
- ATMEGA644PA-PU PDF datasheet #2
- ATMEGA1284PR231-AU PDF datasheet #3
- ATMEGA1284P-MU PDF datasheet #4
- Current page: 16 of 380
- Download datasheet (7Mb)
6. AVR Memories
6.1
6.2
8059D–AVR–11/09
Overview
In-System Reprogrammable Flash Program Memory
This section describes the different memories in the ATmega1284P. The AVR architecture has
two main memory spaces, the Data Memory and the Program Memory space. In addition, the
ATmega1284P features an EEPROM Memory for data storage. All three memory spaces are lin-
ear and regular.
The ATmega1284P contains 128K bytes On-chip In-System Reprogrammable Flash memory for
program storage. Since all AVR instructions are 16 or 32 bits wide, the Flash is organized as
64 x 16. For software security, the Flash Program memory space is divided into two sections,
Boot Program section and Application Program section.
The Flash memory has an endurance of at least 10,000 write/erase cycles. The ATmega1284P
Program Counter (PC) is 16 bits wide, thus addressing the 64K program memory locations. The
operation of Boot Program section and associated Boot Lock bits for software protection are
described in detail in
291
JTAG interface.
Constant tables can be allocated within the entire program memory address space (see the LPM
– Load Program Memory instruction description.
Timing diagrams for instruction fetch and execution are presented in
ing” on page
contains a detailed description on Flash data serial downloading using the SPI pins or the
12.
”Memory Programming” on page
291.
”Memory Programming” on page
ATmega1284P
”Instruction Execution Tim-
16
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