ATMEGA165P-16MUR Atmel, ATMEGA165P-16MUR Datasheet - Page 17
ATMEGA165P-16MUR
Manufacturer Part Number
ATMEGA165P-16MUR
Description
IC MCU AVR 16K 16MHZ 64MLF
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA165P-16MUR
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
SPI, UART/USART, USI
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
54
Program Memory Size
16KB (8K 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
64-VFQFN, Exposed Pad
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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6. AVR Memories
6.1
8019K–AVR–11/10
In-System Reprogrammable Flash Program Memory
This section describes the different memories in the ATmega165P. The AVR architecture has
two main memory spaces, the Data Memory and the Program Memory space. In addition, the
ATmega165P features an EEPROM Memory for data storage. All three memory spaces are lin-
ear and regular.
The ATmega165P contains 16 Kbytes 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 8K
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 ATmega165P
Program Counter (PC) is 13 bits wide, thus addressing the 8K program memory locations. The
operation of Boot Program section and associated Boot Lock bits for software protection are
described in detail in
250.
downloading using the SPI pins or the 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
Figure 6-1.
“Memory Programming” on page 266
11.
Program Memory Map
“Boot Loader Support – Read-While-Write Self-Programming” on page
Application Flash Section
Boot Flash Section
Program Memory
contains a detailed description on Flash data serial
0x0000
0x1FFF
“Instruction Execution Tim-
ATmega165P
17
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