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8018P–AVR–08/10
ATmega169P
7.
AVR Memories
This section describes the different memories in the ATmega169P. The AVR architecture has
two main memory spaces, the Data Memory and the Program Memory space. In addition, the
ATmega169P features an EEPROM Memory for data storage. All three memory spaces are lin-
ear and regular.
7.1
In-System Reprogrammable Flash Program Memory
The ATmega169P 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
× 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 ATmega169P
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 ”Boot Loader Support – Read-While-Write Self-Programming” on page
280. ”Memory Programming” on page 296 contains a detailed description on Flash data serial
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 ”Instruction Execution Tim-
ing” on page 14.
Figure 7-1.
Program Memory Map
0x0000
0x1FFF
Program Memory
Application Flash Section
Boot Flash Section
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相关PDF资料
2-1546217-0 TERM BLK RCPT 20POS SIDE 5.08MM
1-1546217-9 TERM BLK RCPT 19POS SIDE 5.08MM
1-1546217-8 TERM BLK RCPT 18POS SIDE 5.08MM
1-1546217-7 TERM BLK RCPT 17POS SIDE 5.08MM
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1-1546217-4 TERM BLK RCPT 14POS SIDE 5.08MM
1-1546217-3 TERM BLK RCPT 13POS SIDE 5.08MM
相关代理商/技术参数
ATMEGA169P-16MCU 功能描述:8位微控制器 -MCU AVR 16KB, 512B EE 16MHz 1KB SRAM, 5V RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT
ATMEGA169P-16MU 功能描述:8位微控制器 -MCU AVR 16K FLASH 512B EE 1K SRAM LCD ADC RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT
ATMEGA169P-16MU SL383 制造商:Atmel Corporation 功能描述:MCU 8BIT ATMEGA RISC 16KB FLASH 3.3V/5V 64PIN MLF - Tape and Reel
ATMEGA169P-16MUR 功能描述:8位微控制器 -MCU AVR LCD 16KB FLSH EE 512B 1KB SRAM-16MHZ RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT
ATMEGA169P-8AU 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:Microcontroller with 16K Bytes In-System Programmable Flash
ATMEGA169P-8MU 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:Microcontroller with 16K Bytes In-System Programmable Flash
ATMEGA169PA 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:8-bit Microcontroller with 16K Bytes In-System Programmable Flash
ATMEGA169PA_1 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:High Endurance Non-volatile Memory segments