参数资料
型号: AT91SAM7X512-AU-999
厂商: Atmel
文件页数: 13/44页
文件大小: 0K
描述: IC MCU ARM 512K HS FLASH 100LQFP
产品培训模块: SAM9 MPU Boot Solutions & Application Deployment
AT91SAM7X and SAM7XC Flash-based Microcontrollers
MCU Product Line Introduction
标准包装: 1
系列: SAM7X
核心处理器: ARM7
芯体尺寸: 16/32-位
速度: 55MHz
连通性: CAN,以太网,I²C,SPI,SSC,UART/USART,USB
外围设备: 欠压检测/复位,DMA,POR,PWM,WDT
输入/输出数: 62
程序存储器容量: 512KB(512K x 8)
程序存储器类型: 闪存
RAM 容量: 128K x 8
电压 - 电源 (Vcc/Vdd): 1.65 V ~ 1.95 V
数据转换器: A/D 8x10b
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 100-LQFP
包装: 标准包装
其它名称: AT91SAM7X512-AU-999DKR
20
6120GS–ATARM–07-Apr-11
SAM7X512/256/128 Summary
Figure 8-3.
Internal Memory Mapping with GPNVM Bit 2 = 1
8.5
Embedded Flash
8.5.1
Flash Overview
The Flash of the SAM7X512 is organized in two banks (dual plane) of 1024 pages of 256
bytes. The 524,288 bytes are organized in 32-bit words.
The Flash of the SAM7X256 is organized in 1024 pages of 256 bytes (single plane). It reads
as 65,536 32-bit words.
The Flash of the SAM7X128 is organized in 512 pages of 256 bytes (single plane). It reads
as 32,768 32-bit words.
The Flash contains a 256-byte write buffer, accessible through a 32-bit interface.
The Flash benefits from the integration of a power reset cell and from the brownout detector.
This prevents code corruption during power supply changes, even in the worst conditions.
When Flash is not used (read or write access), it is automatically placed into standby mode.
8.5.2
Embedded Flash Controller
The Embedded Flash Controller (EFC) manages accesses performed by the masters of the sys-
tem. It enables reading the Flash and writing the write buffer. It also contains a User Interface,
mapped within the Memory Controller on the APB. The User Interface allows:
programming of the access parameters of the Flash (number of wait states, timings, etc.)
starting commands such as full erase, page erase, page program, NVM bit set, NVM bit
clear, etc.
getting the end status of the last command
getting error status
programming interrupts on the end of the last commands or on errors
The Embedded Flash Controller also provides a dual 32-bit Prefetch Buffer that optimizes 16-bit
access to the Flash. This is particularly efficient when the processor is running in Thumb mode.
Two EFCs are embedded in the SAM7X512 to control each bank of 256 KBytes. Dual-plane
organization allows concurrent read and program functionality. Read from one memory plane
256M Bytes
Flash Before Remap
SRAM After Remap
Undefined Areas
(Abort)
0x000F FFFF
0x001F FFFF
0x002F FFFF
0x0FFF FFFF
1 M Bytes
252 M Bytes
Internal FLASH
Internal SRAM
0x0000 0000
0x0010 0000
0x0020 0000
0x0030 0000
Internal ROM
0x003F FFFF
0x0040 0000
1 M Bytes
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AT91SAM7X512B-AU 功能描述:ARM7? SAM7X Microcontroller IC 16/32-Bit 55MHz 512KB (512K x 8) FLASH 100-LQFP (14x14) 制造商:atmel 系列:SAM7X 包装:托盘 零件状态:有效 核心处理器:ARM7? 核心尺寸:16/32-位 速度:55MHz 连接性:CAN,以太网,I2C,SPI,SSC,UART/USART,USB 外设:欠压检测/复位,DMA,POR,PWM,WDT I/O 数:62 程序存储容量:512KB(512K x 8) 程序存储器类型:闪存 EEPROM 容量:- RAM 容量:128K x 8 电压 - 电源(Vcc/Vdd):1.65 V ~ 1.95 V 数据转换器:A/D 8x10b 振荡器类型:内部 工作温度:-40°C ~ 85°C(TA) 封装/外壳:100-LQFP 供应商器件封装:100-LQFP(14x14) 标准包装:90
AT91SAM7X512B-AUR 功能描述:ARM7? SAM7X Microcontroller IC 16/32-Bit 55MHz 512KB (512K x 8) FLASH 100-LQFP (14x14) 制造商:atmel 系列:SAM7X 包装:剪切带(CT) 零件状态:有效 核心处理器:ARM7? 核心尺寸:16/32-位 速度:55MHz 连接性:CAN,以太网,I2C,SPI,SSC,UART/USART,USB 外设:欠压检测/复位,DMA,POR,PWM,WDT I/O 数:62 程序存储容量:512KB(512K x 8) 程序存储器类型:闪存 EEPROM 容量:- RAM 容量:128K x 8 电压 - 电源(Vcc/Vdd):1.65 V ~ 1.95 V 数据转换器:A/D 8x10b 振荡器类型:内部 工作温度:-40°C ~ 85°C(TA) 封装/外壳:100-LQFP 供应商器件封装:100-LQFP(14x14) 标准包装:1
AT91SAM7X512B-CU 功能描述:ARM7? SAM7X Microcontroller IC 16/32-Bit 55MHz 512KB (512K x 8) FLASH 100-TFBGA (9x9) 制造商:atmel 系列:SAM7X 包装:托盘 零件状态:有效 核心处理器:ARM7? 核心尺寸:16/32-位 速度:55MHz 连接性:CAN,以太网,I2C,SPI,SSC,UART/USART,USB 外设:欠压检测/复位,DMA,POR,PWM,WDT I/O 数:62 程序存储容量:512KB(512K x 8) 程序存储器类型:闪存 EEPROM 容量:- RAM 容量:128K x 8 电压 - 电源(Vcc/Vdd):1.65 V ~ 1.95 V 数据转换器:A/D 8x10b 振荡器类型:内部 工作温度:-40°C ~ 85°C(TA) 封装/外壳:100-TFBGA 供应商器件封装:100-TFBGA(9x9) 标准包装:260
AT91SAM7X512B-CUR 功能描述:ARM7? SAM7X Microcontroller IC 16/32-Bit 55MHz 512KB (512K x 8) FLASH 100-TFBGA (9x9) 制造商:atmel 系列:SAM7X 包装:剪切带(CT) 零件状态:有效 核心处理器:ARM7? 核心尺寸:16/32-位 速度:55MHz 连接性:CAN,以太网,I2C,SPI,SSC,UART/USART,USB 外设:欠压检测/复位,DMA,POR,PWM,WDT I/O 数:62 程序存储容量:512KB(512K x 8) 程序存储器类型:闪存 EEPROM 容量:- RAM 容量:128K x 8 电压 - 电源(Vcc/Vdd):1.65 V ~ 1.95 V 数据转换器:A/D 8x10b 振荡器类型:内部 工作温度:-40°C ~ 85°C(TA) 封装/外壳:100-TFBGA 供应商器件封装:100-TFBGA(9x9) 标准包装:1
AT91SAM7X512-CU 功能描述:ARM微控制器 - MCU 512kB Flash 128kB SRAM 55MHz 4 PWM RoHS:否 制造商:STMicroelectronics 核心:ARM Cortex M4F 处理器系列:STM32F373xx 数据总线宽度:32 bit 最大时钟频率:72 MHz 程序存储器大小:256 KB 数据 RAM 大小:32 KB 片上 ADC:Yes 工作电源电压:1.65 V to 3.6 V, 2 V to 3.6 V, 2.2 V to 3.6 V 工作温度范围:- 40 C to + 85 C 封装 / 箱体:LQFP-48 安装风格:SMD/SMT