參數(shù)資料
型號(hào)： AT91SAM7S16-MU
廠商： Atmel
文件頁數(shù)： 18/50頁
文件大小： 0K
描述： MCU ARM 16K HI SPD FLASH 48-QFN
產(chǎn)品培訓(xùn)模塊： MCU Product Line Introduction
標(biāo)準(zhǔn)包裝： 260
系列： SAM7S
核心處理器： ARM7
芯體尺寸： 16/32-位
速度： 55MHz
連通性： I²C，SPI，SSC，UART/USART
外圍設(shè)備： 欠壓檢測(cè)/復(fù)位，DMA，POR，PWM，WDT
輸入/輸出數(shù)： 21
程序存儲(chǔ)器容量： 16KB（16K x 8）
程序存儲(chǔ)器類型： 閃存
RAM 容量： 4K x 8
電壓 - 電源 (Vcc/Vdd)： 1.65 V ~ 1.95 V
數(shù)據(jù)轉(zhuǎn)換器： A/D 8x10b
振蕩器型： 內(nèi)部
工作溫度： -40°C ~ 85°C
封裝/外殼： 48-QFN 裸露焊盤
包裝： 托盤
配用： AT91SAM-ICE-ND - EMULATOR FOR AT91 ARM7/ARM9
AT91SAM7S-EK-ND - KIT EVAL FOR ARM AT91SAM7S
25
SAM7S Series [DATASHEET]
6175KS–ATARM–25-Oct-12
8.8.6
Calibration Bits
Eight NVM bits are used to calibrate the brownout detector and the voltage regulator. These bits are factory configured
and cannot be changed by the user. The ERASE pin has no effect on the calibration bits.
8.9
Fast Flash Programming Interface
The Fast Flash Programming Interface allows programming the device through either a serial JTAG interface or through
a multiplexed fully-handshaked parallel port. It allows gang-programming with market-standard industrial programmers.
The FFPI supports read, page program, page erase, full erase, lock, unlock and protect commands.
The Fast Flash Programming Interface is enabled and the Fast Programming Mode is entered when the TST pin and the
PA0 and PA1 pins are all tied high and PA2 is tied low.
8.10 SAM-BA Boot Assistant
The SAM-BA
Boot Recovery restores the SAM-BA Boot in the first two sectors of the on-chip Flash memory. The
SAM-BA Boot recovery is performed when the TST pin and the PA0, PA1 and PA2 pins are all tied high for 10 sec-
onds. Then, a power cycle of the board is mandatory.
The SAM-BA Boot Assistant is a default Boot Program that provides an easy way to program in situ the on-chip Flash
memory.
The SAM-BA Boot Assistant supports serial communication through the DBGU or through the USB Device Port. (The
SAM7S32/16 have no USB Device Port.)
Communication through the DBGU supports a wide range of crystals from 3 to 20 MHz via software auto-
detection.
Communication through the USB Device Port is limited to an 18.432 MHz crystal. (
The SAM-BA Boot provides an interface with SAM-BA Graphic User Interface (GUI).
9.
System Controller
The System Controller manages all vital blocks of the microcontroller: interrupts, clocks, power, time, debug and reset.
The System Controller peripherals are all mapped to the highest 4 Kbytes of address space, between addresses 0xFFFF
F000 and 0xFFFF FFFF.
Figure 9-1 on page 26 and Figure 9-2 on page 27 show the product specific System Controller Block Diagrams.
Figure 8-1 on page 20 shows the mapping of the of the User Interface of the System Controller peripherals. Note that the
memory controller configuration user interface is also mapped within this address space.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AT91SAM7S256 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:AT91 ARM THUMB-BASED MICROCONTROLLERS
AT91SAM7S256_0410 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:AT91 ARM Thumb-based Microcontrollers
AT91SAM7S256_0504 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:AT91 ARM Thumb-based Microcontrollers
AT91SAM7S256-AI 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:AT91 ARM THUMB-BASED MICROCONTROLLERS
AT91SAM7S256-AU-001 功能描述:ARM微控制器 - MCU 256kB Flash 64kB SRAM 55MHz 4 PWM RoHS:否 制造商:STMicroelectronics 核心:ARM Cortex M4F 處理器系列:STM32F373xx 數(shù)據(jù)總線寬度:32 bit 最大時(shí)鐘頻率:72 MHz 程序存儲(chǔ)器大小:256 KB 數(shù)據(jù) RAM 大小:32 KB 片上 ADC:Yes 工作電源電壓:1.65 V to 3.6 V, 2 V to 3.6 V, 2.2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:LQFP-48 安裝風(fēng)格:SMD/SMT
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