Boot The SAM-BA Boot is a default Boot " />
參數(shù)資料
型號: AT91SAM7SE512-CU-999
廠商: Atmel
文件頁數(shù): 20/47頁
文件大小: 0K
描述: IC MCU ARM7 512KB FLASH 144LFBGA
產(chǎn)品培訓模塊: MCU Product Line Introduction
標準包裝: 1,000
系列: SAM7SE
核心處理器: ARM7
芯體尺寸: 16/32-位
速度: 55MHz
連通性: EBI/EMI,I²C,SPI,SSC,UART/USART,USB
外圍設(shè)備: 欠壓檢測/復位,POR,PWM,WDT
輸入/輸出數(shù): 88
程序存儲器容量: 512KB(512K x 8)
程序存儲器類型: 閃存
RAM 容量: 32K 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: 144-LFBGA
包裝: 帶卷 (TR)
配用: AT91SAM7SE-EK-ND - EVAL BOARD FOR AT91SAM7SE
AT91SAM-ICE-ND - EMULATOR FOR AT91 ARM7/ARM9
27
6222GS–ATARM–6-Sep-11
SAM7SE512/256/32 Summary
8.1.4
SAM-BA
Boot
The SAM-BA Boot is a default Boot Program which provides an easy way to program in-situ the
on-chip Flash memory.
The SAM-BA Boot Assistant supports serial communication via the DBGU or the USB Device
Port.
Communication via the DBGU supports a wide range of crystals from 3 to 20 MHz via
software auto-detection.
Communication via 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).
The SAM-BA Boot is in ROM and is mapped in Flash at address 0x0 when GPNVM bit 2 is set to
0.
8.2
External Memories
The external memories are accessed through the External Bus Interface.
Refer to the memory map in Figure 8-1 on page 22.
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