參數(shù)資料
型號(hào): MD2533-D16G-X-P/Y
廠商: SANDISK CORP
元件分類(lèi): 存儲(chǔ)控制器/管理單元
英文描述: FLASH MEMORY DRIVE CONTROLLER, PBGA115
封裝: 12 X 18 MM, 1.40 MM HEIGHT, FBGA-115
文件頁(yè)數(shù): 42/87頁(yè)
文件大小: 1675K
代理商: MD2533-D16G-X-P/Y
Rev. 1.2
Booting from mDOC H3
mDOC H3 EFD Featuring Embedded TrueFFS Data Sheet
47
92-DS-1205-10
8.
BOOTING FROM MDOC H3
8.1
Introduction
mDOC H3 can function both as a flash disk and as the system boot device.
If mDOC H3 is used both as a flash disk and as the system boot device, it contains the boot
loader, an OS image and a file system. In such a configuration, mDOC H3 can serve as the only
non-volatile device on board.
When using mDOC H3 as the system boot device, the CPU fetches the first instructions from the
mDOC H3 Programmable Boot Block, which contains the IPL. The IPL handles the required
platform initializations, and then loads the required image or OS Boot loader from its dedicated
partition.
SanDisk’s DOC Driver, SDK and utilities enable the construction of a proper mDOC H3 layout
in order to support the boot sequence. For a complete description of these tools, refer to the DOC
Driver 1.0 Block Device (BD) Software Development Kit (SDK) developer guide and the DOC
Driver 1.0 Software Utilities developer guide. These tools enable the following operations:
Formatting mDOC H3
Creating multiple partitions for different storage needs (IPL, Boot loader, OS images
files, and FAT partitions)
Programming the OS image file
Figure 10 illustrates an example of a boot sequence.
Boot Loader
OS Image
Flash Disk
Partition (OS
Image Storage)
Flash Disk
Partition
(File Storage)
Power-Up
RAM
Basic System Initialization
B
oot Loader Copies
OS Image to RAM
OS Start-Up Code
mDOC H3
Copy
Image
to RAM
Take Image
from mDOC
Figure 10: System Boot Sequence with mDOC H3
相關(guān)PDF資料
PDF描述
MD2534-D1G-X-P FLASH MEMORY DRIVE CONTROLLER, PBGA115
MD2533-D8G-X-P FLASH MEMORY DRIVE CONTROLLER, PBGA115
SDED5-008G-NCY FLASH MEMORY DRIVE CONTROLLER, PBGA115
MD80C154-12/883 8-BIT, 12 MHz, MICROCONTROLLER, CDIP40
MD80C154-16P883D 8-BIT, 16 MHz, MICROCONTROLLER, CDIP40
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