參數(shù)資料
型號(hào)： SST85LP1004B-M-C-LFTE
元件分類(lèi)： 存儲(chǔ)控制器/管理單元
英文描述： IDE COMPATIBLE, FLASH MEMORY DRIVE CONTROLLER, PBGA91
封裝： 14 X 24 MM, 1.30 MM HEIGHT, ROHS COMPLIANT, BGA-91
文件頁(yè)數(shù)： 3/36頁(yè)
文件大?。?/td> 910K
代理商： SST85LP1004B-M-C-LFTE
2010 Silicon Storage Technology, Inc.
S71420-01-000
04/10
11
4 GByte NANDrive
SST85LP1004B
Advance Information
Power-down Mode
When the device is configured in the Power-down mode, if the WP#/PD# pin is asserted during a com-
mand, the NANDrive the NANDrive stops the ongoing command and immediately enters power-down
mode. Afterwards, the device will not accept any other commands. Both a software or a hardware reset
will bring the device to normal operation with the WP#/PD# pin de-asserted.
Power-on Initialization
NANDrive is self-initialized during the first power-up. As soon as the power is applied to the NANDrive
it reports busy for typically up to seven seconds while performing bad blocks search and low level for-
mat. This initialization is a one time event.
During the first self-initialization, the NANDrive firmware scans all connected flash media devices and
reads their device ID. If the device ID matches the listed flash media devices, the NANDrive performs
drive recognition based on the algorithm provided by the flash media suppliers, including setting up the
bad block table, executing all the necessary handshaking routines for flash media support, and, finally,
performing the low-level format.
If the drive initialization fails, and a visual inspection is unable to determine the problem, SST provides
a comprehensive interface for manufacturing flow debug. This interface not only allows debug of the
failure and manual reset of the initialization process, but also allows customization of user definable
options.
ATA/IDE Host Interface
The ATA/IDE host interface can be used for NANDrive manufacturing support. SST provides an exam-
ple of a DOS- and Windows-based solution (an executable routine) for manufacturing debug and
rework.
Serial Communication Interface (SCI)
For additional manufacturing flexibility, the SCI bus can be used for manufacturing error reporting and
for accessing the status of the controller’s internal activities. The SCI consists of 3 active signals:
SCIDOUT, SCIDIN, and SCICLK. Always provide access to the SCI interface in the PCB design to aid in
design validation.
Lifetime Expectancy
NANDrive with advanced NAND management technology significantly extends the life of a product
with its extensive ECC and advanced wear-leveling.
For applications where data security is essential, NANDrive with advanced NAND management tech-
nology offers two additional protection features—protection zones and password protections.
Protection zones - Up to four independent protection zones can be enabled as either Read-only or Hid-
den (Read/Write protected). If the zones are not enabled, the data is unprotected (default configura-
tion).
Password Protection - Requires a customer-unique password to access information within the pro-
tected zones.
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