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ST72682R21 bảng dữ liệu(PDF) 18 Page - STMicroelectronics

tên linh kiện ST72682R21
Giải thích chi tiết về linh kiện  USB 2.0 high-speed Flash drive controller
PDF  36 Pages
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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
Trang chủ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST72682R21 bảng dữ liệu(HTML) 18 Page - STMicroelectronics

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Human interface implementation
ST72682
18/36
6
Human interface implementation
6.1
LED behavior
The application is designed to manage 2 LEDs. This behavior is configurable through PC
dedicated software: ‘ST7268x Production Tool’.
By default, LED 1 responds to NAND memory access activity and LED 2 responds to USB
activity.
Use of LED 1 is optional. When this option is not active, LED 2 reacts to both USB and
NAND memory activity.
6.2
Read-only switch
The READ ONLY pin of the ST72682 is an input pin to be connected to VDD or GND
depending on the behavior of the device.
●
When this pin is connected to GND, no limitations are applied on the PC command
received.
●
When this pin is connected to VDD or unconnected, the firmware filters all accesses to
the NAND memory which modify the NAND memory state (write, erase, etc.) and
returns an error to the PC.



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