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USB97C242 数据表(PDF) 21 Page - SMSC Corporation

部件名 USB97C242
功能描述  USB 2.0 Flash Drive Controller
PDF  22 Pages
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制造商  SMSC [SMSC Corporation]
网页  http://www.smsc.com
标志 SMSC - SMSC Corporation

USB97C242 数据表(HTML) 21 Page - SMSC Corporation

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USB 2.0 Flash Drive Controller
Datasheet
SMSC USB97C242
Page 21
Revision 1.4 (02-16-06)
DATASHEET
Chapter 11 GPIO Usage Table
Table 11.1 - GPIO Usage
NAME
ACTIVE
LEVEL
SYMBOL
DESCRIPTION AND NOTE
GPIO1
H
Flash Media Activity LED
Indicates media activity. Media or
USB cable must not be removed
with LED lit. Active High.
GPIO2
H
Ready/Busy# 1/4
Ready/Busy# line from NAND
Flash chips 0, or 0 & 4
GPIO3
H
V_BUS
USB V bus dectect
GPIO4
H
Ready/Busy# for Chips 1/5
Ready/Busy# line from NAND
Flash chips 1, or 1 & 5
GPIO5
H
HS_IND/Ready/Busy# 2/6
In Rom -03; HS_LED output
indicator; in later ROM patterns,
the Ready/Busy# line from NAND
Flash chips 2, or 2 & 6
GPIO6
H
A16
A16 address line when external
Rom is used; unused output
otherwise.
GPIO7
H
Ready/Busy# 3/7
Ready/Busy# line from NAND
Flash chips 3, or 3 & 7



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