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參數(shù)資料
| 型號(hào)： | USB97C201-MN |
| 廠商： | STANDARD MICROSYSTEMS CORP |
| 元件分類： | 總線控制器 |
| 英文描述： | USB 2.0 ATA/ ATAPI Controller |
| 中文描述： | UNIVERSAL SERIAL BUS CONTROLLER, PQFP100 |
| 封裝： | TQFP-100 |
| 文件頁數(shù)： | 12/59頁 |
| 文件大?。?/td> | 385K |
| 代理商： | USB97C201-MN |
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SMSC DS – USB97C201
Page 12
Rev. 03/25/2002
PRELIMINARY
MISC
12Mhz Crystal or external clock input.
This pin can be connected to one terminal of
the crystal or can be connected to an external
12Mhz clock when a crystal is not used.
12Mhz Crystal
This is the other terminal of the crystal, or left
open when an external clock source is used to
drive XTAL1/CLKIN. It may not be used to
drive any external circuitry other than the
crystal circuit.
This pin produces a 30Mhz clock signal
independent of the processor clock divider. It
is held inactive and low whenever the internal
processor clock is stopped or is being
obtained from the ring oscillator.
These general purpose pins may be used
either as inputs, edge sensitive interrupt
inputs, or outputs. In addition, GPIO0 has the
capability of auto-toggling at a 1Hz rate when
used as an output.
This active low signal is used by the system to
reset the chip. The active low pulse should be
at least 100ns wide.
These signals are used for testing the chip.
User
should
normally
unconnected. For board testing, all pads
except these test inputs are included in an
XNOR chain, such that by tying nTEST2 low,
nIOR will reflect the toggling of a signal on
each pin. Circuit board continuity of the pin
solder connections after assembly can be
checked in this manner
POWER, GROUNDS, and NO CONNECTS
+2.5V Core power
+3.3V I/O power
+2.5 Analog power
Analog Ground Reference
+3.3V Analog power
Analog Ground Reference
Ground Reference
No Connect. These pins should not be
connected externally.
Crystal
Input/External
Clock Input
XTAL1/
CLKIN
ICLKx
Crystal
Output
XTAL2
OCLKx
Clock Output
CLKOUT
O8
General
Purpose I/O
GPIO[0:7]
IO20
RESET input
nRESET
IS
Test input
nTest[0:2}
IP
leave
them
VDD
VDDIO
VDDP
VSSP
VDDA
VSSA
GND
NC
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| USB97CFDC-MN | USB FLOPPY DISK CONTROLLER |
| USB97C202 | ATA/ATAPI CONTROLLER |
| USB97C202-MN-02 | ATA/ATAPI CONTROLLER |
| USB97C223 | capacitor Selection for Internal Regulator Output Pins |
| USB97C243 | capacitor Selection for Internal Regulator Output Pins |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| USB97C202 | 制造商:SMSC 制造商全稱:SMSC 功能描述:USB 2.0 ATA/ATAPI Controller |
| USB97C202_07 | 制造商:SMSC 制造商全稱:SMSC 功能描述:USB 2.0 ATA/ATAPI Controller |
| USB97C202-MN-02 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| USB97C202-MN-04 | 制造商:Rochester Electronics LLC 功能描述:USB 2.0 ATA/ATAPI PERI CNTRLR - Bulk |
| USB97C202-MN-05 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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