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PC97338 датащи(PDF) 33 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
номер детали PC97338
подробное описание детали  ACPI 1.0 and PC98/99 Compliant SuperI/O
PDF  221 Pages
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производитель  NSC [National Semiconductor (TI)]
домашняя страница  http://www.national.com
Logo NSC - National Semiconductor (TI)

PC97338 датащи(HTML) 33 Page - National Semiconductor (TI)

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WR
18
16
I
Group 1
Write. This active low input signal indicates a write from the
microprocessor to the Chip.
WRITE
95
93
O
Group 11
Write Strobe. This signal is used in EPP mode as write strobe. It is
active low. WRITE is multiplexed with STB. See Table 72 for more
information.
X1
7
5
I
Group 5
Clock. Active clock input signal of 14.318 MHz, 24 MHz or 48
MHz.
ZWS
31
O
Group 13
Zero Wait State. This pin is used for the Zero Wait State open-drain
output signal, when bit 6 of FCR is 0. ZWS is driven low when the
EPP or ECP is written to, and the access time can be shortened.
This pin is CS1 when bit 6 of FCR is 1.
ZWS is multiplexed with the CS1.
Symbol
PQFP
Pin
TQFP
Pin
I/O and
Group #
Function



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