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MPC821 датащи(PDF) 149 Page - NXP Semiconductors

номер детали MPC821
подробное описание детали  Design Specification
PDF  242 Pages
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производитель  NXP [NXP Semiconductors]
домашняя страница  http://www.nxp.com
Logo NXP - NXP Semiconductors

MPC821 датащи(HTML) 149 Page - NXP Semiconductors

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Support Information
MPC8XXFADS Design Specification—Rev 0.1
PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE
Reset = 0;" open drain
RstDeb1 = !( Rst1 & (!( RstDeb1.fb & Rst0) ) );
" Reset push-button debouncer
AbrDeb1 = !( Abr1 & (!( AbrDeb1.fb & Abr0) ) );
" Abort push-button debouncer
HardResetEn = RstDeb1.fb & AbrDeb1.fb " both buttons are depressed;
# REGULAR_POWER_ON_RESET;
SoftResetEn = RstDeb1.fb & !AbrDeb1.fb;" only reset button depressed
"******************************************************************************
"* Power On reset configuration
"******************************************************************************
equations
Modck.oe = ModckOe;
ModckOe = DRIVE_MODCK_TO_PDA;
Modck2 = L;
@ifndef SLOW_32K_LOCK {
Modck2 = ModIn;" support for 1:513 (32KHz crystal) or
Modck1 = ModIn;" 1:5 (5MHz clock gen.) via CLK4IN
}
@ifdef SLOW_32K_LOCK {
Modck2 = !ModIn;" support for 1:1 or 1:5 from CLK4IN only
Modck1 = H;" no support for 32K oscillator.
}
"******************************************************************************
"* Hard reset configuration
"******************************************************************************
equations
ResetConfig~.oe = H;
DriveConfig~.oe = H;
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com



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