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PRELIMINARY
ELECTRICAL DATA
S3C6400X
RISC MICROPROCESSOR
41-12
Preliminary product information describe products that are in development,
for which full characterization data and associated errata are not yet available.
Specifications and information herein are subject to change without notice.
Table 41-7. Clock Timing Constants
(VDDINT= 1.0V
±
0.05V, TA = -40 to 85
°
C, VDDSYS = 3.3V
±
0.3V, 2.5V
±
0.25V, 1.8V
±
0.15V)
Parameter Symbol
Min
Typ
Max
Unit
VDDpadIO to VDDALIVE
tOA
0
ms
VDDALIVE to VDDINT/VDDARM
tAI
1
us
VDDARM to PWR_EN(PWRRGTON)
tAE
1
10
ns
VDDLOGIC/VDDARM to Oscillator stabilization tOSC
10 cycle
Oscillator stabilization to nRESET & nTRST high
tOR
1
us
External clock input high level pulse width
t
EXTHIGH
20 - ns
External clock to HCLK (without PLL)
t
EX2HC
5 10 ns
HCLK (internal) to CLKOUT
t
HC2CK
4 10 ns
HCLK (internal) to SCLK
t
HC2SCLK
2 8 ns
Reset assert time after clock stabilization
t
RESW
4 -
XTIpll or
EXTCLK
PLL Lock Time
t
PLL
300 - us
Sleep mode return oscillation setting time.
(2)
t
OSC2
2
4
2
16
XTIpll or
EXTCLK
The interval before CPU runs after nRESET is
released.
t
RST2RUN
5 -
XTIpll or
EXTCLK