Preliminary
ELECTRICAL DATA
S3C2451X RISC MICROPROCESSOR
29-6
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.
A.C. ELECTRICAL CHARACTERISTICS
1/2 VDD_OP1
1/2 VDD_OP1
t
XTALCYC
NOTE:
The clock input from the X
TIpll
pin.
Figure 29-1. XTIpll Clock Timing
t
EXTHIGH
1/2 VDD_OP1
V
IL
V
IL
V
IH
V
IH
1/2 VDD_OP1
t
EXTLOW
t
EXTCYC
NOTE:
The clock input from the EXTCLK pin.
Figure 29-2. EXTCLK Clock Input Timing
HCLK
(internal)
EXTCLK
t
EX2HC
Figure 29-3. EXTCLK/HCLK in case that EXTCLK is used without the PLL