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HMS99C52 Datasheet, PDF (21/43 Pages) Hynix Semiconductor – 8-BIT SINGLE-CHIP MICROCONTROLLERS
HMS99C5X Series
XTAL1
XTAL1:2
X2 bit
CPU Clock
STD Mode
Figure 3. Mode Swithcing Waveforms
.
X2 Mode
STD Mode
Jan. 2003 Ver 1.0
17