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| MC68HC05F8 Datasheet, PDF (105/126 Pages) Motorola, Inc – High-density complementary metal oxide semiconductor(HCMOS) microcontroller unit | |||
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Freescale Semiconductor, Inc.
12
OPERATING MODES
The MC68HC05F8/MC68HC705F8 MCU has two modes of operation, the User Mode and the
Self-Check/Bootstrap Mode. Figure 12-1 shows the ï¬owchart of entry to these two modes, and
Table 12-1 shows operating mode selection.
5V
RESET
9V
N
IRQ1
?
Y
USER MODE
(NORMAL MODE)
TCAP = VDD ?
Y
SELF-CHECK/
BOOTSTRAP
MODE
Note:
Self-check for MC68HC05F8
Bootstrap mode for MC68HC705F8
Figure 12-1 Flowchart of Mode Entering
12
MC68HC05F8
OPERATING MODES
For More Information On This Product,
Go to: www.freescale.com
TPG
MOTOROLA
12-1
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