 English |
|
|
|
|
|
|
|
| MC68HC05BD3 Datasheet, PDF (89/112 Pages) Motorola, Inc – HCMOS microcontroller | |||
| |||
| ◁ |
11
OPERATING MODES
The MC68HC05BD3/MC68HC05BD5/MC68HC705BD3 MCU has two modes of operation, the
User Mode and the Self-Check/Bootstrap Mode. Figure 11-1 shows the ï¬owchart of entry to these
two modes, and Table 11-1 shows operating mode selection.
5V
RESET
9V
N
IRQ
?
Y
USER MODE
(NORMAL MODE)
PB5 = VDD ?
Y
SELF-CHECK /
BOOTSTRAP
MODE
Note:
Self-check mode is for MC68HC05BD3/BD5
Bootstrap mode is for MC68HC705BD3
Figure 11-1 Flowchart of Mode Entering
11
MC68HC05BD3
OPERATING MODES
TPG
MOTOROLA
11-1
|
▷ |
German
Russian
Spanish
Italian
Polish
Chinese
Japanese
Korean
French
Portuguese