參數(shù)資料
型號(hào): MC68HC05BD5P
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDIP40
封裝: PLASTIC, DIP-40
文件頁(yè)數(shù): 101/112頁(yè)
文件大小: 676K
代理商: MC68HC05BD5P
MC68HC05BD3
MOTOROLA
11-1
OPERATING MODES
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 owchart of entry to these
two modes, and Table 11-1 shows operating mode selection.
Figure 11-1 Flowchart of Mode Entering
PB5 = VDD ?
RESET
IRQ
SELF-CHECK/
MODE
USER MODE
5V
9V
?
N
Y
(NORMAL MODE)
BOOTSTRAP
Self-check mode is for MC68HC05BD3/BD5
Bootstrap mode is for MC68HC705BD3
Note:
TPG
87
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