參數(shù)資料
型號: MC68HC05BS8FB
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 2.2 MHz, MICROCONTROLLER, PQFP44
封裝: PLASTIC, QFP-44
文件頁數(shù): 10/128頁
文件大?。?/td> 9691K
代理商: MC68HC05BS8FB
MC68HC05BS8
OPERATING MODES
12
OPERATING MODES
The MC68HC05BS8/
MC68HC705BS8 MCU has two modes of operation, the User Mode and the
Self-Check/
Bootstrap Mode. Figure 12-1 shows the owchart of entry to these two modes, and
Table 12-1 shows operating mode selection.
Figure 12-1 Flowchart of Mode Entering
PB6 = VDD ?
RESET
IRQ
SELF-CHECK/
MODE
USER MODE
5V
9V
?
N
Y
(NORMAL MODE)
BOOTSTRAP
Self-check mode is for MC68HC05BS8
Bootstrap mode is for MC68HC705BS8
Note:
TPG
105
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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