参数资料
型号: M68HC705UGANG
厂商: 飞思卡尔半导体(中国)有限公司
英文描述: High-density complementary metal oxide semiconductor (HCMOS) microcontroller unit
中文描述: 高密度互补金属氧化物半导体(HCMOS)微控制器
文件页数: 89/112页
文件大小: 809K
代理商: M68HC705UGANG
MC68HC05BD3
11-1
OPERATING MODES
11
11
OPERATING MODES
The MC68HC05BD3/MC68HC05BD5/MC68HC705BD3MCU has two modes of operation, the
User Mode and the Self-Check/BootstrapMode. Figure 11-1 shows the flowchart of entry to these
two modes, and Table 11-1 shows operating mode selection.
Figure 11-1
Flowchart of Mode Entering
PB5 = V
DD
RESET
IRQ
SELF-CHECK/
BOOTSTRAP
MODE
USER MODE
(NORMAL MODE)
5V
9V
N
Y
Y
Self-check mode is for MC68HC05BD3/BD5
Bootstrap mode is for MC68HC705BD3
Note:
TPG
87
F
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
n
.
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