参数资料
型号: MC68HC08QY4CDWE
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, PDSO16
封装: 1.27 MM PITCH, LEAD FREE, PLASTIC, MS-013AA, SOIC-16
文件页数: 45/178页
文件大小: 2311K
代理商: MC68HC08QY4CDWE
Monitor Module (MON)
MC68HC08QY/QT Family Data Sheet, Rev. 1
Freescale Semiconductor
139
Figure 15-9. Simplified Monitor Mode Entry Flowchart
MONITOR MODE ENTRY
POR RESET
PTA0 = 1,
PTA1 = 1, AND
PTA4 = 0?
IRQ = VTST?
YES
NO
YES
NORMAL
USER MODE
NORMAL
MONITOR MODE
INVALID
USER MODE
NO
HOST SENDS
8 SECURITY BYTES
IS RESET
POR?
YES
NO
ARE ALL
SECURITY BYTES
CORRECT?
NO
YES
ENABLE ROM
DISABLE ROM
EXECUTE
MONITOR CODE
DOES RESET
OCCUR?
CONDITIONS
DEBUGGING
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