參數(shù)資料
型號(hào): MC68HC05P4ADWE
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDSO28
封裝: SOIC-28
文件頁數(shù): 21/72頁
文件大小: 400K
代理商: MC68HC05P4ADWE
Resets
MC68HC05P4A Data Sheet, Rev. 7.1
28
Freescale Semiconductor
Figure 5-1. Power-On Reset and RESET
OSC1
2
RESET
Internal
Clock
1
Internal
Address
Bus
1
1FFE
1FFF
New
Op
PCH
PCL
V
DD
V
DD
Threshold (1-2 V Typical)
t
VDDR
t
OXOV
4064 t
cyc
t
cyc
t
RL
Internal
Data
Bus
1
1FFE
New
1FFF
PCH
PCL
Op
Code
PCL
PCH
NOTES:
1. Internal timing signal and bus information are not available externally.
2. OSC1 line is not meant to represent frequency. It is only used to represent time.
3. The next rising edge of the internal processor clock following the rising edge of RESET initiates the reset sequence.
3
PC
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