參數(shù)資料
型號: MC68HC05P18MDWR3
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, PDSO28
封裝: SOIC-28
文件頁數(shù): 37/144頁
文件大小: 1348K
代理商: MC68HC05P18MDWR3
MC68HC(8)05P18
R
e
v.
2.0
Adv
ance
Inf
or
mation
MOTOROLA
Electrical
Specifications
131
Electrical
Specifications
Control
Timing
(High-Speed
MC68HC05P18
Only)
Figure 13-3. Power-On Reset and External Reset Timing Diagram
PCH
PCL
OSC12
RESET
INTERNAL
PROCESSOR
INTERNAL
ADDRESS
BUS1
3FFE
3FFF
V
DD
V
DD
THRESHOLD (1–2 V TYPICAL)
t
VDDR
4064 t
CYC
t
CYC
tRL
INTERNAL
DATA
BUS1
3FFE
NEW PC
3FFF
Notes:
1. Internal timing signal and bus information 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 PH2 clock following the rising edge of RESET initiates the reset sequence.
NOTE 3
NEW
OP
CODE
PCL
PCH
NEW PC
OP
CODE
NEW PC
CLOCK1
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