参数资料
型号: MC68HC805P18MP
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 8-BIT, EEPROM, 2.1 MHz, MICROCONTROLLER, PDIP28
封装: PLASTIC, DIP-28
文件页数: 37/144页
文件大小: 1292K
代理商: MC68HC805P18MP
MC68HC(8)05P18 — Rev. 2.0
Advance Information
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
OSC1
2
RESET
INTERNAL
PROCESSOR
INTERNAL
ADDRESS
BUS
1
3FFE
3FFF
V
DD
V
DD
THRESHOLD
(1–2
V
TYPICAL)
t VDDR
4064
t CYC
t RL
INTERNAL
DATA
BUS
1
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
NEW
PC
OP
CODE
NEW
PC
CLOCK
1
F
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e
sc
a
le
S
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m
ic
o
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to
r,
I
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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