參數(shù)資料
型號(hào): MC68HC705J5A
廠商: 飛思卡爾半導(dǎo)體(中國)有限公司
英文描述: 8-bit microcontroller units
中文描述: 8位微控制器單元
文件頁數(shù): 87/106頁
文件大小: 670K
代理商: MC68HC705J5A
July 16, 1999
GENERAL RELEASE SPECIFICATION
ELECTRICAL SPECIFICATIONS
For More Information On This Product,
Go to: www.freescale.com
REV 2.1
11-5
11.5
CONTROL TIMING
Table 11-3. Control Timing, V
DD
=5V
Characteristic
1
1. V
DD
= 5.0Vdc ±10%, V
SS
= 0 Vdc, T
A
= 0
°
C to +70
°
C, unless otherwise noted.
2. The minimum period t
or t
IHIH
should not be less than the number of cycles it takes to execute the interrupt
service routine plus 19 t
CYC
.
3. t
slow
is a parameter dependent on f
OSC
and loading.
Symbol
Min
Max
Units
Frequency of Operation
Crystal Oscillator Option
External Clock Source
f
OSC
f
OSC
DC
4.2
4.2
MHz
MHz
Internal Operating Frequency
Crystal Oscillator (f
OSC
÷
2)
External Clock (f
OSC
÷
2)
f
OP
f
OP
DC
2.1
2.1
MHz
MHz
Cycle Time (1/f
OP
)
t
CYC
415
ns
RESET Pulse Width Low
t
RL
1.5
t
CYC
IRQ Interrupt Pulse Width Low (Edge-Triggered)
t
ILIH
0.5
t
CYC
IRQ Interrupt Pulse Period
t
ILIL
see note
2
t
CYC
PA0 to PA3 Interrupt Pulse Width High
(Edge-Triggered)
t
IHIL
0.5
t
CYC
PA0 to PA3 Interrupt Pulse Period
t
IHIH
see note 3
t
CYC
PA7 Interrupt Pulse Width Low
t
ILIH
0.5
t
CYC
OSC1 Pulse Width
t
OH
, t
OL
200
ns
Output High to Low Transition Period on
PA6, PA7, PB1
3
t
SLOW
0.5 (typical)
t
CYC
Table 11-4. Control Timing, V
DD
=2.2V
Characteristic
1
1. V
DD
= 2.2Vdc ±10%, V
SS
= 0 Vdc, T
A
= 0
°
C to +70
°
C, unless otherwise noted.
Symbol
Min
Max
Units
Frequency of Operation
Crystal Oscillator Option
External Clock Source
f
OSC
f
OSC
DC
2.1
2.1
MHz
MHz
F
Freescale Semiconductor, Inc.
n
.
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