參數(shù)資料
型號: MC68HSC05J1A
廠商: 飛思卡爾半導(dǎo)體(中國)有限公司
英文描述: Microcontrollers
中文描述: 微控制器
文件頁數(shù): 105/128頁
文件大小: 1620K
代理商: MC68HSC05J1A
Electrical Specifications
5.0-Volt Control Timing
MC68HC05J1A — Rev. 3.0
Technical Data
MOTOROLA
Electrical Specifications
For More Information On This Product,
Go to: www.freescale.com
105
10.9 5.0-Volt Control Timing
Characteristic
(1)
1. V
DD
= 5.0 Vdc
±
10%; V
SS
= 0 Vdc; T
A
= T
L
to T
H
2. Use only AT-cut crystals.
3. The 2-bit timer prescaler is the limiting factor in determining timer resolution.
4. The minimum period, t
ILIL
or t
IHIH
, should not be less than the number of cycles required to execute the interrupt service
routine plus 19
t
cyc
.
Symbol
Min
Max
Unit
Oscillator frequency
Crystal/ceramic resonator mask option
(2)
RC oscillator mask option
External clock mask option
f
OSC
dc
4.2
4.2
4.2
MHz
Internal operating frequency (f
OSC
÷
2)
Crystal oscillator
Ceramic resonator
RC oscillator
External clock
f
op
dc
2.1
2.1
2.1
2.1
MHz
Cycle time (1
÷
f
op
)
t
cyc
476
ns
RESET pulse width low (edge-triggered)
t
RL
1.5
t
cyc
Timer resolution
(3)
t
RESL
4.0
t
cyc
IRQ interrupt pulse width low (edge-triggered)
t
ILIH
125
ns
IRQ interrupt pulse period
t
ILIL
(4)
t
cyc
PA3–PA0 interrupt pulse width high (edge-triggered)
t
IHIL
125
ns
PA3–PA0 interrupt pulse period
t
IHIH
(4)
t
cyc
OSC1 pulse width
t
OH
, t
OL
200
ns
F
Freescale Semiconductor, Inc.
n
.
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