參數(shù)資料
型號(hào): 68HC05BD7
廠商: Motorola, Inc.
英文描述: 8-Bit Microcontroller Units (MCU).(8位微控制器)
中文描述: 8位微控制器單元(MCU)。(8位微控制器)
文件頁(yè)數(shù): 77/85頁(yè)
文件大?。?/td> 302K
代理商: 68HC05BD7
SECTION 13: ELECTRICAL SPECIFICATIONS
MOTOROLA
Page 67
MC68HC05BD7 Rev. 2.0
GENERAL RELEASE SPECIFICATION
PRELMNARY
13.4
Control Timing
(V
DD
= 5.0 V
dc
±
10%, V
SS
= 0Vdc, T
A
= 0C to +70C, unless otherwise noted
)
NOTE:
1. The minimum period t
I
LIL should not be less than the number of cycles it takes to execute the interrupt service routine plus 21
tCYC.
Characteristic
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
480
ns
Crystal Oscillator Start-up Time (Crystal Oscillator option)
t
OXON
100
ms
RESET Pulse Width Low
t
RL
1.5
t
CYC
IRQ Interrupt Pulse Width Low (Edge-Triggered)
t
ILIH
125
ns
IRQ Interrupt Pulse Period
t
ILIL
note 1
t
CYC
EXTAL Pulse Width
t
OH,
t
OL
100
ns
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