參數(shù)資料
型號: MC68HC705P9DW
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, OTPROM, 2.1 MHz, MICROCONTROLLER, PDSO28
封裝: SOIC-28
文件頁數(shù): 54/160頁
文件大小: 2208K
代理商: MC68HC705P9DW
Electrical Specifications
3.3 V Control Timing
MC68HC705P9 — Rev. 4.0
Technical Data
MOTOROLA
Electrical Specifications
147
12.12 3.3 V Control Timing
Figure 12-5. Test Load
Characteristic
Symbol
Min
Max
Unit
Oscillator Frequency
Crystal
External Clock
fOSC
dc
2.0
MHz
Internal Operating Frequency (fOSC ÷ 2)
Crystal
External Clock
fOP
dc
1.0
MHz
Cycle Time (1
÷ f
OP)tCYC
1
ms
Crystal Oscillator Startup Time
tOXOV
100
ms
Stop Recovery Startup Time (Crystal Oscillator)
tILCH
100
ms
RESET Pulse Width
tRL
1.5
tCYC
Timer
Resolution(1)
Input Capture Pulse Width
Input Capture Pulse Period
1. A 2-bit prescaler in the timer is the limiting factor as it counts 4 tCYC
tRESL
tH, tL
tTLTL
4.0
250
Note(2)
2. The minimum tTLTL should not be less than the number of interrupt service routine cycles plus
19 tCYC
tCYC
ns
tCYC
Interrupt Pulse Width Low (Edge-Triggered)
tILIH
250
ns
Interrupt Pulse Period
tILIL
Note(3)
3. The minimum tILIL should not be less than the number of interrupt service routine cycles plus
19 tCYC
tCYC
OSC1 Pulse Width
tOH, tOL
200
ns
VDD
C
R2
R1
TEST POINT
PINS
PA7–PA0
PB7/SCK–PB5/SDO
PC7/VRH–PC0
R1
3.26 k
R2
2.38 k
C
50 pF
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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