參數(shù)資料
型號： MC68HC05E6MFB
廠商： FREESCALE SEMICONDUCTOR INC
元件分類： 微控制器/微處理器
英文描述： 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PQFP44
封裝： PLASTIC, QFP-44
文件頁數(shù)： 15/140頁
文件大小： 1584K
代理商： MC68HC05E6MFB
Electrical Specifications
AC electrical characteristics
MC68HC05E6 — Rev. 1.0
Electrical Specifications
7-elec
AC electrical characteristics
Table 23 AC electrical characteristics for 5V operation
(VDD = 5.0 Vdc ± 10%, VSS = 0 Vdc, TA = TL to TH)
Characteristic
Symbol
Min
Max
Unit
Frequency of operation
Crystal
External clock
fOSC
—
dc
4.2
MHz
Internal operating frequency
Crystal (fOSC /2)
External clock (fOSC /2)
fOP
—
dc
2.1
MHz
Processor cycle time
tCYC
480
—
ns
Ceramic resonator start-up time
tOCOV
—10
ms
Ceramic resonator STOP recovery start-up time
tICCH
—10
ms
OSC1 pulse width
tOH, tOL
90
—
ns
RESET pulse width
tRL
1.5
—
tCYC
EEPROM byte erase time
tEBYT
—10
ms
EEPROM block erase time
tEBLOCK
—
100
ms
EEPROM bulk erase time
tEBULK
—
200
ms
EEPROM byte program time
tEEPGM
—10
ms
EEPROM programming voltage fall time
tFPV
—10
s
RC oscillator stabilization (EEPROM, A/D)(1)
1. For bus frequencies less than 1MHz, the internal RC oscillator should be used when programming the EEPROM.
tADRC
—5
s
A/D current stabilization time
tADON
—
100
s
16-bit timer
Resolution(2)
Input capture pulse width
Input capture pulse period
2. Since the 2-bit prescaler in the timer must count four external cycles (tCYC), this is the limiting factor in determining the
timer resolution.
tRESL
tTLTH
tTLTL
4
250
(3)
3. The minimum period tTLTL should not be less than the number of cycles it takes to execute the capture interrupt service
routine plus 24 tCYC.
—
tCYC
ns
tCYC
Power-on reset delay
tPORL
4064
tCYC
Interrupt pulse width low (edge-triggered)
tILIH
250
—
ns
Interrupt pulse period (see Figure 30)
tILIL
(4)
4. The minimum period tILIL should not be less than the number of cycles it takes to execute the interrupt service routine
plus 21 tCYC.
—
tCYC
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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相關(guān)PDF資料
PDF描述
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