參數(shù)資料
型號(hào): MC68HC705V8CFU
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, PQFP64
封裝: QFP-64
文件頁數(shù): 66/172頁
文件大?。?/td> 890K
代理商: MC68HC705V8CFU
SECTION 17: ELECTRICAL SPECIFICATIONS
MOTOROLA
Page 147
MC68HC705V8 Specification Rev. 2.1
17.5
CONTROL TIMING
(VDD = 5.0 Vdc ±10%, VSS = 0 Vdc, TA = -40°C to +85°C, unless otherwise noted)
NOTES:
1. VDD = 5.0 Vdc ± 10%, VSS = 0 Vdc, TA = TL to TH
2. The 2-bit timer prescaler is the limiting factor in determining timer resolution.
3. The minimum period tILIL or tIHIH should not be less than the number of cycles it takes to execute the interrupt service routine plus 19
tCYC.
4. 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.
Symbol
Characteristic
Min
Max
nS
---
t
OSC
1
OSC1 Pulse Width
90
tCYC
---
tIHIH
PA0-7, PC0-7 Interrupt Pulse Period
note 3
nS
---
tIHIL
PA0-7, PC0-7 Interrupt Pulse Width High (Edge-Triggered)
120
tCYC
---
tILIL
IRQ Interrupt Pulse Period (See Figure 8-1)
note 3
ns
---
tRL
RESET Pulse Width Low (See Figure 8-1)
120
tCYC
TBD
tILCH
Stop Recovery Startup Time (Crystal Oscillator option)
---
tCYC
TBD
tOXON
Crystal Oscillator Startup Time (Crystal Oscillator option)
---
nS
---
tCYC
Cycle Time (1
÷ f
OP)
476
MHz
fOP
Internal Operating Frequency
Crystal Oscillator (fOSC ÷ 2)
External Clock (fOSC ÷ 2)
---
DC
2.1
Units
MHz
4.2
fOSC
Frequency of Operation
Crystal Oscillator Option
External Clock Source
0.1
DC
nS
---
tILHI
IRQ Interrupt Pulse width low (Edge-Triggered)
120
mS
---
tEPGM
EPROM Programming Time per Byte
4
mS
---
tEEPGM
EEPROM Programming Time per Byte
10
mS
---
tEBYT
EEPROM Erase Time per Byte
10
mS
---
tEBLOCK
EEPROM Erase Time per Block
10
S
10
tFPV
EEPROM Programming Voltage Discharge Period
s
5.0
t
RCON
RC Oscillator Stabilization Time
--
mS
---
tEBULK
EEPROM Bulk Erase Time
10
tCYC
nS
tCYC
--
4.0
125
note 4
16-Bit Timer
Resolution (note 2)
Input Capture Pulse Width (See Figure 11-2.)
Input Capture Period
tRESL
tTH,tTL
tTLTL
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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