参数资料
型号: MC68HC705V8FN
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 8-BIT, OTPROM, 2.1 MHz, MICROCONTROLLER, PQCC68
封装: PLASTIC, LCC-68
文件页数: 70/172页
文件大小: 890K
代理商: MC68HC705V8FN
MOTOROLA
SECTION 17: ELECTRICAL SPECIFICATIONS
Page 150
MC68HC705V8 Specification Rev. 2.1
17.8
CONTROL TIMING
(VDD =3.5-4.75 Vdc ±10%, VSS = 0 Vdc, TA = -40°C to +85°C, unless otherwise noted)
NOTES:
1. The 2-bit timer prescaler is the limiting factor in determining timer resolution.
2. 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.
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.
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
note 3
nS
---
tILIH
IRQ Interrupt Pulse Width Low (Edge-Triggered)
120
tCYC
---
tRL
RESET Pulse Width Low
1.5
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
mS
---
tEEPGM
EEPROM Programming Time per Byte
15
mS
---
tEBYT
EEPROM Erase Time per Byte
15
mS
---
tEBLOCK
EEPROM Erase Time per Block
15
S
10
tFPV
EEPROM Programming Voltage Discharge Period
s
5.0
t
RCON
RC Oscillator Stabilization Time
--
mS
---
tEBULK
EEPROM Bulk Erase Time
15
16-Bit Timer
Resolution (note 2)
Input Capture Pulse Width (See Figure 11-2)
Input Capture Period
tCYC
nS
tCYC
tRESL
tTH,tTL
tTLTL
4.0
250
note 4
--
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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