參數(shù)資料
型號: MC68HC08LT8
廠商: 飛思卡爾半導(dǎo)體(中國)有限公司
英文描述: Microcontrollers
中文描述: 微控制器
文件頁數(shù): 149/156頁
文件大?。?/td> 1030K
代理商: MC68HC08LT8
Oscillator Characteristics
MC68HC08LT8 Data Sheet, Rev. 1
Freescale Semiconductor
149
Figure 16-1. RST and IRQ Timing
16.11 Oscillator Characteristics
16.12 Timer Interface Module Characteristics
Table 16-11. Timer Interface Module Characteristics
Table 16-10. Oscillator Specifications
Characteristic
Symbol
Min
Typ
Max
Unit
Oscillator 1 on OSC1 and OSC2 (for system bus)
External reference clock to OSC1
(1)
1. No more than 10% duty cycle deviation from 50%.
2. Use fundamental mode only, do not use overtone crystals or overtone ceramic resonators.
3. Consult crystal vendor data sheet.
f
OSC
dc
16M
Hz
Crystal reference frequency
(2)
f
XTALCLK1
1M
16M
Hz
Crystal load capacitance
(3)
C
L
Crystal fixed capacitance
(3)
C
1
18
pF
Crystal tuning capacitance
(3)
C
2
18
pF
Feedback bias resistor
R
B1
R
S1
4.7
M
Series resistor
0
k
Oscillator 2 on XTAL1 and XTAL2 (for LCD and PPI)
Crystal reference frequency
(2)
f
XTALCLK2
32.768k
Hz
Crystal load capacitance
(3)
C
L
Crystal fixed capacitance
(3)
C
3
10
pF
Crystal tuning capacitance
(3)
C
4
10
pF
Feedback bias resistor
R
B2
R
S2
10
M
Series resistor
10
k
Characteristic
Symbol
Min
Max
Unit
Input capture pulse width
t
TIH,
t
TIL
1/f
OP
RST
IRQ
t
RL
t
ILIH
t
ILIL
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