參數(shù)資料
型號: HD407A4669
廠商: Hitachi,Ltd.
英文描述: Low-Voltage AS Microcomputers with On-Chip DTMF Generation Circuit(帶雙音多頻電路的低電壓微計算機)
中文描述: 低電壓如同在微機芯片的DTMF產(chǎn)生電路(帶雙音多頻電路的低電壓微計算機)
文件頁數(shù): 43/142頁
文件大?。?/td> 894K
代理商: HD407A4669
HD404669 Series
43
Table 13 Oscillator Circuit Examples
Circuit Configuration
Circuit Constants
External clock
operation
External
oscillator
OSC
Open
1
OSC
2
Ceramic oscillator
(OSC
1
, OSC
2
)
OSC
2
C
1
2
C
OSC
1
R
f
Ceramic
oscillator
GND
Ceramic oscillator: CSB400P22 (Murata)
CSB400P (Murata)
R
f
= 1 M
±
20%
C
1
= C
2
= 220 pF
±
5%
Ceramic oscillator: CSB800J122 (Murata),
CSB800J (Murata)
R
f
= 1 M
±
20%
C
1
= C
2
= 220 pF
±
5%
Ceramic oscillator: CSA2.00MG (Murata)
R
f
= 1 M
±
20%
C
1
= C
2
= 30 pF
±
20%
Ceramic oscillator: CSA4.00MG (Murata)
R
f
= 1 M
±
20%
C
1
= C
2
= 30 pF
±
20%
Ceramic oscillator: CSA3.58MG (Murata)
R
f
= 1 M
±
20%
C
1
= C
2
= 30 pF
±
20%
Ceramic oscillator: CSA8.00MT (Murata)
R
f
= 1 M
±
20%
C
1
= C
2
= 30 pF
±
20%
R
f
= 1 M
±
20%
C
1
= C
2
= 10 to 22pF
±
20%
Crystal oscillator
(OSC
1
, OSC
2
)
OSC
1
C
1
2
C
OSC
2
Crystal
oscillator
GND
L
S
C
R
S
R
f
C
0
OSC
1
OSC
2
Crystal oscillator: Equivalent circuit at left
C
0
=7pF max
R
s
= 100
max
f = 400kHz, 800kHz, 2MHz, 3.58MHz, 4MHz,
7.16MHz, 8MHz
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