參數(shù)資料
型號: HD404629R
廠商: Hitachi,Ltd.
英文描述: AS Microcomputer Incorporating a DTMF Generator Circuit(微計算機帶雙音多頻發(fā)生器電路)
中文描述: 由于微機安裝有雙音多頻發(fā)電機斷路器(微計算機帶雙音多頻發(fā)生器電路)
文件頁數(shù): 46/155頁
文件大小: 549K
代理商: HD404629R
HD404629R Series
46
Table 22 Oscillator Circuit Examples
Circuit Configuration
Circuit Constants
External clock
operation
External
oscillator
OSC
Open
1
OSC
2
Ceramic oscillator
(OSC1, OSC2)
OSC
2
C
1
2
C
OSC
1
R
f
Ceramic
oscillator
GND
Ceramic oscillator: CSB400P22 (Murata)
CSB400P (Murata)
Rf = 1 M
±
20%
C1 = C2 = 220 pF
±
5%
Ceramic oscillator: CSB800J122 (Murata),
CSB800J (Murata)
Rf = 1 M
±
20%
C1 = C2 = 220 pF
±
5%
Ceramic oscillator: CSA2.00MG (Murata)
Rf = 1 M
±
20%
C1 = C2 = 30 pF
±
20%
Ceramic oscillator: CSA4.00MG (Murata)
Rf = 1 M
±
20%
C1 = C2 = 30 pF
±
20%
Rf = 1 M
±
20%
C1 = C2 = 10 to 22pF
±
20%
Crystal oscillator
(OSC1, 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 : Equivalent circuit at left
C0 =7pF max
Rs = 100
max
f = 400kHz, 800kHz, 2MHz, 4MHz
Crystal oscillator
(X1, X2)
X1
C
1
2
C
X2
Crystal
oscillator
GND
L
S
C
R
S
C
0
X1
X2
Crystal oscillator: 32.768 kHz: MX38T
(Nippon Denpa)
C
1
= C
= 20 pF
±
20%
R
S
: 14 k
C
0
: 1.5 pF
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