 English |
|
|
|
|
|
|
|
| HD404669 Datasheet, PDF (43/142 Pages) Hitachi Semiconductor – Low-Voltage AS Microcomputers with On-Chip DTMF Generation Circuit | |||
| |||
| ◁ |
Table 13 Oscillator Circuit Examples
External clock
operation
Circuit Configuration
External
oscillator
OSC 1
HD404669 Series
Circuit Constants
â
Ceramic oscillator
(OSC1, OSC2)
Crystal oscillator
(OSC1, OSC2)
Open
OSC2
C1
Ceramic
oscillator
C2
GND
C1
Crystal
oscillator
C2
GND
OSC1
OSC1
Rf
OSC2
OSC1
Rf
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%
Ceramic oscillator: CSA3.58MG (Murata)
Rf = 1 M⦠± 20%
C1 = C2 = 30 pF ± 20%
Ceramic oscillator: CSA8.00MT (Murata)
Rf = 1 M⦠± 20%
C1 = C2 = 30 pF ± 20%
Rf = 1 M⦠± 20%
C1 = C2 = 10 to 22pF ± 20%
OSC2
L CS RS
OSC2
Crystal oscillator: Equivalent circuit at left
C0 =7pF max
Rs = 100⦠max
f = 400kHz, 800kHz, 2MHz, 3.58MHz, 4MHz,
7.16MHz, 8MHz
C0
43
|
▷ |
German
Russian
Spanish
Italian
Polish
Chinese
Japanese
Korean
French
Portuguese