參數(shù)資料
型號(hào): HD404652
廠商: Hitachi,Ltd.
英文描述: 4-Bit Single-Chip Microcomputer
中文描述: 4位單片機(jī)
文件頁(yè)數(shù): 34/109頁(yè)
文件大小: 430K
代理商: HD404652
HD404654 Series
34
Table 18 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%
Notes: 1. Since the circuit constants change depending on the ceramic oscillator and stray capacitance of
the board, the user should consult with the ceramic oscillator manufacturer to determine the
circuit parameters.
2. Wiring among OSC
, OSC
2
, and elements should be as short as possible, and must not cross
other wiring (see figure 20).
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HD404652H 制造商:HITACHI 制造商全稱(chēng):Hitachi Semiconductor 功能描述:4-Bit Single-Chip Microcomputer
HD404652S 制造商:HITACHI 制造商全稱(chēng):Hitachi Semiconductor 功能描述:4-Bit Single-Chip Microcomputer
HD404654 制造商:HITACHI 制造商全稱(chēng):Hitachi Semiconductor 功能描述:4-Bit Single-Chip Microcomputer
HD404654H 制造商:HITACHI 制造商全稱(chēng):Hitachi Semiconductor 功能描述:4-Bit Single-Chip Microcomputer
HD404654S 制造商:HITACHI 制造商全稱(chēng):Hitachi Semiconductor 功能描述:4-Bit Single-Chip Microcomputer