參數(shù)資料
型號: HD40A4354S
廠商: Hitachi,Ltd.
英文描述: 4-bit HMCS400-Series microcomputer
中文描述: 4位HMCS400系列微機
文件頁數(shù): 31/100頁
文件大?。?/td> 398K
代理商: HD40A4354S
HD404358 Series
31
Table 20
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
GND
Ceramic oscillator:
CSA4.00MG
(Murata)
R
f
= 1 M
±
20%
C
1
= C
2
= 30 pF
±
20%
Crystal oscillator
(OSC
1
, OSC
2
)
OSC
2
C
1
2
C
OSC
1
R
f
Crystal
GND
L
S
C
R
S
C
O
OSC
1
OSC
2
R
f
= 1 M
±
20%
C
1
= C
2
= 10 to 22 pF
±
20%
Crystal: Equivalent to circuit
shown below
C
0
= 7 pF max.
R
S
= 100
max.
Notes: 1. Since the circuit constants change depending on the crystal or ceramic oscillator and stray
capacitance of the board, the user should consult with the crystal or 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 18).
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HD40A4356 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:microcomputer has an A/D converter,
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HD40A4356S 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:4-bit HMCS400-Series microcomputer
HD40A4358 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:microcomputer has an A/D converter,