AK8975 データシートの表示（PDF） - Asahi Kasei Microdevices
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コンポーネント説明
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AK8975 Datasheet PDF : 34 Pages
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5.3.4. 4-wire SPI
4-wire SPI is compliant with mode 3
Parameter
Symbol
CSB setup time
Tcs
Data setup time
Ts
Data hold time
Th
SK high time
Twh
SK low time
Twl
SK setup time
Tsd
SK to SO delay time Tdd
(Note 12)
CSB to SO delay time Tcd
(Note 12)
SK rise time (Note 13)
Tr
SK fall time (Note 13)
Tf
CSB high time
Tch
(Note 12) SO load capacitance: 20pF
(Note 13) Reference value for design.
Condition
Vid≥2.5V
2.5V>Vid≥1.65V
Vid≥2.5V
2.5V>Vid≥1.65V
[4-wire SPI]
Tcs
CSB
SK
SI
Hi-Z
SO
Ts Th
Tdd
Min.
50
50
50
100
150
100
150
50
Typ.
150
Twh
Twl
[AK8975/C]
Max. Unit
ns
ns
ns
ns
ns
ns
ns
ns
50
ns
50
ns
100
ns
100
ns
ns
Tch
Tsd
Tcd
Hi-Z
[Rise time and fall time]
Tr
Tf
0.9Vid
0.1Vid
SK
MS1187-E-02
-9-
2010/05
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