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AK8963N Datasheet, PDF (10/38 Pages) Asahi Kasei Microsystems – 3-axis Electronic Compass
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 13)
CSB to SO delay time Tcd
(Note 13)
SK rise time (Note 14)
Tr
SK fall time (Note 14)
Tf
CSB high time
Tch
(Note 13) SO load capacitance: 20pF
(Note 14) 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
[AK8963]
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
MS1356-E-02
- 10 -
2013/10