AK09912 Datasheet, PDF (10/42 Pages) HuaXinAn Electronics CO.,LTD – 3-axis Electronic Compass

5.3.4. 4-wire SPI
4-wire SPI is compliant with mode 3 (SPI-mode3).
Parameter
Symbol
Condition
CSB setup time
Tcs
Data setup time
Ts
Data hold time
Th
SK high time
Twh
Vid2.5V
2.5V>Vid1.65V
SK low time
Twl
Vid2.5V
2.5V>Vid1.65V
SK setup time
Tsd
SK to SO delay time Tdd
(Note 12)
CSB to SO delay
Tcd
time (Note 12)
SK rise time
Tr
(Note 13)
SK fall time
Tf
(Note 13)
CSB high time
Tch
(Note 12) SO load capacitance:20pF
(Note 13) Reference value for design.
[4-wire SPI]
Min.
50
50
50
100
150
100
150
50
150
Tcs
CSB
SK
SI
Hi-Z
SO
Ts Th
Tdd
Twh
Twl
ｌ
[AK09912]
Typ.
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
MS1547-E-02
- 10 -
2014/7