AK8998 Datasheet, PDF (25/59 Pages) Asahi Kasei Microsystems – Preliminary

Measurement mode
routine
Supply voltage &
Drive voltage set
(Add 0Dh D[2:1] set)
Sampling freq. set
(Add 0Dh D[0] set)
SCF ON / OFF &
SCF fc set
(Add 0Dh D[4:3] set)
VTMP
Internal/External set
(Add 0Dh D[5] set)
Vp / Vn set
(Add 0Dh D[6] set)
Span temperature set
(Add 13h D[0] set)
Pressure Detector set
(Add 0Dh D[7] set)
(Add 07h/08h D[6] set)
END
[AK8998/W/D]
S/H circuit output
error adjustment
routine
Register set
* It is necessary to set up a register
in order of the following.
Add 19h D 0Ah set
Add 10h D 34h set
Add 12h D 40h set
Add 17h D 08h set
CSCLK=”H”
VOUT voltage
measurement
CSCLK=”L”
0.5ms<
Level shift set
(Add 0Ah D[0] &
0Bh D[7:0] set)
Register set
* It is necessary to set up a register
in order of the following.
Add 19h D 0Ah set
Add 10h D 34h set
Add 12h D 40h set
Add 17h D 08h set
N
CSCLK=”H”
VOUT voltage
0.5*VDD ?
Y
END
MSxxxxx-E-00
- 24 -
2012/11