AK8996W Datasheet, PDF (24/71 Pages) HuaXinAn Electronics CO.,LTD – Pressure Sensor Control IC

■ Main Routine
Power ON
( & STBYN : “H” )
E E PRO M:O N
(CAdd 00h D[0] set)
n o te 2)
EEPROM initialize
(Add 19h D[7:0] set)
M ea su re m en t
mode routine
ex. Ta:25°C
no te 2 )
VREF adjus tment
r ou tin e
IREF adjus tment
r o u tin e
OSC adjustment
r o u tin e
VTMP adjustment
rou tin e
DET pin normal
operation set
(CAdd 00h D[4:1] set)
調整シーケンス
Offset & Span
te m p er a tu r e
coefficient s et
(Add 04h D[7:0]=7f
Add 05h D[2:0]=3
Add 06h D[7:0]=ff
Add 07h D[7:0]=7f
Add 08h D[7:0]=7f
Add 09h D[2:0]=3
Add 0Ah D[7:0]=ff
Add 0Bh D[2:0]=3
Add 0Ch D[7:0]=ff )
EEPROM:OF F
(CAdd 00h D [0] set)
Offset rough/fine
adjustment routine
ex. Press ure:100k Pa
Span rough/fine
adjustment routine
E EP RO M:O N
(CAdd 00h D[0] set)
Offs et & Span
t e mp e ra tu re
c oefficient set
(Add 04h D[7:0]=0
Add 05h D[2:0]=0
Add 06h D[7:0]=0
Add 07h D[7:0]=0
Add 08h D[7:0]=0
Add 09h D[2:0]=0
Add 0Ah D[7:0]=0
Add 0Bh D[2:0]=0
Add 0Ch D[7:0]=0)
E E PRO M:O FF
(CAdd 00h D[0] set)
Sensor & AK8996
t emp e ra t ure
charac teristic
m e a su re m e n t
ro ut ine
ex. Ta:105°C
Sens or & AK8996
te m pe ra tu r e
ch ara ct erist ic
m ea su re m en t
ro u tin e
ex . Ta:-40°C
Sensor & AK8996
t e mp e rat u re
c haracteristic
me a su r e me n t
r o u tin e
ex. Ta:25°C
EE P RO M: ON
(CAdd 00h D[0] set)
Offset & Span
te m p er a tu r e
coefficient c alculate
(Add 04h D[7:0]
Add 05h D[2:0]
Add 06h D[7:0]
Add 07h D[7:0]
Add 08h D[7:0]
Add 09h D[2:0]
Add 0Ah D[7:0]
Add 0Bh D[2:0]
Add 0Ch D[7:0] set)
EEPR OM:OF F
(CAdd 00h D[0] set)
note) EEPROM Address is indi cated by “Add”,
Control Regis ter Address is indicated by “CAdd”.
note2) In case of Package, each items are unused.
MS1055-J-04
24
[AK8996/W]
Lev el s hift &
Pressure judge set
rou tin e
Offs et rough/fine
adjus tment routine
ex. Press ure:100kPa
Span rough/fine
adjustment routine
ex. Press ure:0kPa
Press ure & damage
check routine
Power OFF
2011/12