AK8996 Datasheet, PDF (30/74 Pages) Asahi Kasei Microsystems – Pressure Sensor Interface IC

[AK8996/W]
■ Sub Routine
Sensor & AK8996
te m p era tu re
charac teris tic
meas urement
ro utin e
ex. Press ure:0kPa
CAdd 01h D[3,2] set
Sensor temperature
offset voltage
meas urement
ex. Pres sure:100kPa
Sensor temperature
posit ive span v oltage
meas urement
ex. Press ure:-100k Pa
Sensor temperature
negative s pan voltage
meas urement
ex. Pressure: 0k Pa
CAdd 01h D[ 5: 4, 3, 2,
1:0] set
AK8996 2^nd order
temperat ure offset
voltage measurement
CAdd 01h D[1:0] set
AK8996 1^st order
temperat ure offset
voltage measurement
CAdd 01h D[5:4, 3, 2,
1:0] set
AK8996 2^nd order
t emperature span
voltage measurement
CAdd 01h D[1:0] set
AK8996 1^st order
t emperature span
voltage measurement
END
note) EEPROM Address is indicated by “Add”,
Control Register Address is indicated by “CAdd”.
Pressure & damage
check routine
EEPR OM:ON
(CAdd 00h D[ 0] set)
Function ON/OF F set
(Add 18h D[4: 3] set)
D[4:3] : 1, 3h
Function select
(Add 18h D[2] set)
D[ 2] : 0h
D[2] : 1h
Pres sure lev el set
(Add 10h D[3:0] set)
Pressure level set
(Add 11h D[ 2:0] &
0Fh D [2:0] s et)
Pressure lev el check
(CAdd 00h D[4:1] set )
Lev el function set
(Add 18h D[1:0] set)
VO UT output control
(Add 18h D[5] set)
END
MS1055-E-02
30
2011/12