AK8996 Datasheet, PDF (66/74 Pages) Asahi Kasei Microsystems – Pressure Sensor Interface IC

[AK8996/W]
p) Pressure detection and self-diagnosis modes (Register name: INT)
Sets up the pressure detector and self-diagnosis circuit integrated with the AK8996.
Address: 18 hex D[5:0]= EOUT[0], EINT1[1:0], EINT2[0], EINT3[1:0]
D[7:0] Symbol
Mode setup
D[7:6]
Reserved
D[5]
EOUT[0] VOUT pin output status setup register when DET pin is high
0 VOUTE Normal state (default)
1 VOUTD VOUT pin Hi-Z output (indeterminate)
D[4:3] EINT1[1:0] Pressure detection & self-diagnosis setup register 1
00 INTOFF Pressure detection & self-diagnosis turned off (default)
01 INTPON Pressure detection valid
10 INTSON Self diagnosis valid
11
D[2]
0
INTON
EINT2[0]
INT1OUT
Pressure detection & self diagnosis valid
Pressure detection & self-diagnosis setup register 2
Pressure detection valid (PTH pin reference is used) (default)
1 INT1IN Pressure detection valid (Internal register reference is used)
D[1:0] EINT3[1:0] Pressure detection & self-diagnosis setup register 3
00
INT<
Detect pressure above threshold (default)
01
INT>
Detect pressure below threshold
10 INT>< Detect pressure either above or below threshold
11 INT<> Detect pressure within a certain range
q) EEPROM batch write mode (Register name: AW)
Initializes the addresses in the EEPROM register map all at once or writes identical data. This
address is not available in the EEPROM.
Address: 19 hex D[7:0]=EAW[7:0]
Name
Content
Address
AW EEPROM batch write 19 hex
Data
D7 D6 D5 D4 D3 D2 D1 D0
EAW7 EAW6 EAW5 EAW4 EAW3 EAW2 EAW1 EAW0
MS1055-E-02
66
2011/12