
CONFIDENTIAL [AK8999A/AW/AD]
MS1600-E-00 2014/05
- 46 -
5) Register Map
5.1) EEPROM Map
Name Content
Address
(hex)
Data
D7 D6 D5 D4 D3 D2 D1 D0
OCR
SCR
Offset voltage coarse adj.
Output span voltage coarse adj.
00h
ESCR[0] dummy dummy dummy EOCR[3] EOCR[2] EOCR[1] EOCR[0]
0 0 0 0 0 0 0 0
OCF Offset voltage fine adj.
01h
EOCF[7] EOCF[6] EOCF[5] EOCF[4] EOCF[3] EOCF[2] ECCF[1] EOCF[0]
0 0 0 0 0 0 0 0
SC Output span voltage adj.
02h
ESC[7] ESC[6] ESC[5] ESC[4] ESC[3] ESC[2] ESC[1] ESC[0]
0 0 0 0 0 0 0 0
OTS
STS
LVS
Offset voltage temp. drift adj.
Sens. temp. drift adj. (MSB)
Output ref. voltage adj. (MSB)
03h
ELV[8] ESTN[8] ESTP[8] EOTN[8] EOT[8]
0 0 0 0 0
OTP
Offset voltage temp. drift adj.
(High temp. side)
04h
EOTP[7] EOTP[6] EOTP[5] EOTP[4] EOTP[3] EOTP[2] EOTP[1] EOTP[0]
0 0 0 0 0 0 0 0
OTN
Offset voltage temp. drift adj.
(Low temp. side)
05h
EOTN[7] EOTN[6] EOTN[5] EOTN[4] EOTN[3] EOTN[2] EOTN[1] EOTN[0]
0 0 0 0 0 0 0 0
STP
Sens. temp. drift adj.
(High temp. side)
06h
ESTP[7] ESTP[6] ESTP[5] ESTP[4] ESTP[3] ESTP[2] ESTP[1] ESTP[0]
0 0 0 0 0 0 0 0
STN
Sens. temp. drift adj.
(Low temp. side)
07h
ESTN[7] ESTN[6] ESTN[5] ESTN[4] ESTN[3] ESTN[2] ESTN[1] ESTN[0]
0 0 0 0 0 0 0 0
LV Output ref. voltage adj.
08h
ELV[7] ELV[6] ELV[5] ELV[4] ELV[3] ELV[2] ELV[1] ELV[0]
0 0 0 0 0 0 0 0
PTH1 Pressure threshold detector 1
09h
EINV1[0] EINE1[0] EIN1L[0] EPT1[4] EPT1[3] EPT1[2] EPT1[1] EPT1[0]
0 0 0 0 0 0 0 0
PTH2 Pressure threshold detector 2
0Ah
EINV2[0] EINE2[0] EIN2L[0] EPT2[4] EPT2[3] EPT2[2] EPT2[1] EPT2[0]
0 0 0 0 0 0 0 0
HYS1
HYS2
Pressure threshold detector
comparator hysteresis voltage adj.
0Bh
EPTH1[0] EHYS2[1] EHYS2[0] EHYS1[1] EHYS1[0]
0 0 0 0 0
ING Input gain adj.
0Ch
EIG[4] EIG[3] EIG[2] EIG[1] EIG[0]
0 0 0 0 0
MM1 Meas. mode1
0Dh
EVPN[0] ETMP[1] ETMP[0] ESCF[1] ESCF[0] EVD[1] EVD[0] ESF[0]
0 0 0 0 0 0 0 0
MM2 Meas. mode2
0Eh
EVOUT[1] EVOUT[0]
0 0
VREF
IREF
Note1)
VREF voltage adj.
IREF current adj.
0Fh
EIR[3] EIR[2] EIR[1] EIR[0] EVR[2] EVR[1] EVR[0]
0 0 0 0 0 0 0
OSC
VTMP
Note1)
OSC frequency adj.
VTMP coasce adlj.
10h
ETM[8] ETM[7] ETM[6] EFR[3] EFR[2] EFR[1] EFR[0]
0 0 0 0 0 0 0
VTMP
Note1)
VTMP fine adj.
11h
ETM[5] ETM[4] ETM[3] ETM[2] ETM[1] ETM[0]
0 0 0 0 0 0
UE User-writable data
12h
EUE[7] EUE[6] EUE[5] EUE[4] EUE[3] EUE[2] EUE[1] EUE[0]
0 0 0 0 0 0 0 0
13h –
1Ch
MM3 Control register access setup
1Dh
ETST[0]
0
EWE EEPROM Write Enable
1Eh
EWE[0]
0
AW EEPROM batch write mode
1Fh
EAW[7] EAW[6] EAW[5] EAW [4] EAW[3] EAW[2] EAW[1] EAW[0]
Note) Lower line of each data represents the factory settings written to EEPROM.
Access to the reserved addresses is prohibited.
Write “0” to the unused D[7:0].
Note1) For a packaged device, registers are adjusted before shipment. Therefore, defaults are not "0".
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