User`s guide

Rev. 1.10 108 November 14, 2014 Rev. 1.10 109 November 14, 2014
HT66FW2230
Wireless Charger A/D Flash 8-Bit MCU
Demodulator Register Description
TheDEMC0andDEMC1registersaredemodulatorcontrolregisterswhichcontrolthedemodulator
operationmode,PGAandlterfunctions.TheDEMREFregisterisusedtoprovidethereference
voltagesforthedemodulator.DEMACALandDEMCCALareusedtocancelouttheoperational
amplierandcomparatorinputoffset.
DEMC0 Register
Bit 7 6 5 4 3 2 1 0
Name DEM1 DEM0 — — DMS3 DMS2 DMS1 DMS0
R/W R/W R/W — — R/W R/W R/W R/W
POR 0 0 — — 0 0 0 0
Bit7~6 DEM[1:0]:Modeselection
00:Demodulationfunctiondisable,S1,S3on,S0,S2off
01:Demodulationfunctionenableinnon-Invertermode,S0,S3on,S1,S2off
10:DemodulationfunctionenableinInvertermode,S1,S2on,S0,S3off
11:Demodulationfunctionenablein0Vinputmode,S1,S3on,S0,S2off
Note:disablemeansOPA,CMP,DAC,Filteralloff&CMPoutput=low.
Bit5~4 Unimplemented,readas0
Bit3 DMS3:demodulationswitch3control(DMS3)
0:Off(disable8-bitDACifDMS3=1)
1:On
Bit2 DMS2:demodulationswitch2control(DMS2)
0:Off
1:On
Bit1 DMS1:demodulationswitch1control(DMS1)
0:Off
1:On
Bit0 DMS0:demodulationswitch0control(DMS0)
0:Off
1:On