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WM8255 Datasheet(PDF) 40 Page - Cirrus Logic |
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WM8255 Datasheet(HTML) 40 Page - Cirrus Logic |
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40 / 49 page  Production Data WM8255 w PD, Rev 4.7, August 2013 40 DEVICE CONFIGURATION REGISTER MAP The following table describes the location of each control bit used to determine the operation of the WM8255. The register map is programmed by writing the required codes to the appropriate addresses via the serial interface. Address <a5:a0> Description Def (hex) RW BIT b7 b6 b5 b4 b3 b2 b1 b0 000001 Setup Reg 1 03 RW TREG_OPEN MODE3 PGAFS[1] PGAFS[0] VSMPDET 0 CDS EN 000010 Setup Reg 2 00 RW DEL[1] DEL[0] 0 RLCINT VRLCEXT INVOP 2BITOP POSNEG 000011 Setup Reg 3 13 RW INTM[1] INTM[0] CDSREF [1] CDSREF [0] RLCV[3] RLCV[2] RLCV[1] RLCV[0] 000100 Software Reset 00 W 000101 Setup Reg 4 00 RW 0 LEDIMAX 0 0 0 VDEL[2] VDEL[1] VDEL[0] 000110 Setup Reg 5 20 RW LEDIDACR [7] LEDIDACR [6] LEDIDACR [5] LEDIDACR [4] LEDIDACR [3] LEDIDACR [2] LEDIDACR [1] LEDIDACR [0] 000111 Setup Reg 6 20 RW LEDIDACG [7] LEDIDACG [6] LEDIDACG [5] LEDIDACG [4] LEDIDACG [3] LEDIDAC [2] LEDIDACG [1] LEDIDACG [0] 001000 Setup Reg 7 20 RW LEDIDACB [7] LEDIDACB [6] LEDIDACB [5] LEDIDACB [4] LEDIDACB [3] LEDIDACB [2] LEDIDACB [1] LEDIDACB [0] 001001 Setup Reg 8 C0 RW STATE_ RST[1] STATE_ RST[0] 0 LEDIRNGG [1] LEDIRNGG [0] 0 LEDIRNGR [1] LEDIRNGR [0] 001010 Setup Reg 9 00 RW ILIMITEN [1] ILIMITEN[0] MONOMODE MONOTG REQLEDST 0 LEDIRNGB [1] LEDIRNGB [0] 001011 Setup Reg 10 E4 RW STATE3 [1] STATE3 [0] STATE2 [1] STATE2 [0] STATE1 [1] STATE1 [0] STATE0 [1] STATE0 [0] 001100 Setup Reg 11 00 RW LEDPWM PER[7] LEDPWM PER[6] LEDPWM PER[5] LEDPWM PER[4] LEDPWM PER[3] LEDPWM PER[2] LEDPWM PER[1] LEDPWM PER[0] 001101 Setup Reg 12 00 RW CLKDIV[3] CLKDIV[2] CLKDIV[1] CLKDIV[0] LEDPWM PER[11] LEDPWM PER[10] LEDPWM PER[9] LEDPWM PER[8] 001110 Setup Reg 13 00 RW LEDPWM DCR[7] LEDPWM DCR[6] LEDPWM DCR[5] LEDPWM DCR[4] LEDPWM DCR[3] LEDPWM DCR[2] LEDPWM DCR[1] LEDPWM DCR[0] 001111 Setup Reg 14 00 RW LEDPWM DCG[7] LEDPWM DCG[6] LEDPWM DCG[5] LEDPWM DCG[4] LEDPWM DCG[3] LEDPWM DCG[2] LEDPWM DCG[1] LEDPWM DCG[0] 100000 DAC Value (Red) 80 RW DACR[7] DACR[6] DACR[5] DACR[4] DACR[3] DACR[2] DACR[1] DACR[0] 100001 DAC Value (Green) 80 RW DACG[7] DACG[6] DACG[5] DACG[4] DACG[3] DACG[2] DACG[1] DACG[0] 100010 DAC Value (Blue) 80 RW DACB[7] DACB[6] DACB[5] DACB[4] DACB[3] DACB[2] DACB[1] DACB[0] 100011 DAC Value (RGB) 80 W DAC[7] DAC[6] DAC[5] DAC[4] DAC[3] DAC[2] DAC[1] DAC[0] 100100 Setup Reg 15 00 RW LEDPWM DCB[7] LEDPWM DCB[6] LEDPWM DCB[5] LEDPWM DCB[4] LEDPWM DCB[3] LEDPWM DCB[2] LEDPWM DCB[1] LEDPWM DCB[0] 100101 Setup Reg 16 11 RW LEDPWM DCG[11] LEDPWM DCG[10] LEDPWM DCG[9] LEDPWM DCG[8] LEDPWM DCR[11] LEDPWM DCR[10] LEDPWM DCR[9] LEDPWM DCR[8] 100110 Setup Reg 17 01 RW LEDSTART [3] LEDSTART [2] LEDSTART [1] LEDSTART [0] LEDPWM DCB[11] LEDPWM DCB[10] LEDPWM DCB[9] LEDPWM DCB[8] 100111 Setup Reg 18 10 RW LEDSTART [4] LEDSTOPR [6] LEDSTOPR [5] LEDSTOPR [4] LEDSTOPR [3] LEDSTOPR [2] LEDSTOPR [1] LEDSTOPR [0] 101000 PGA Gain (Red) 00 RW PGAR[7] PGAR[6] PGAR[5] PGAR[4] PGAR[3] PGAR[2] PGAR[1] PGAR[0] 101001 PGA Gain (Green) 00 RW PGAG[7] PGAG[6] PGAG[5] PGAG[4] PGAG[3] PGAG[2] PGAG[1] PGAG[0] 101010 PGA Gain (Blue) 00 RW PGAB[7] PGAB[6] PGAB[5] PGAB[4] PGAB[3] PGAB[2] PGAB[1] PGAB[0] |
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