NXP Semiconductors
UM11009
PCA9745B demonstration board OM13524
UM11009
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© NXP Semiconductors N.V. 2016. All rights reserved.
User manual
Rev. 1 — 23 June 2016
21 of 28
800,02,05,82,80,Comments: write IREFALL = 80h & set exp. gradation adjust for 2nd device
0,02,00,02,00
0,04,01,82,00,Comments: write IREFALL = 00h, set LDR=01 for 2nd device
0,02,05,02,80
0,06,01,04,40,Comments: set LEDOUT0 = 40h for blue LEDs ON, set LDR=01 for 2nd device
0,04,01,02,00
0,08,01,06,40,Comments: set LEDOUT1 = 40h, set LDR=01 for 2nd device
0,06,01,04,40
0,0A,01,08,40,Comments: set LEDOUT2 = 40h, set LDR=01 for 2nd device
0,08,01,06,40
0,50,C3,0A,40,Comments: set LEDOUT3 = 40h, set RAMP_RATE_GRP0=c3h
0,0A,01,08,40
800,52,47,82,80,Comments: write IREFALL = 80h, set STEP_TIME_GRP0=47h
0,50,C3,0A,40
0,54,D0,82,00,Comments: write IREFALL = 00h, set HOLD_CNTL_GRP0=D0h
0,52,47,02,80
0,56,F0,04,05,Comments: set LEDOUT0 = 05h turn on W_R_G_B LEDs, set IREF_GRP0=F0h
0,54,D0,02,00
0,70,11,06,10,Comments: set LEDOUT1 = 10h, set GRAD_MODE_SEL0=11h
0,56,F0,04,05
0,72,11,08,40,Comments: set LEDOUT2 = 40h, set GRAD_MODE_SEL1=11h
0,70,11,06,10
0,74,E4,0A,00,Comments: set LEDOUT3 = 00h, set GRAD_GRP_SEL0=E4h
0,72,11,08,40
800,76,E4,82,20,Comments: write IREFALL = 20h, set GRAD_GRP_SEL1=E4h
0,74,E4,0A,00
0,78,E4,82,00,Comments: write IREFALL = 00h, set GRAD_GRP_SEL2=E4h
0,76,E4,02,20
0,7A,E4,04,00,Comments: set LEDOUT0 = 00h, set GRAD_GRP_SEL3=E4h
0,78,E4,02,00
1,7C,03,06,05,Comments: set LEDOUT1 = 05h, set GRAD_CNTL=03h
0,7A,E4,04,00
4000,82,01,08,10,Comments: set LEDOUT2 = 10h, set IREFALL not 0 to enable gradation operation
0,7C,03,06,05
0,74,00,0A,40,Comments: set LEDOUT3 = 40h, set GRAD_GRP_SEL0=00h
0,02,01,08,10
800,76,00,82,1F,Comments: write IREFALL = 1Fh, set GRAD_GRP_SEL1=00h
0,74,00,0A,40
0,78,00,82,00,Comments: write IREFALL = 00h,set GRAD_GRP_SEL2=00h
