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NXP Semiconductors
PCA9625
16-bit Fm+ I 2 C-bus 100 mA 24 V LED driver
7.3.2 Mode register 2, MODE2
Table 6. MODE2 - Mode register 2 (address 01h) bit description
Legend: * default value.
Bit
7
6
5
Symbol
-
-
DMBLNK
Access
read only
read only
R/W
Value
0*
0*
0*
Description
reserved
reserved
group control = dimming.
1
group control = blinking.
4
3
INVRT
OCH
R/W
R/W
0*
0*
reserved; write must always be a logic 0
outputs change on STOP command [1]
1
outputs change on ACK
2
1
0
-
-
-
R/W
R/W
R/W
1*
0*
1*
reserved; write must always be a logic 1
reserved; write must always be a logic 0
reserved; write must always be a logic 1
[1]
Change of the outputs at the STOP command allows synchronizing outputs of more than one PCA9625.
Applicable to registers from 02h (PWM0) to 08h (LEDOUT) only.
7.3.3 PWM0 to PWM15, individual brightness control
Table 7. PWM0 to PWM15 - PWM registers 0 to 15 (address 02h to 11h) bit description
Legend: * default value.
Address
Register
Bit
Symbol
Access Value
Description
02h
03h
04h
05h
06h
07h
08h
09h
0Ah
0Bh
0Ch
0Dh
0Eh
0Fh
10h
11h
PWM0
PWM1
PWM2
PWM3
PWM4
PWM5
PWM6
PWM7
PWM8
PWM9
PWM10
PWM11
PWM12
PWM13
PWM14
PWM15
7:0
7:0
7:0
7:0
7:0
7:0
7:0
7:0
7:0
7:0
7:0
7:0
7:0
7:0
7:0
7:0
IDC0[7:0]
IDC1[7:0]
IDC2[7:0]
IDC3[7:0]
IDC4[7:0]
IDC5[7:0]
IDC6[7:0]
IDC7[7:0]
IDC8[7:0]
IDC9[7:0]
IDC10[7:0]
IDC11[7:0]
IDC12[7:0]
IDC13[7:0]
IDC14[7:0]
IDC15[7:0]
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
0000 0000* PWM0 Individual Duty Cycle
0000 0000* PWM1 Individual Duty Cycle
0000 0000* PWM2 Individual Duty Cycle
0000 0000* PWM3 Individual Duty Cycle
0000 0000* PWM4 Individual Duty Cycle
0000 0000* PWM5 Individual Duty Cycle
0000 0000* PWM6 Individual Duty Cycle
0000 0000* PWM7 Individual Duty Cycle
0000 0000* PWM8 Individual Duty Cycle
0000 0000* PWM9 Individual Duty Cycle
0000 0000* PWM10 Individual Duty Cycle
0000 0000* PWM11 Individual Duty Cycle
0000 0000* PWM12 Individual Duty Cycle
0000 0000* PWM13 Individual Duty Cycle
0000 0000* PWM14 Individual Duty Cycle
0000 0000* PWM15 Individual Duty Cycle
PCA9625_2
? NXP B.V. 2008. All rights reserved.
Product data sheet
Rev. 02 — 15 January 2008
11 of 33
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