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PCA9685BS,118

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P33P34-P36P37-P39P40-P42P43-P45P46-P48P49-P51P52-P52
PCA9685 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2015. All rights reserved.
Product data sheet Rev. 4 — 16 April 2015 22 of 52
NXP Semiconductors
PCA9685
16-channel, 12-bit PWM Fm+ I
2
C-bus LED controller
18h LED4_OFF_L 7:0 LED4_OFF_L[7:0] R/W
0000 0000*
LEDn_OFF count for LED4, 8 LSBs
19h LED4_OFF_H 7:5 reserved R
000*
non-writable
4 LED4_OFF_H[4] R/W
1*
LED4 full OFF
3:0 LED4_OFF_H[3:0] R/W
0000*
LEDn_OFF count for LED4, 4 MSBs
1Ah LED5_ON_L 7:0 LED5_ON_L[7:0] R/W
0000 0000*
LEDn_ON count for LED5, 8 LSBs
1Bh LED5_ON_H 7:5 reserved R
000*
non-writable
4 LED5_ON_H[4] R/W
0*
LED5 full ON
3:0 LED5_ON_H[3:0] R/W
0000*
LEDn_ON count for LED5, 4 MSBs
1Ch LED5_OFF_L 7:0 LED5_OFF_L[7:0] R/W
0000 0000*
LEDn_OFF count for LED5, 8 LSBs
1Dh LED5_OFF_H 7:5 reserved R
000*
non-writable
4 LED5_OFF_H[4] R/W
1*
LED5 full OFF
3:0 LED5_OFF_H[3:0] R/W
0000*
LEDn_OFF count for LED5, 4 MSBs
1Eh LED6_ON_L 7:0 LED6_ON_L[7:0] R/W
0000 0000*
LEDn_ON count for LED6, 8 LSBs
1Fh LED6_ON_H 7:5 reserved R
000*
non-writable
4 LED6_ON_H[4] R/W
0*
LED6 full ON
3:0 LED6_ON_H[3:0] R/W
0000*
LEDn_ON count for LED6, 4 MSBs
20h LED6_OFF_L 7:0 LED6_OFF_L[7:0] R/W
0000 0000*
LEDn_OFF count for LED6, 8 LSBs
21h LED6_OFF_H 7:5 reserved R
000*
non-writable
4 LED6_OFF_H[4] R/W
1*
LED6 full OFF
3:0 LED6_OFF_H[3:0] R/W
0000*
LEDn_OFF count for LED6, 4 MSBs
22h LED7_ON_L 7:0 LED7_ON_L[7:0] R/W
0000 0000*
LEDn_ON count for LED7, 8 LSBs
23h LED7_ON_H 7:5 reserved R
000*
non-writable
4 LED7_ON_H[4] R/W
0*
LED7 full ON
3:0 LED7_ON_H[3:0] R/W
0000*
LEDn_ON count for LED7, 4 MSBs
24h LED7_OFF_L 7:0 LED7_OFF_L[7:0] R/W
0000 0000*
LEDn_OFF count for LED7, 8 LSBs
25h LED7_OFF_H 7:5 reserved R
000*
non-writable
4 LED7_OFF_H[4] R/W
1*
LED7 full OFF
3:0 LED7_OFF_H[3:0] R/W
0000*
LEDn_OFF count for LED7, 4 MSBs
26h LED8_ON_L 7:0 LED8_ON_L[7:0] R/W
0000 0000*
LEDn_ON count for LED8, 8 LSBs
27h LED8_ON_H 7:5 reserved R
000*
non-writable
4 LED8_ON_H[4] R/W
0*
LED8 full ON
3:0 LED8_ON_H[3:0] R/W
0000*
LEDn_ON count for LED8, 4 MSBs
28h LED8_OFF_L 7:0 LED8_OFF_L[7:0] R/W
0000 0000*
LEDn_OFF count for LED8, 8 LSBs
29h LED8_OFF_H 7:5 reserved R
000*
non-writable
4 LED8_OFF_H[4] R/W
1*
LED8 full OFF
3:0 LED8_OFF_H[3:0] R/W
0000*
LEDn_OFF count for LED8, 4 MSBs
Table 7. LED_ON, LED_OFF control registers (address 06h to 45h) bit description …continued
Legend: * default value.
Address Register Bit Symbol Access Value Description
PCA9685 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2015. All rights reserved.
Product data sheet Rev. 4 — 16 April 2015 23 of 52
NXP Semiconductors
PCA9685
16-channel, 12-bit PWM Fm+ I
2
C-bus LED controller
2Ah LED9_ON_L 7:0 LED9_ON_L[7:0] R/W
0000 0000*
LEDn_ON count for LED9, 8 LSBs
2Bh LED9_ON_H 7:5 reserved R
000*
non-writable
4 LED9_ON_H[4] R/W
0*
LED9 full ON
3:0 LED9_ON_H[3:0] R/W
0000*
LEDn_ON count for LED9, 4 MSBs
2Ch LED9_OFF_L 7:0 LED9_OFF_L[7:0] R/W
0000 0000*
LEDn_OFF count for LED9, 8 LSBs
2Dh LED9_OFF_H 7:5 reserved R
000*
non-writable
4 LED9_OFF_H[4] R/W
1*
LED9 full OFF
3:0 LED9_OFF_H[3:0] R/W
0000*
LEDn_OFF count for LED9, 4 MSBs
2Eh LED10_ON_L 7:0 LED10_ON_L[7:0] R/W
0000 0000*
LEDn_ON count for LED10, 8 LSBs
2Fh LED10_ON_H 7:5 reserved R
000*
non-writable
4 LED10_ON_H[4] R/W
0*
LED10 full ON
3:0 LED10_ON_H[3:0] R/W
0000*
LEDn_ON count for LED10, 4 MSBs
30h LED10_OFF_L 7:0 LED10_OFF_L[7:0] R/W
0000 0000*
LEDn_OFF count for LED10, 8 LSBs
31h LED10_OFF_H 7:5 reserved R
000*
non-writable
4 LED10_OFF_H[4] R/W
1*
LED10 full OFF
3:0 LED10_OFF_H[3:0] R/W
0000*
LEDn_OFF count for LED10, 4 MSBs
32h LED11_ON_L 7:0 LED11_ON_L[7:0] R/W
0000 0000*
LEDn_ON count for LED11, 8 LSBs
33h LED11_ON_H 7:5 reserved R
000*
non-writable
4 LED11_ON_H[4] R/W
0*
LED11 full ON
3:0 LED11_ON_H[3:0] R/W
0000*
LEDn_ON count for LED11, 4 MSBs
34h LED11_OFF_L 7:0 LED11_OFF_L[7:0] R/W
0000 0000*
LEDn_OFF count for LED11, 8 LSBs
35h LED11_OFF_H 7:5 reserved R
000*
non-writable
4 LED11_OFF_H[4] R/W
1*
LED11 full OFF
3:0 LED11_OFF_H[3:0] R/W
0000*
LEDn_OFF count for LED11, 4 MSBs
36h LED12_ON_L 7:0 LED12_ON_L[7:0] R/W
0000 0000*
LEDn_ON count for LED12, 8 LSBs
37h LED12_ON_H 7:5 reserved R
000*
non-writable
4 LED12_ON_H[4] R/W
0*
LED12 full ON
3:0 LED12_ON_H[3:0] R/W
0000*
LEDn_ON count for LED12, 4 MSBs
38h LED12_OFF_L 7:0 LED12_OFF_L[7:0] R/W
0000 0000*
LEDn_OFF count for LED12, 8 LSBs
39h LED12_OFF_H 7:5 reserved R
000*
non-writable
4 LED12_OFF_H[4] R/W
1*
LED12 full OFF
3:0 LED12_OFF_H[3:0] R/W
0000*
LEDn_OFF count for LED12, 4 MSBs
3Ah LED13_ON_L 7:0 LED13_ON_L[7:0] R/W
0000 0000*
LEDn_ON count for LED13, 8 LSBs
3Bh LED13_ON_H 7:5 reserved R
000*
non-writable
4 LED13_ON_H[4] R/W
0*
LED13 full ON
3:0 LED13_ON_H[3:0] R/W
0000*
LEDn_ON count for LED13, 4 MSBs
Table 7. LED_ON, LED_OFF control registers (address 06h to 45h) bit description …continued
Legend: * default value.
Address Register Bit Symbol Access Value Description
PCA9685 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2015. All rights reserved.
Product data sheet Rev. 4 — 16 April 2015 24 of 52
NXP Semiconductors
PCA9685
16-channel, 12-bit PWM Fm+ I
2
C-bus LED controller
The LEDn_ON_H output control bit 4, when set to logic 1, causes the output to be always
ON. The turning ON of the LED is delayed by the amount in the LEDn_ON registers.
LEDn_OFF[11:0] are ignored. When this bit = 0, then the LEDn_ON and LEDn_OFF
registers are used according to their normal definition.
The LEDn_OFF_H output control bit 4, when set to logic 1, causes the output to be
always OFF. In this case the values in the LEDn_ON registers are ignored.
Remark: When all LED outputs are configured as ‘always OFF’, the prescale counter and
all associated PWM cycle timing logic are disabled. If LEDn_ON_H[4] and
LEDn_OFF_H[4] are set at the same time, the LEDn_OFF_H[4] function takes
precedence.
3Ch LED13_OFF_L 7:0 LED13_OFF_L[7:0] R/W
0000 0000*
LEDn_OFF count for LED13, 8 LSBs
3Dh LED13_OFF_H 7:5 reserved R
000*
non-writable
4 LED13_OFF_H[4] R/W
1*
LED13 full OFF
3:0 LED13_OFF_H[3:0] R/W
0000*
LEDn_OFF count for LED13, 4 MSBs
3Eh LED14_ON_L 7:0 LED14_ON_L[7:0] R/W
0000 0000*
LEDn_ON count for LED14, 8 LSBs
3Fh LED14_ON_H 7:5 reserved R
000*
non-writable
4 LED14_ON_H[4] R/W
0*
LED14 full ON
3:0 LED14_ON_H[3:0] R/W
0000*
LEDn_ON count for LED14, 4 MSBs
40h LED14_OFF_L 7:0 LED14_OFF_L[7:0] R/W
0000 0000*
LEDn_OFF count for LED14, 8 LSBs
41h LED14_OFF_H 7:5 reserved R
000*
non-writable
4 LED14_OFF_H[4] R/W
1*
LED14 full OFF
3:0 LED14_OFF_H[3:0] R/W
0000*
LEDn_OFF count for LED14, 4 MSBs
42h LED15_ON_L 7:0 LED15_ON_L[7:0] R/W
0000 0000*
LEDn_ON count for LED15, 8 LSBs
43h LED15_ON_H 7:5 reserved R
000*
non-writable
4 LED15_ON_H[4] R/W
0*
LED15 full ON
3:0 LED15_ON_H[3:0] R/W
0000*
LEDn_ON count for LED15, 4 MSBs
44h LED15_OFF_L 7:0 LED15_OFF_L[7:0] R/W
0000 0000*
LEDn_OFF count for LED15, 8 LSBs
45h LED15_OFF_H 7:5 reserved R
000*
non-writable
4 LED15_OFF_H[4] R/W
1*
LED15 full OFF
3:0 LED15_OFF_H[3:0] R/W
0000*
LEDn_OFF count for LED15, 4 MSBs
Table 7. LED_ON, LED_OFF control registers (address 06h to 45h) bit description …continued
Legend: * default value.
Address Register Bit Symbol Access Value Description
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P33P34-P36P37-P39P40-P42P43-P45P46-P48P49-P51P52-P52

PCA9685BS,118

Mfr. #:
Buy PCA9685BS,118
Manufacturer:
NXP Semiconductors
Description:
LED Display Drivers 16-CH 12-BIT PWM FM+ I2C-BUS LED CTRL
Lifecycle:
New from this manufacturer.
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