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PCA9635 Datasheet(PDF) 9 Page - NXP Semiconductors |
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PCA9635 Datasheet(HTML) 9 Page - NXP Semiconductors |
9 / 35 page PCA9635_7 © NXP B.V. 2009. All rights reserved. Product data sheet Rev. 07 — 16 July 2009 9 of 35 NXP Semiconductors PCA9635 16-bit Fm+ I2C-bus LED driver 7.3 Register definitions [1] Only D[4:0] = 0 0000 to 1 1011 are allowed and will be acknowledged. D[4:0] = 1 1100 to 1 1111 are reserved and will not be acknowledged. [2] When writing to the Control register, bit 4 must be programmed with logic 0 for proper device operation. Table 4. Register summary[1][2] Register number (hex) D4 D3 D2 D1 D0 Name Type Function 00 00000 MODE1 read/write Mode register 1 01 00001 MODE2 read/write Mode register 2 02 00010 PWM0 read/write brightness control LED0 03 00011 PWM1 read/write brightness control LED1 04 00100 PWM2 read/write brightness control LED2 05 00101 PWM3 read/write brightness control LED3 06 00110 PWM4 read/write brightness control LED4 07 00111 PWM5 read/write brightness control LED5 08 01000 PWM6 read/write brightness control LED6 09 01001 PWM7 read/write brightness control LED7 0A 01010 PWM8 read/write brightness control LED8 0B 01011 PWM9 read/write brightness control LED9 0C 01100 PWM10 read/write brightness control LED10 0D 01101 PWM11 read/write brightness control LED11 0E 01110 PWM12 read/write brightness control LED12 0F 01111 PWM13 read/write brightness control LED13 10 10000 PWM14 read/write brightness control LED14 11 10001 PWM15 read/write brightness control LED15 12 10010 GRPPWM read/write group duty cycle control 13 10011 GRPFREQ read/write group frequency 14 10100 LEDOUT0 read/write LED output state 0 15 10101 LEDOUT1 read/write LED output state 1 16 10110 LEDOUT2 read/write LED output state 2 17 10111 LEDOUT3 read/write LED output state 3 18 11000 SUBADR1 read/write I2C-bus subaddress 1 19 11001 SUBADR2 read/write I2C-bus subaddress 2 1A 11010 SUBADR3 read/write I2C-bus subaddress 3 1B 11011 ALLCALLADR read/write LED All Call I2C-bus address |
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