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PCA9622 Datasheet(PDF) 11 Page - NXP Semiconductors |
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PCA9622 Datasheet(HTML) 11 Page - NXP Semiconductors |
11 / 39 page PCA9622 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2012. All rights reserved. Product data sheet Rev. 4 — 6 September 2012 11 of 39 NXP Semiconductors PCA9622 16-bit Fm+ I2C-bus 100 mA 40 V LED driver 7.3.3 PWM0 to PWM15, individual brightness control A 97 kHz fixed frequency signal is used for each output. Duty cycle is controlled through 256 linear steps from 00h (0 % duty cycle = LED output off) to FFh (99.6 % duty cycle = LED output at maximum brightness). Applicable to LED outputs programmed with LDRx = 10 or 11 (LEDOUT0 to LEDOUT3 registers). (1) 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 PWM0 7:0 IDC0[7:0] R/W 0000 0000* PWM0 Individual Duty Cycle 03h PWM1 7:0 IDC1[7:0] R/W 0000 0000* PWM1 Individual Duty Cycle 04h PWM2 7:0 IDC2[7:0] R/W 0000 0000* PWM2 Individual Duty Cycle 05h PWM3 7:0 IDC3[7:0] R/W 0000 0000* PWM3 Individual Duty Cycle 06h PWM4 7:0 IDC4[7:0] R/W 0000 0000* PWM4 Individual Duty Cycle 07h PWM5 7:0 IDC5[7:0] R/W 0000 0000* PWM5 Individual Duty Cycle 08h PWM6 7:0 IDC6[7:0] R/W 0000 0000* PWM6 Individual Duty Cycle 09h PWM7 7:0 IDC7[7:0] R/W 0000 0000* PWM7 Individual Duty Cycle 0Ah PWM8 7:0 IDC8[7:0] R/W 0000 0000* PWM8 Individual Duty Cycle 0Bh PWM9 7:0 IDC9[7:0] R/W 0000 0000* PWM9 Individual Duty Cycle 0Ch PWM10 7:0 IDC10[7:0] R/W 0000 0000* PWM10 Individual Duty Cycle 0Dh PWM11 7:0 IDC11[7:0] R/W 0000 0000* PWM11 Individual Duty Cycle 0Eh PWM12 7:0 IDC12[7:0] R/W 0000 0000* PWM12 Individual Duty Cycle 0Fh PWM13 7:0 IDC13[7:0] R/W 0000 0000* PWM13 Individual Duty Cycle 10h PWM14 7:0 IDC14[7:0] R/W 0000 0000* PWM14 Individual Duty Cycle 11h PWM15 7:0 IDC15[7:0] R/W 0000 0000* PWM15 Individual Duty Cycle duty cycle IDCx 7:0 256 --------------------------- = |
Similar Part No. - PCA9622_12 |
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Similar Description - PCA9622_12 |
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