pca9626 NXP Semiconductors, pca9626 Datasheet - Page 13

• Manufacturer Part Number: pca9626
• Description: 24-bit Fm+ I2c-bus 100 Ma 40 V Led Driver
• Manufacturer: NXP Semiconductors

NXP Semiconductors
PCA9626_1
Product data sheet
7.3.3 PWM0 to PWM23, individual brightness control
Table 7.
Legend: * default value.
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 LEDOUT5 registers).
duty cycle
Address
02h
03h
04h
05h
06h
07h
08h
09h
0Ah
0Bh
0Ch
0Dh
0Eh
0Fh
10h
11h
12h
13h
14h
15h
16h
17h
18h
19h
Register Bit
PWM0
PWM1
PWM2
PWM3
PWM4
PWM5
PWM6
PWM7
PWM8
PWM9
PWM10
PWM11
PWM12
PWM13
PWM14
PWM15
PWM16
PWM17
PWM18
PWM19
PWM20
PWM21
PWM22
PWM23
PWM0 to PWM23 - PWM registers 0 to 23 (address 02h to 19h) bit description
=
-------------------------- -
IDCx 7:0
256
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
7:0
7:0
7:0
7:0
7:0
7:0
7:0
7:0
Rev. 01 — 2 June 2009
Symbol
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]
IDC16[7:0]
IDC17[7:0]
IDC18[7:0]
IDC19[7:0]
IDC20[7:0]
IDC21[7:0]
IDC22[7:0]
IDC23[7:0]
Access Value
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
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
24-bit Fm+ I
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
0000 0000* PWM16 Individual Duty Cycle
0000 0000* PWM17 Individual Duty Cycle
0000 0000* PWM18 Individual Duty Cycle
0000 0000* PWM19 Individual Duty Cycle
0000 0000* PWM20 Individual Duty Cycle
0000 0000* PWM21 Individual Duty Cycle
0000 0000* PWM22 Individual Duty Cycle
0000 0000* PWM23 Individual Duty Cycle
2
C-bus 100 mA 40 V LED driver
Description
PCA9626
© NXP B.V. 2009. All rights reserved.
13 of 42
(1)