pca9633 NXP Semiconductors, pca9633 Datasheet - Page 4

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pca9633

Manufacturer Part Number
pca9633
Description
Pca9633 4-bit Fm+ I2c-bus Led Driver
Manufacturer
NXP Semiconductors
Datasheet

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NXP Semiconductors
5. Block diagram
PCA9633_3
Product data sheet
Fig 1. Block diagram of PCA9633
version
(16-pin
only)
SDA
SCL
V
V
OE
DD
SS
PCA9633
OSCILLATOR
25 MHz
97 kHz
INPUT FILTER
POWER-ON
RESET
24.3 kHz
BRIGHTNESS
REGISTER X
CONTROL
PWM
10-pin version
REGISTER
GRPFREQ
A0
190 Hz
Rev. 03 — 20 December 2006
A1
A2
16-pin version
CONTROL
I
2
C-BUS
A3
A4
A5
REGISTER
GRPPWM
A6
'0' – permanently OFF
'1' – permanently ON
REGISTER
SELECT
STATE
LED
4-bit Fm+ I
CONTROL
MUX/
PCA9633
2
© NXP B.V. 2006. All rights reserved.
C-bus LED driver
V
DD
002aab283
LEDn
4 of 42

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