PCA9685BS NXP [NXP Semiconductors], PCA9685BS Datasheet - Page 4

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PCA9685BS

Manufacturer Part Number
PCA9685BS
Description
16-channel, 12-bit PWM Fm+ I2C-bus LED controller
Manufacturer
NXP [NXP Semiconductors]
Datasheet

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
PCA9685BS,118
Manufacturer:
MITSUBISHI
Quantity:
101
NXP Semiconductors
5. Block diagram
PCA9685_2
Product data sheet
Fig 1.
EXTCLK
SCL
SDA
V
V
OE
DD
SS
Remark: Only one LED output shown for clarity.
Block diagram of PCA9685
PCA9685
OSCILLATOR
25 MHz
INPUT FILTER
POWER-ON
PRESCALE
RESET
SWITCH
CLOCK
BRIGHTNESS
REGISTER X
A0
CONTROL
PWM
Rev. 02 — 16 July 2009
A1
CONTROL
A2
I
2
C-BUS
A3
16-channel, 12-bit PWM Fm+ I
A4
A5
'0' – permanently OFF
'1' – permanently ON
REGISTER
SELECT
STATE
LED
CONTROL
MUX/
2
C-bus LED controller
PCA9685
© NXP B.V. 2009. All rights reserved.
V
DD
002aac824
LEDn
4 of 50

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