PCA9551 Datasheet - NXP

PCA9551, 8-bit I2C LED driver

PCA9551 8-bit I2C-bus LED driver with programmable blink rates Rev.08 * 31 July 2008 Product data sheet 1.General .
The PCA9551 LED blinker blinks LEDs in I2C-bus and SMBus applications where it is necessary to limit bus trafﬁc or free up the I2C-bus master's (MCU,.

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Datasheet Details

Part number:

PCA9551

Manufacturer:

NXP ↗

File Size:

138.05 KB

Description:

8-bit I2C LED driver

Applications

* where it is necessary to limit bus trafﬁc or free up the I2C-bus master's (MCU, MPU, DSP, chip set, etc. ) timer. The uniqueness of this device is the internal oscillator with two programmable blink rates. To blink LEDs using normal I/O expanders like the PCF8574 or PCA9554, the bus master must send

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PCA9551 8-bit I2C LED driver NXP

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