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DIY KIT 16 Channel 12-bit PWM/Servo Driver-I2C interface-PCA9685 for UNO or Raspberry pi shield module servo shield6 LED drivers, each output can be programmed to:Turn offOpenProgrammable LED brightnessProgrammable fuzzy group (dim) / Flashing LED brightness independent mixed with1MHz Fast-mode Plus is compatible with high drive capability has 30mA on SDA I2C bus interface to drive highly capacitive busEach LED output can be achieved from the fully closed (the default) to 4096 (12) between the maximum brightness linear programmable brightnessSoftware programmable open-drain LED output selection (the default is a push-pull) of 16 push-pull outputs (at 5V 25mA sink can absorb and provide 10mA current draw), no input functionProgrammable output state is in response to an order to change or stop to achieve simultaneously update all outputs or by-byte (byte-by-byte) update output (default is "Stop command to change")Effective low output enable input pin when the pin is high, the LED output can be programmed to 0,1 or tri-state (high impedance power-on default)6 hardware address pins so that the same can be connected to 62 PCA9685 I2C devices on the busLED output frequency (all LED) is typically 40Hz to 1000Hz (When the oscillator is 25MHz, the prescaler register default value 1EH 200Hz refresh rate will generate a)4 software programmable I2C bus address (an LED group call (Call) address and three sub-LED call (Call) address) such that the device can be set in any combination to be addressed at the same time (e.g., a register used for " All calls (All Call) "then all PCA9634 devices on the I2C bus can be addressed at the same time, while the second register for three different addresses, then a device group 1/3 bus devices can be addressed at the same time), you can enable and disable the software I2C bus addressSoftware reset feature (SWRST Call) allows the device via I2C bus reset25MHz internal oscillator requires no external componentsThe maximum allowable 50MHz external clock inputInternal power-on resetIn the SDA / SCL inputs with noise filterOutput pin has edge generation rate controlNo glitches on power-up (glitch) outputHot-AccessLow standby currentOperating voltage range: 2.3V to 5.5V5.5V tolerant inputsCan operate at minus 40 degrees Celsius to 85 degrees Celsius environmentESD protection exceeds 2000V HBM / JESD22-A114,200V MM / JESD22-A115 and 1000V CDM / JESD22-C101JEDEC standard JESD78 lockout exceed 100mA testPackage: TSSOP28 and HVQFN28