CY8C9560A-24AXI

CY8C9560A-24AXI is a multi-port I/O expander with on board user available EEPROM and several PWM outputs. It operates as two I2C server devices. The first device is a multi port I/O expander (single I²C address to access all ports through registers). The second device is a serial EEPROM. Dedicated configuration registers can be used to disable the EEPROM. The EEPROM uses 2-byte addressing to support the 28Kbyte EEPROM address space. The selected device is defined by the most significant bits of the I²C address or by specific register addressing. The system host writes to the I/O configuration registers through the I²C bus. Configuration and output register settings are storable as user defaults in a dedicated section of the EEPROM. If user defaults were stored in EEPROM, they are restored to the ports at power up. While this device can share the bus with SMBus devices, it can only communicate with I²C hosts.

• I²C interface logic electrically compatible with SMBus
• Extendable soft addressing algorithm allowing flexible I²C address configuration
• User default storage, I/O port settings in internal EEPROM
• Interrupt output indicates input pin level changes and pulse width modulator (PWM) state changes
• Internal power on reset (POR), internal configurable watchdog timer
• 6 PWM source, 60 configurable I/O pins, 600KHz max SCL clock frequency
• Supply voltage range from 3.00VG to 5.25V, 16 PWM sources, 60 configurable I/O pins
• High level source current is 10mA minimum at (VOH = Vdd–1.0V)
• Ambient temperature range from -40°C to +85°C
• 100-pin TQFP package

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