Overview
The ADP5585ACPZ-00-R7 is a versatile 10-input/output port expander integrated circuit (IC) produced by Analog Devices Inc. This device is designed to provide a comprehensive set of features for keypad matrix decoding, programmable logic, reset generation, and PWM (Pulse Width Modulation) generation. It is particularly useful in expanding the input/output capabilities of microcontrollers in various applications, including portable devices such as smartphones, remote controls, and cameras, as well as non-portable applications in healthcare, industrial, and instrumentation sectors.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of I/O Ports | 10 | - |
| Keypad Matrix Size | 5-row × 5-column | - |
| I2C Address | 0x34 (default) | - |
| I2C Interface Speed | Up to 1 MHz (Fast Mode Plus) | - |
| GPIO Pull-Up Resistors | 100 kΩ or 300 kΩ | - |
| GPIO Pull-Down Resistors | 300 kΩ | - |
| Internal Oscillator Frequency | 900 kHz to 1100 kHz | kHz |
| Operating Temperature Range | -40°C to +85°C | °C |
| Package Type | 16-lead LFCSP (3 mm × 3 mm) | - |
Key Features
- Keypad Matrix Decoder: Supports up to a 5-row × 5-column keypad matrix.
- Programmable Logic Block: Allows for custom logic functions.
- PWM Generator: Internal and external PWM generation with AND function.
- Reset Generators: Includes reset generators with debounce filter on the RST pin.
- I2C Interface: Supports Fast Mode Plus up to 1 MHz.
- GPIO Functions: Each pin can be configured as input or output with selectable interrupt levels and pull-up/pull-down resistors.
- Open-Drain Interrupt Output: Provides an open-drain interrupt output.
Applications
- Portable Devices: Smartphones, remote controls, and cameras.
- Non-Portable Applications: Healthcare, industrial, and instrumentation sectors.
- Input/Output Expansion: Expands the I/O capabilities of microcontrollers in various systems.
Q & A
- What is the primary function of the ADP5585ACPZ-00-R7?
The primary function is to act as a 10-input/output port expander with built-in keypad matrix decoder, programmable logic, reset generator, and PWM generator.
- What is the keypad matrix size supported by this device?
The device supports up to a 5-row × 5-column keypad matrix.
- What is the I2C address of the ADP5585ACPZ-00-R7?
The default I2C address is 0x34.
- What are the available GPIO pull-up resistor values?
The available GPIO pull-up resistor values are 100 kΩ or 300 kΩ.
- What is the operating temperature range of the ADP5585ACPZ-00-R7?
The operating temperature range is -40°C to +85°C.
- What package type is the ADP5585ACPZ-00-R7 available in?
The device is available in a 16-lead LFCSP package (3 mm × 3 mm).
- Does the ADP5585ACPZ-00-R7 support external PWM generation?
- What is the purpose of the reset generators in the ADP5585ACPZ-00-R7?
The reset generators provide reset functionality with a debounce filter on the RST pin.
- Can the GPIO pins be configured as inputs or outputs?
- What type of interrupt output does the ADP5585ACPZ-00-R7 provide?
The device provides an open-drain interrupt output.
