32-BIT QUADRATURE COUNTER WITH SERIAL INTERFACE The LS7366R is a 32-bit quadrature counter manufactured by LSI/CSI. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:
### **Specifications:**
- **Type:** 32-bit quadrature counter
- **Supply Voltage:** 4.5V to 5.5V
- **Operating Temperature Range:** -40°C to +85°C
- **Interface:** Parallel (8-bit) and SPI (Serial Peripheral Interface)
- **Maximum Clock Frequency:** 10 MHz (SPI)
- **Input Frequency:** Up to 12 MHz (quadrature clock)
- **Count Modes:**
- Non-quadrature (up/down)
- X1, X2, and X4 quadrature modes
- **Power Consumption:** Low power CMOS design
### **Descriptions:**
- The LS7366R is designed for high-resolution position and motion sensing applications.
- It decodes quadrature encoder signals and provides a 32-bit count value.
- The device includes a built-in digital noise filter for reliable counting.
- It supports both parallel and SPI interfaces for microcontroller communication.
### **Features:**
- **32-Bit Up/Down Counter:** Handles high-resolution position tracking.
- **Quadrature Decoding:** Supports X1, X2, and X4 resolution modes.
- **Programmable Preset and Latch:** Allows preset loading and count value latching.
- **Noise Filtering:** Built-in digital filter for encoder signal conditioning.
- **Index Input:** Supports encoder index pulse for position referencing.
- **Direction Output:** Indicates count direction (up/down).
- **Power-On Reset:** Initializes counter to zero on power-up.
- **SPI & Parallel Interface:** Flexible communication options.
This information is strictly based on the manufacturer's datasheet and technical documentation.
