FPGA-IPUG-02065-1.5 OSC Module - Lattice Radiant Software User Guide

2021-12-10
●Introduction:
The Oscillator (OSC) module for Lattice FPGA devices built on the Lattice Nexus™ platform is designed to produce two clock signals that drive the FPGA clock tree for user-specific applications. The trimmed low frequency oscillator and trimmed high frequency oscillator are also used by the IP sub-system of the FPGA. The low frequency oscillator always run, even at sleep mode.
●Features:
■The key features of this module are:
▲Independent output enable
▲Built-in divider with static control
▲Dynamic on/off glitchless enable/disable
▲Low DC leakage in both Stand-by Mode and in Sleep Mode
▲Low frequency oscillator output is 32 kHz +/-10%
▲High frequency oscillator output is 450 MHz +/-10% and is controlled by a user-configurable frequency divider.
▲Maximum oscillator frequency for user application is 225 MHz
▲Active current consumption of 6 uA for LF OSC and 0.3 mA for HF OSC

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June 2021

FPGA-IPUG-02065-1.5

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