KF8253 - 8253-like programmable interval timer written in SystemVerilog

About

KF8253 is programmable interval timer like 8253.

Differences from original

Clock synchronization
I/O ports is separated into input and output port

Features

3 counters
Count Binary or BCD
Mode 0: Interrupt on Terminal Count
Mode 1: Programmable One-Shot
Mode 2: Rate Generator
Mode 3: Square Wave Rate Generator
Mode 4: Software Triggered Strobe
Mode 5: Hardware Triggered Strobe

Block