8254 Timer

Product Description

8254 Programmable Timer is used for timing control applications in microcomputer systems. The design is capable of generating accurate time delays under software control.


Key Features and Benefits

  • Compatible to 8254 and uPD71054
  • Timers can be configured to operate in one of the six operating modes supported
  • Interrupt at the End of the Count
  • GATE Re-triggerable One-Shot
  • Rate Generator
  • Square Wave Generator
  • Software-Triggered Strobe
  • Re-triggerable Hardware-Triggered Strobe

Featured Documents

Device Implementation Matrix

Device utilization metrics for example implementations of this core. Contact provider for more information.

Family Device Speed Grade Tool Version HW Validated? Slice LUT BRAM DSP48 CMT GTx FMAX (Mhz)
Zynq-7000 Family XC7Z030 -1 Vivado 2019.2 Y 345 369 0 0 0 0 280

IP Quality Metrics

General Information

This Data was Current On Oct 23, 2023
Current IP Revision Number R1.0
Date Current Revision was Released Dec 24, 2011
Release Date of First Version Dec 24, 2011

Production Use by Xilinx Customers

Number of Successful Xilinx Customer Production Projects 3
Can References be Made Available? Y

Deliverables

IP Formats Available for Purchase Source Code
Source Code Format(s) Verilog
High-Level Model Included? N
Integration Testbench Provided Y
Integration Test Bench Format(s) Verilog
Code Coverage Report Provided? N
Functional Coverage Report Provided? N
UCFs Provided? UCF
Commercial Evaluation Board Available? N
Software Drivers Provided? N
Driver OS Support N/A

Implementation

Code Optimized for Xilinx? Y
Standard FPGA Optimization Techniques Inference
Custom FPGA Optimization Techniques None
Synthesis Software Tools Supported/Version Xilinx XST
Static Timing Analysis Performed? N
AXI Interfaces AXI4
IP-XACT Metadata Included? N

Verification

Is a Document Verification Plan Available? Executable and documented plan
Test Methodology Directed Testing
Assertions N
Coverage Metrics Collected None
Timing Verification Performed? Y
Timing Verification Report Available Y
Simulators Supported Xilinx lSim

Hardware Validation

Validated on FPGA Y
Hardware Validation Platform Used custom
Industry Standard Compliance Testing Passed N
Specific Compliance Test N/A
Are Test Results Available? Y