wltr / common-vhdl

Common VHDL Components

Common VHDL Components

Generic

• Delay
• Edge detector
• Glitch filter
• Majority voting glitch filter
• External input synchronization
• Reset generator
• Strobe generator
• Strobe generator using LFSR counters
• Bit clock recovery
• Stop watch
• Memory data triplication and voting
• Array transmitter (for e.g. UART)

Communication

• UART
• Serial 3-wire transceiver (bit clock, frame, data)

DSP

• FIR filter for the ADS1281 delta-sigma ADC

Interfaces

• External SRAM interface (tested with Renesas and Cypress memories)
• Interface for the MAX5541 DAC

Memory

• Basic FIFO + TMR version
• Single-port RAM + TMR version
• Two-port RAM + TMR version

Packages

• Linear feedback shift registers (LFSRs)

Platform specific

Microsemi:

• Reset generator leveraging the power-up delay between input and output buffers