7740 - How to enable SSPI programming in MachX03-9400 Development Board

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• 6984 - MachXO5-NX Development Board: How to access the MachXO5-NX Development Board via SSPI using onboard FTDI?

  To access the MachXO5-NX Development Board via SSPI using the onboard FTDI, the user should follow the steps as described below. 1.) The MachXO5-NX Development Board Setup is shown below.

• 1422 - Can I configure the configuration SRAM memory with the Slave SPI Mode(SSPI)?

  You can not configure the configuration SRAM memory directly with the Slave SPI Mode(SSPI), nor can you read back SRAM memory with the SSPI. But you can use the SSPI to configure the SRAM memory through a REFRESH instruction. The effect is the same ...

• 7315 - MACHXO3: Why I cannot perform SPI programming after enable dual boot to configure from external SPI flash

  Description: MACHXO3 device share the same SPI SysConfig ports for both SSPI and MSPI configuration mode. The Configuration(CFG) MSPI is designed to be bus friendly, i.e. when it's not actively booting, all MSPI pins are tri-stated. It's possible to ...

• 3875 - Programmer: What is the maximum programming frequency achieved with HW-USBN-2A cable, while programming MachXO2 device using Slave Serial Programming Interface (SSPI)?

  The maximum achievable Slave Serial Programming Interface (SSPI) programming frequency with HW-USBN-2A cable is 1.5 MHz, when the TCK value is either set to 0 or 1. For other values of TCK (2 to 10), the SSPI programming frequencies are listed below: ...

• 2313 - LatticeXP2: Is it possible to program the LatticeXP2 SRAM directly using slave SPI mode?

  Solution: No, you cannot program SRAM in SLAVE SPI(SSPI) mode. SSPI can only be utilized to program and verify an encrypted or standard JEDEC file into embedded configuration Flash in background mode. It can be used to read the SRAM fuse cells in ...