Raspberry Pi adds 2MB stacked flash for 20¢ in RP2354
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Raspberry Pi is preparing a version of its RP2350 microcontroller with up to 2MB of flash memory stacked in the same package as the RP2354 for an extra 20¢.
The current RP2350 has 520 kB of on-chip SRAM in 10 independent banks to feed the two 150MHz ARM Cortex-M33 or Hazard3 RISC-V cores with 8 kB of one-time-programmable storage (OTP). It supports up to 16 MB of external QSPI flash/PSRAM via a dedicated QSPI interface, and 2MB will be integrated into the 2354A and 2354B variants.
This will reduce the footprint of embedded designs.
“RP2354A and RP2354B variants with 2MB of stacked flash memory are in the final stages of development and testing with early-access partners,” said Eben Upton, CEO of Raspberry Pi. “We’ll soon be ramping to mass production, and plan to make these variants available through our Approved Reseller partners later this year.
“RP2350’s sub-$1 pricing allows for integration into high-volume, low-cost end devices. Compared to RP2040, RP2350 costs just ten cents more in a 7×7mm, 60-pin package [80¢], or twenty cents more in a 10×10mm, 80-pin package [90¢]. We’re expecting to add ~$0.20 for the flash-in-package variants,” he tells eeNews Europe.
Raspberry Pi also has a partnership with JLCPCB to make the RP2350 available via their fast-turn PCB assembly service, and Upton says hundreds of distinct RP2350-based designs submitted for manufacture. JLCPCB is currently offering a $12 No-Threshold SMT Coupon for new RP2350 designs.
The RP2350n is available now from approved resellers.
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