Emulate the CDP1802 with an ARM

ARM Evaluation

Features ARM Microcontroller

• 5 V-tolerant IOs or better 5 V supply
• 48 MHz clock
• > 36 IOs
• 96 KiB Flash
  • 64 KiB Flash for emulating external ROM memory
  • 32 KiB emulating program
• 16 KiB RAM
  • 8 KiB RAM for emulating external RAM memory
  • 8 KiB RAM emulating program
• LQFP48 package (7 x 7 mm) or QFN64 (8 x 8 mm), it has to fit between DIL40

Candidates

• STM most IOs are 5 V tolerant
  • STM32F103C8 http://www.st.com/en/microcontrollers/stm32f103c8.html
  • STM32F373CCT6
  • STM32L433xx, Cortex M4 80 MHz, LQFP64 (10 x 10 mm), LQFP48 38 IOs (7 x 7 mm), UFQFPN48 (7 x 7 mm), 256 KiB Flash, 64 KiB SRAM, USB
  • NUCLEO-L476RG or NUCLEO-L433RC-P
• Cypress
  • PSoC 5 LP, e.g. CY8C54LP http://www.cypress.com/file/45926/download QFN68 (8 x 8 mm)
• NXP
  • LPC line
  • Kinetis® E Series: 5V, Robust Microcontrollers (MCUs) based on Arm, unfortunately no packages smaller than 10 x 10 mm
    • KE1x Cortex M4 168 MHz, 512 KiB Flash, 64 KiB SRAM, 64-pin LQFP (10 x 10 mm)
    • KE04 Cortex M0+ 48 MHz, 128 KiB Flash, 16 KiB SRAM, 64-pin QFP (14 x 1 4mm); LQFP (10 x 10 mm)

-- Peter Schmid - 2017-11-14

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