1986VE91T: What's inside Russian ARM?

1986VE91T (1986ВЕ91Т in Russian) - is an ARM Cortex-M3 based microcontroller, designed by Russian company Milandr. It has 128 KiB of flash memory, 32 KiB of SRAM, hardware USB and 80Mhz core clock. Manufactured using 180nm technology with aluminum metalization.

As this chip was in ceramic package, no plastic etching was necessary - so all bonding wires are intact. Die size - 6.54x5.9 mm.