2 pieces ST90R30 BC6R ROMLESS HCMOS MCU w. A/D CONVERTER 90T30 ST9030 NEW ST90R30 is compatible with ST903x ROM version device. ST90R30BC6R ROMLESS HCMOS MCU WITH A/D CONVERTER. 2 pieces ST90R30BC6R ROMLESS HCMOS MCU WITH A/D CONVERTER. • Division by Zero trap generation. MCU 8/16bit ST6 - ST7 - ST9. byJuly 3, 2026