ST90R40 Datasheet | STMicroelectronics

ROMLESS HCMOS MCU WITH EEPROM, RAM AND AID CONVERTER - Register oriented 8/16 bit CORE with RUN, WFI and HALT modes - Minimum instruction cycle time:500ns (12M Hz internal) - ROMiess to allow maximum external memory flexibility - Internal Memory : 256 bytes EEPROM 512 bytes 224 general purpose registers available as RAM, accumulators or index pointers (register file) - 80-pin Plastic Quad Flat Pack Package for ST90R40Q - 68-lead Plastic Leaded Chip Carrier package for ST90R40C - DMA controller, Interrupt handler and Serial Peripheral Interface as standard Features - 40 fully programmable 1/0 pins - Up to 8 external plus 1 non-maskable interrupts - 16 bit Timer...