Datasheet Summary
- ST90135
8/16-BIT MCU FAMILY WITH UP TO 64K ROM/OTP/EPROM AND UP TO 2K RAM
Register File based 8/16 bit Core Architecture with RUN, WFI, SLOW and HALT modes s Internal Memory:
- EPROM/OTP/ROM 24/32/48/64K bytes
- ROMless version available
- RAM 768/1K/1.5K/2K bytes s Maximum External Memory: 64K bytes s 224 general purpose registers available as RAM, accumulators or index pointers (register file) s 67 fully programmable I/O bits s Fully Programmable PLL Clock Generator, with Frequency Multiplication and low frequency, low cost external crystal s Minimum 8-bit Instruction Cycle time: 83ns
- (@ 24 MHz internal clock frequency) s Minimum 16-bit Instruction Cycle time: 250ns (@ 24 MHz...