The HI-TECH C PRO C compiler for the Silicon Labs 8051 MCU family reduces interrupt latency, code size, and SRAM usage by dynamically optimizing context size and register coverage across all modules.
RS-232 transceiver/level shifter. The 4.5 to 5.5-V chip comes in either a 44-pin PLCC or QFP. ($3.40 ea/1,000–stock.) ...
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