UM8051 microcomputer equivalent, single chip 8-bit microcomputer.
* 4K x BROM
* 128 x 8 RAM
* Four 8-bit ports, 32 I/O lines
* Two 16-bit timer/event counters
* High-performance full-duplex serial channel
* Exter.
requiring up to 64K bytes of program memory and/or up to 64K bytes of data storage.
The UM8051/8031 contains a n.
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