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Features
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III Complete microcomputer, 2K (86COO), 4K (86Cl0), or 8K (86C20) bytes of ROM, 124 bytes of RAM, and 22110 lines.
I!!I 144-byte register file, including 124 general-purpose registers, four I/O port registers, and 14 status and control registers.
Jill Average instruction execution time of 1.5 us, maximum of 2.8 us.
L!J Vectored, priority interrupts for I/O and counter/timers.
III Two programmable 8-bit counter/timers, each with a 6-bit programmable prescaler.
June 1987
I:J Register Pointer so that short, fast instructions can access any of nine wO,rking-register groups in 1.0 us.
o On-chip os...
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Z86C20 Data Sheet
