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MITSUBISHI MICROCOMPUTERS
4282 Group
SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER
DESCRIPTION
The 4282 Group enables fabrication of 8 × 7 key matrix and has the followin timers; • an 8-bit timer which can be used to set each carrier wave and
has two reload register • an 8-bit timer which can be used to auto-control and has a
reload register.
FEATURES
• Number of basic instructions ............................................. 68 • Minimum instruction execution time ............................ 8.0 µs
(at f(XIN) = 4.0 MHz, system clock = f(XIN)/8) • Supply voltage ................................................. 1.8 V to 3.6 V • Subroutine nesting ..................................................... 4 levels
• Timer Timer 1 ................................................................... 8-bit timer (This has a reload register and carrier wave output auto-control function) Timer 2 ..