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DESCRIPTION

The M37702M2AXXXFP is a single-chip microcomputers designed with high-performance CMOS silicon gate technology. This is housed in a 80-pin plastic molded QFP. This single-chip microcomputer has a large 16 M bytes address space, three in struction queue buffers, and two data buffers for high-speed instruction execution. The CPU is a 16-bit parallel processor that can also be switched to perform 8-bit parallel processing. This microcomputer is suitable for office, business, and industrial equipment controller that require high-speed processing of large data.

The differences between M37702M2AXXXFP, M37702M2BXXXFP, M37702S1AFP and M37702S1BFP are the ROM size and the external clock input frequency as shown below. Therefore, the following descriptions will be for the M37702M2AXXXFP unless otherwise noted.

FEATURES

? Number of basic instructions ..................................................103

? Memory size ROM ................................................ 16 K bytes

RAM ................................................. 512 bytes

? Instruction execution time

M37702M2AXXXFP, M37702S1AFP

(The fastest instruction at 16 MHz frequency) .................. 250 ns

M37702M2BXXXFP, M37702S1BFP

(The fastest instruction at 25 MHz frequency) .................. 160 ns

? Single power supply ..................................................... 5 V ± 10

? Low power dissipation (at 16 MHz frequency) ......................................... 60 mW (Typ.)

? Interrupts ............................................................ 19 types 7 levels

? Multiple function 16-bit timer ................................................ 5 + 3

? UART (may also be synchronous) .............................................. 2

? 8-bit A-D converter ............................................. 8-channel inputs

? 12-bit watchdog timer.

? Programmable input/output

(ports P0, P1, P2, P3, P4, P5, P6, P7, P8) .............................. 68

APPLICATION

Control devices for office equipment such as copiers, printers, typewriters, facsimiles, word processors, and personal computers Control devices for industrial equipment such as ME, NC, commu nication and measuring instruments.