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404344RF - HD404344

Description

The HD404344R series and HD404394 series 4-bit microcomputers are products of the HMCS400 series, which is designed to make application systems compact while realizing higher performance and increasing program productivity.

Each microcomputer has an A/D converter, two timers and a serial interface.

Features

  • Input/output pins  HD404344R series, HD4074344: 22 pins (10pins: Large-current I/O pins)  HD404394 series: 21 pins (3 pins: intermediate-voltage NMOS open drain I/O; 5 pins: NMOS open drain I/O with 15-mA high-current driver).
  • Two timer/counters  One timer output  One event counter input (with programmable edge detection).
  • 8-bit clock-synchronous serial interface (1 channel).
  • On-chip A/D converter  HD404344R series, HD4074344: 8 bit × 4 channel  HD40439.

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Part Number Description

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www.DataSheet4U.com HD404344R Series/HD404394 Series Rev. 7.0 Sept. 1999 Description The HD404344R series and HD404394 series 4-bit microcomputers are products of the HMCS400 series, which is designed to make application systems compact while realizing higher performance and increasing program productivity. Each microcomputer has an A/D converter, two timers and a serial interface. The HD404344R series includes the HD404344R with on-chip 4-kword ROM, HD404342R with 2-kword ROM, and HD404341R with 1-kword ROM. The HD404394 series includes the HD404394 with on-chip 4-kword ROM, HD404392 with 2-kword ROM, and HD404391 with 1-kword ROM. The HD4074344 and HD4074394 are the PROM version ZTAT ™ microcomputers.
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