TMP47C232AN

      The TMP47C232AN is designed as the high speed and high performance 4-bit single chip microcomputers based on the TLCS-47 CMOS series with D/A converter (pulse width modulation) output and auto frequency control signal input, and are suitable application in digital tuning systems for TV sets.
      TMP47C232AN has meny features. The first one is 4-bit single chip microcomputer. The second one is instruction execution time would be 1.9uS (at 4.2MHz). The next one is 90 basic instructions. The next one is 5-bit to 8-bit data conversion instruction. The next one is subroutine nesting would be 15 levels max. The next one is 5 interrupt sources. The next one is I/O port (36 pins). The next one is interval timer. The next one is two 12-bit timer/counters. The next one is D/A converter (pulse width modulation) outputs. The next one is three levels input. The next one is high current outputs. The next one is hold function. The next one is real time emulator: BM47217A. That are all the main features.
     TMP47C232AN Some pin function have been concluded into several points as follow. The first one is about its K13 - K00 which would be 4-bit input port. The next one is about its P13 - P10 and P23 - P20 which would be 4 bit output port with latch and 8 bit data are output by the 5-bit to 8-bit data conversion instruction. The next one is about its R53 - R50 and R63 - R60 and R73 - R70 which would be 4-bit I/O port with latch and when used as input port, the latch must be set to "1" and every bit data is possible to be set, cleared and tested by the manipulation of the L-register indirect addressing. The next one is about its R91 - R90 which would be 3-bit I/O port with latch and when used as input port, the latch must be set to "1". And so on. For more information please contact us.