<?xml version="1.0"?>
<feed xmlns="http://www.w3.org/2005/Atom" xml:lang="en">
	<id>https://www.citylan.it/index.php?action=history&amp;feed=atom&amp;title=HMCS40</id>
	<title>HMCS40 - Revision history</title>
	<link rel="self" type="application/atom+xml" href="https://www.citylan.it/index.php?action=history&amp;feed=atom&amp;title=HMCS40"/>
	<link rel="alternate" type="text/html" href="https://www.citylan.it/index.php?title=HMCS40&amp;action=history"/>
	<updated>2026-04-29T08:17:20Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
	<generator>MediaWiki 1.43.6</generator>
	<entry>
		<id>https://www.citylan.it/index.php?title=HMCS40&amp;diff=25144&amp;oldid=prev</id>
		<title>WikiSysop: Created page with &quot;&#039;&#039;&#039;4-bit Microcontroller&#039;&#039;&#039;  =Family table= {| border=&quot;1&quot; cellpadding=&quot;4&quot; cellspacing=&quot;0&quot; class=&quot;wikitable sortable&quot; ! Model !! ROM !! RAM !! Registers !! Stack Registers !! I...&quot;</title>
		<link rel="alternate" type="text/html" href="https://www.citylan.it/index.php?title=HMCS40&amp;diff=25144&amp;oldid=prev"/>
		<updated>2022-02-21T15:00:23Z</updated>

		<summary type="html">&lt;p&gt;Created page with &amp;quot;&amp;#039;&amp;#039;&amp;#039;4-bit Microcontroller&amp;#039;&amp;#039;&amp;#039;  =Family table= {| border=&amp;quot;1&amp;quot; cellpadding=&amp;quot;4&amp;quot; cellspacing=&amp;quot;0&amp;quot; class=&amp;quot;wikitable sortable&amp;quot; ! Model !! ROM !! RAM !! Registers !! Stack Registers !! I...&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;&amp;#039;&amp;#039;&amp;#039;4-bit Microcontroller&amp;#039;&amp;#039;&amp;#039;&lt;br /&gt;
&lt;br /&gt;
=Family table=&lt;br /&gt;
{| border=&amp;quot;1&amp;quot; cellpadding=&amp;quot;4&amp;quot; cellspacing=&amp;quot;0&amp;quot; class=&amp;quot;wikitable sortable&amp;quot;&lt;br /&gt;
! Model !! ROM !! RAM !! Registers !! Stack Registers !! I/O Lines !! Part No.&lt;br /&gt;
|-&lt;br /&gt;
| HMCS42 || 512x10-bit  || 32x4-bit  || 4 || 2 || 22 || HD38702&lt;br /&gt;
|-&lt;br /&gt;
| HMCS43 || 1024x10-bit || 80x4-bit  || 6 || 3 || 32 || HD38750, HD38755&lt;br /&gt;
|-&lt;br /&gt;
| HMCS43C || 1024x10-bit || 80x4-bit  || 6 || 3 || 32 || HD38750&lt;br /&gt;
|-&lt;br /&gt;
| HMCS43CL || 1024x10-bit || 80x4-bit  || 6 || 3 || 32 || HD38755&lt;br /&gt;
|-&lt;br /&gt;
| HMCS44 || 2048x10-bit || 160x4-bit || 8 || 4 || 32 || HD38800, HD38805&lt;br /&gt;
|-&lt;br /&gt;
| HMCS44C || 2048x10-bit || 160x4-bit || 8 || 4 || 32 || HD44801&lt;br /&gt;
|-&lt;br /&gt;
| HMCS44CL || 2048x10-bit || 160x4-bit || 8 || 4 || 32 || HD44808&lt;br /&gt;
|-&lt;br /&gt;
| HMCS45 || 2048x10-bit || 160x4-bit || 6 || 4 || 44 || HD44820, HD44828&lt;br /&gt;
|-&lt;br /&gt;
| HMCS45C || 2048x10-bit || 160x4-bit || 6 || 4 || 44 || HD44820&lt;br /&gt;
|-&lt;br /&gt;
| HMCS45CL || 2048x10-bit || 160x4-bit || 6 || 4 || 44 || HD44828&lt;br /&gt;
|-&lt;br /&gt;
| HMCS46 || 4096x10-bit || 256x4-bit || 8 || 4 || 32 || HD44840, HD44848&lt;br /&gt;
|-&lt;br /&gt;
| HMCS46C || 4096x10-bit || 256x4-bit || 8 || 4 || 32 || HD44840&lt;br /&gt;
|-&lt;br /&gt;
| HMCS46CL || 4096x10-bit || 256x4-bit || 8 || 4 || 32 || HD44848&lt;br /&gt;
|-&lt;br /&gt;
| HMCS47 || 4096x10-bit || 256x4-bit || 6 || 4 || 44 || HD44860, HD44868&lt;br /&gt;
|-&lt;br /&gt;
| HMCS47C || 4096x10-bit || 256x4-bit || 6 || 4 || 44 || HD44860&lt;br /&gt;
|-&lt;br /&gt;
| HMCS47CL || 4096x10-bit || 256x4-bit || 6 || 4 || 44 || HD44868&lt;br /&gt;
|-&lt;br /&gt;
| LCD-III || 2048x10-bit || 160x4-bit || 6 || 4 || 32 || HD44795, HD44790&lt;br /&gt;
|-&lt;br /&gt;
| LCD-IV || 4096x10-bit || 256x4-bit || 6 || 4 || 32 || HD613901&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
=Pinout=&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
	HMCS44&lt;br /&gt;
        DIP42-600mil&lt;br /&gt;
         +---\/---+&lt;br /&gt;
      D3 | 1    42| D2&lt;br /&gt;
      D4 | 2    41| D1&lt;br /&gt;
      D5 | 3    40| D0&lt;br /&gt;
      D6 | 4    39| R33&lt;br /&gt;
      D7 | 5    38| R32&lt;br /&gt;
      D8 | 6    37| R31&lt;br /&gt;
      D9 | 7    36| R30&lt;br /&gt;
     D10 | 8    35| R23&lt;br /&gt;
     D11 | 9    34| R22&lt;br /&gt;
     D12 |10    33| R21&lt;br /&gt;
     D13 |11    32| R20&lt;br /&gt;
     D14 |12    31| INT1&lt;br /&gt;
     D15 |13    30| INT0&lt;br /&gt;
      NC |14    29| R13&lt;br /&gt;
   RESET |15    28| R12&lt;br /&gt;
     GND |16    27| R11&lt;br /&gt;
    OSC1 |17    26| R10&lt;br /&gt;
    OSC2 |18    25| R03&lt;br /&gt;
    *HLT |19    24| R02&lt;br /&gt;
   *TEST |20    23| R01&lt;br /&gt;
     Vcc |21    22| R00&lt;br /&gt;
         +--------+&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
=Frequency=&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;DIP42&amp;#039;&amp;#039;&amp;#039;&amp;lt;br&amp;gt;&lt;br /&gt;
Set reader to FREQ, put black probe to GND, red probe to 17 and 18 to measure CPU clock&lt;br /&gt;
&lt;br /&gt;
=External links=&lt;br /&gt;
[https://en.wikichip.org/wiki/hitachi/hmcs40 HMCS40 family page on wikichip]&lt;br /&gt;
&lt;br /&gt;
=Files=&lt;br /&gt;
&amp;lt;gallery widths=&amp;quot;150px&amp;quot;&amp;gt;&lt;br /&gt;
File:hmcs44.pdf|HMCS44 Datasheet&lt;br /&gt;
&amp;lt;/gallery&amp;gt;&lt;br /&gt;
&lt;br /&gt;
[[Category:CPU]]&lt;br /&gt;
[[Category:DIP28-600mil]]&lt;br /&gt;
[[Category:DIP42-600mil]]&lt;/div&gt;</summary>
		<author><name>WikiSysop</name></author>
	</entry>
</feed>