Freescale 68HCS12 Documentation<br><br>

All of these documents, and in perhaps more recent revisions, are also available from the <a href="http://www.freescale.com/">Freescale Semiconductor website</a> and are provided here for your convenience.<br><br>

<ul>

<li><a href="MC9S12DP256%20Overview.pdf">MC9S12DP256 Overview</a></li>
<li><a href="9S12DP256BDGV2.pdf">MC9S12DP256 Device Users Guide	(Electrical characteristics, Registers' Map ...)</a></li>
<li><a href="MC9S12DP256%20(Advance%20Information).pdf">MC9S12DP256 Advance Information</a></li>
<li><a href="S12CPU15UG.pdf">HCS12 Core Users Guide (CPU Core, BDM interface)</a></li>
<li><a href="S12CPUV2.pdf">HCS12 Reference Manual (CPU Instructions - this is the programmers' manual)</a></li>

<br><br>

<li><a href="S12ATD10B8CV2.pdf">ATD_10B8C Block Users Guide (Analog to Digital Converter)</a></li>
<li><a href="AN2428.pdf">An Overview of the HCS12 ATD Module</a></li>
<li><a href="AN2438.pdf">ADC Definitions and Specifications</a></li>
<li><a href="S12PWM_8B8CV1.pdf">PWM_8B8C Block Users Guide (Pulse Width Modulator)</a></li>
<li><a href="S12DP256PIMV2.pdf">MC9S12DP256 Port Integration Module Block Users Guide (External interface for ports A,B,E,H,J,K,M,P,S,T)</a></li>
<li><a href="S12SCIV2.pdf">HCS12 Serial Communications Interface Block Guide</a></li>
<li><a href="S12SPIV2.pdf">SPI Block Users Guide (Serial Peripheral Interface)</a></li>
<li><a href="S12IICV2.pdf">HSC12 Inter-Integrated Circuit Block Guide (I2C)</a></li>
<li><a href="S12CRGV2.pdf">CRG Block Users Guide (Clock and Reset Generator)</a></li>
<li><a href="S12ECT_16B8CV1.pdf">ECT_16B8C Block Users Guide (Enhanced Timer Capture)</a></li>
<li><a href="S12BDLCV1.pdf">BDLC Block Guide </a></li>
<li><a href="S12MSCANV2.pdf">MSCAN Block Guide (CAN interface)</a></li>
<li><a href="S12VREGV1.pdf">VREG Block Users Guide (Voltage Regulator)</a></li>

<br><br>
<li><a href="AN2400%20(HCS12%20NVM%20Guidelines).pdf">HCS12 Non-Volatile Memory (NVM) Guidelines</a></li>
<li><a href="S12EETS4KV2.pdf">EETS4K Block Users Guide (4K EEPROM)</a></li>
<li><a href="S12FTS256KV2.pdf">FTS256K Block Users Guide (256K Flash EEPROM)</a></li>


<br><br>
<li><a href="Migration%20from%20Assembly%20to%20C%20Language%20.pdf">Migration from Assembly to C Language</a></li>

<br><br>
<li><a href="DB12RG4%20(D%e2%80%93Bug12%20Reference%20Guide).pdf">D–Bug12 Reference Guide</a></li>
<li><a href="AN1280%20(Using%20and%20Extending%20D-Bug12%20Routines).pdf">Using The Callable Routines In D-Bug12</a></li>
<li><a href="AN1280A%20(Using%20The%20Callable%20Routines%20In%20D-Bug12).pdf">Using and Extending D-Bug12 Routines</a></li>

<br><br>
<li><a href="AN2104%20(Using%20Background%20Debug%20Mode%20for%20the%20M68HC12%20Family).pdf">Using Background Debug Mode for the M68HC12 Family</a></li>

<br><br>
<li><a href="AN2153%20(A%20Serial%20Bootloader%20for%20Reprogramming).pdf">A Serial Bootloader for Reprogramming</a></li>




<br><br>
<li><a href="mc34164rev1f.pdf">MC34164 Undervoltage Sensor</a></li>
<li><a href="hip7020.pdf">HIP7020 J1850 Bus Transceiver (for BDLC)</a></li>
<li><a href="PCA82C250_5.pdf">PCA82C250 CAN Controller Interface</a></li>
<li><a href="can2spec.pdf">BOSCH CAN Specification Version 2.0</a></li>
<li><a href="AN1771.pdf">Precison Sine-Wave Tone Synthesis using 8-Bit MCUs</a></li>
<li><a href="AN2250.pdf">Audio Reproduction on the HCS12 Microcontrollers</a></li>
<li><a href="AN2287.pdf">HSC12 External Bus Design</a></li>
<li><a href="AN2408.pdf">HSC12 External Bus Design, companion note to AN2287</a></li>
<li><a href="AN1731_BDLC.pdf">VPW J1850 Multiplexing Controller (BDLC) Module</a></li>



<br><br>
<li><a href="MC68HC812A4.pdf">MC68HC812A4 Reference (older 68HC12 microcontroller)</a></li>
<li><a href="AN1284%20(Transporting%20M68HC11%20Code%20to%20M68HC12%20Devices).pdf">Transporting M68HC11 Code to M68HC12 Devices</a></li>
<li><a href="AN2216%20(MC9S12DP256%20Software%20Development%20Using%20Metrowerk%e2%80%99s%20Codewarrior).pdf">MC9S12DP256 Software Development Using Metrowerk’s Codewarrior</a></li>




</ul>