diff options
author | Dean Camera <[email protected]> | 2009-10-01 09:41:13 +0000 |
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committer | Dean Camera <[email protected]> | 2009-10-01 09:41:13 +0000 |
commit | 3ecc4629540c72f1db293c5725faf3106935731d (patch) | |
tree | 0d9c7bf5df2be9caf2b385ff5501e2b76ec99e14 /Projects | |
parent | 2f643f6143827219a050601cea7bde10f104cf00 (diff) | |
download | qmk_firmware-3ecc4629540c72f1db293c5725faf3106935731d.tar.gz qmk_firmware-3ecc4629540c72f1db293c5725faf3106935731d.zip |
Added pinouts to the AVRISP project for a standard ISP 6 Pin header to make construction of a standard ISP programmer easier.
Diffstat (limited to 'Projects')
-rw-r--r-- | Projects/AVRISP/AVRISP.txt | 31 |
1 files changed, 20 insertions, 11 deletions
diff --git a/Projects/AVRISP/AVRISP.txt b/Projects/AVRISP/AVRISP.txt index a9d5507861..df1c3c4118 100644 --- a/Projects/AVRISP/AVRISP.txt +++ b/Projects/AVRISP/AVRISP.txt @@ -72,30 +72,37 @@ * <tr>
* <td><b>Programmer Pin:</b></td>
* <td><b>Target Device Pin:</b></td>
- * </tr>
- * <tr>
- * <td>MOSI</td>
- * <td>PDI</td>
+ * <td><b>ISP 6 Pin Layout:</b></td>
* </tr>
* <tr>
* <td>MISO</td>
* <td>PDO</td>
+ * <td>1</td>
* </tr>
* <tr>
- * <td>SCLK</td>
- * <td>SCLK</td>
+ * <td>ADCx <b><sup>1</sup></b></td>
+ * <td>VTARGET</td>
+ * <td>2</td>
* </tr>
* <tr>
- * <td>GND</td>
- * <td>GND</td>
+ * <td>SCLK</td>
+ * <td>SCLK</td>
+ * <td>3</td>
* </tr>
* <tr>
- * <td>ADCx <b><sup>1</sup></b></td>
- * <td>VTARGET</td>
+ * <td>MOSI</td>
+ * <td>PDI</td>
+ * <td>4</td>
* </tr>
* <tr>
* <td>PORTx.y <b><sup>2</sup></b></td>
* <td>/RESET</td>
+ * <td>5</td>
+ * </tr>
+ * <tr>
+ * <td>GND</td>
+ * <td>GND</td>
+ * <td>6</td>
* </tr>
* </table>
*
@@ -125,7 +132,9 @@ * <tr>
* <td>RESET_LINE_MASK</td>
* <td>Makefile CDEFS</td>
- * <td>Mask for the programmer's target RESET line on the chosen port. <b>Must not be the AVR's /SS pin.</b></td>
+ * <td>Mask for the programmer's target RESET line on the chosen port. <b>Must not be the AVR's /SS pin</b>, as the
+ * target pins are tri-stated when not in use, and low signals on the /SS pin will force SPI slave mode when the
+ * pin is configured as an input.</td>
* </tr>
* <tr>
* <td>VTARGET_ADC_CHANNEL</td>
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