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| author | Dean Camera <dean@fourwalledcubicle.com> | 2009-12-29 05:08:08 +0000 |
|---|---|---|
| committer | Dean Camera <dean@fourwalledcubicle.com> | 2009-12-29 05:08:08 +0000 |
| commit | 93fe420d89012a1bbc80f0e466b4b75167e00ee1 (patch) | |
| tree | 4f1ed82c0a8f7c6122716ac519355282a2994e75 /Projects/AVRISP-MKII | |
| parent | 4600fd0cb649d5c625cfcca1f1f14167dc2e6a17 (diff) | |
| download | lufa-93fe420d89012a1bbc80f0e466b4b75167e00ee1.tar.gz lufa-93fe420d89012a1bbc80f0e466b4b75167e00ee1.tar.bz2 lufa-93fe420d89012a1bbc80f0e466b4b75167e00ee1.zip | |
Minor documentation updates.
Diffstat (limited to 'Projects/AVRISP-MKII')
| -rw-r--r-- | Projects/AVRISP-MKII/AVRISP.txt | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/Projects/AVRISP-MKII/AVRISP.txt b/Projects/AVRISP-MKII/AVRISP.txt index f39e68f2c..8ea8c8dac 100644 --- a/Projects/AVRISP-MKII/AVRISP.txt +++ b/Projects/AVRISP-MKII/AVRISP.txt @@ -54,18 +54,18 @@ * drivers. When prompted, direct your OS to install Atmel's AVRISP-MKII drivers provided with AVRStudio.
*
* Note that this design currently has several limitations:
- * - Minimum ISP target clock speed of 500KHz due to hardware SPI used
+ * - Minimum ISP target clock speed of 500KHz due to hardware SPI module prescaler limitations
* - No reversed/shorted target connector detection and notification
*
* On AVR models with an ADC converter, AVCC should be tied to 5V (e.g. VBUS) and the VTARGET_ADC_CHANNEL token should be
* set to an appropriate ADC channel number in the project makefile for VTARGET detection to operate correctly. On models
- * without an ADC converter, VTARGET will report at a fixed 5V level.
+ * without an ADC converter, VTARGET will report a fixed 5V level at all times.
*
* When compiled for the XPLAIN board target, this will automatically configure itself for the correct connections to the
- * XPLAIN's XMEGA AVR, and will enable PDI only programming support (since ISP and TPI modes are not needed).
+ * XPLAIN's XMEGA AVR, and will enable PDI/TPI only programming support (since ISP mode is not needed).
*
* While this application can be compiled for USB AVRs with as little as 8KB of FLASH, for full functionality 16KB or more
- * of FLASH is required. On 8KB devices, ISP, PDI or TPI programming support can be disabled to reduce program size.
+ * of FLASH is required. On 8KB devices, ISP or PDI/TPI programming support can be disabled to reduce program size.
*
* \section Sec_ISP ISP Connections
* Connections to the device for SPI programming (when enabled):
@@ -250,8 +250,8 @@ * <tr>
* <td>XPROG_VIA_HARDWARE_USART</td>
* <td>Makefile CDEFS</td>
- * <td>Define to force the PDI and TPI protocols (when enabled) to use the much faster hardware USART instead of bit-banging to
- * match the official AVRISP pinout. This breaks pinout compatibility with the official AVRISP MKII (and requires
+ * <td>Define to force the PDI and TPI protocols (when enabled) to use the much faster hardware USART instead of bit-banging
+ * to match the official AVRISP pinout. This breaks pinout compatibility with the official AVRISP MKII (and requires
* seperate ISP and PDI/TPI programming headers) but increases programming speed dramatically.
* <i>Ignored when compiled for the XPLAIN board.</i></td>
* </tr>
|