From 93fe420d89012a1bbc80f0e466b4b75167e00ee1 Mon Sep 17 00:00:00 2001 From: Dean Camera Date: Tue, 29 Dec 2009 05:08:08 +0000 Subject: Minor documentation updates. --- Projects/AVRISP-MKII/AVRISP.txt | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) (limited to 'Projects') 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 @@ * * XPROG_VIA_HARDWARE_USART * Makefile CDEFS - * 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 + * 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. * Ignored when compiled for the XPLAIN board. * -- cgit v1.2.3