From 3bf760ad7d8bcc06c9145121786f3644995fae87 Mon Sep 17 00:00:00 2001 From: Dean Camera Date: Tue, 2 Nov 2010 07:57:23 +0000 Subject: Rescue clock of the AVRISP-MKII moved to the AVR's OCR1A pin, so that the clock can be generated at all times when 125KHz ISP programming mode is selected. --- Projects/AVRISP-MKII/AVRISP-MKII.txt | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'Projects/AVRISP-MKII/AVRISP-MKII.txt') diff --git a/Projects/AVRISP-MKII/AVRISP-MKII.txt b/Projects/AVRISP-MKII/AVRISP-MKII.txt index e36ffe231..534af5639 100644 --- a/Projects/AVRISP-MKII/AVRISP-MKII.txt +++ b/Projects/AVRISP-MKII/AVRISP-MKII.txt @@ -105,9 +105,9 @@ * * * - * In addition, the AVR's XCK pin will generate a .5MHz clock when SPI programming is used, to act as an external - * device clock if the fuses have been mis-set. To use the recovery clock, connect XCK to the target AVR's XTAL1 - * pin, and set the ISP programming speed to 125KHz or below. + * In addition, the AVR's OCR1A pin will generate a .5MHz clock, to act as an external rescue device clock + * if the fuses have been mis-set. To use the recovery clock, connect the OCR1A pin of the USB AVR to the target + * AVR's XTAL1 pin, and set the ISP programming speed to 125KHz (note: other ISP speeds will not work correctly). * * 1 Optional, see \ref SSec_Options section - for USB AVRs with ADC modules only \n * 2 See AUX line related tokens in the \ref SSec_Options section -- cgit v1.2.3