From b0963b34962da980cc9891f33247f77e8772510a Mon Sep 17 00:00:00 2001 From: Uwe Hermann Date: Sat, 28 Jul 2012 18:12:13 +0200 Subject: Add AVR ISP dumps of an Atmel ATmega88. --- avr_isp/atmega88/README | 41 ++++++++++++++++++++++++++++ avr_isp/atmega88/isp_atmega88_erase_chip.sr | Bin 0 -> 13188 bytes avr_isp/atmega88/isp_atmega88_read_empty.sr | Bin 0 -> 169182 bytes avr_isp/atmega88/isp_atmega88_read_lfuse.sr | Bin 0 -> 13108 bytes avr_isp/atmega88/isp_atmega88_scan.sr | Bin 0 -> 13021 bytes 5 files changed, 41 insertions(+) create mode 100644 avr_isp/atmega88/README create mode 100644 avr_isp/atmega88/isp_atmega88_erase_chip.sr create mode 100644 avr_isp/atmega88/isp_atmega88_read_empty.sr create mode 100644 avr_isp/atmega88/isp_atmega88_read_lfuse.sr create mode 100644 avr_isp/atmega88/isp_atmega88_scan.sr (limited to 'avr_isp') diff --git a/avr_isp/atmega88/README b/avr_isp/atmega88/README new file mode 100644 index 0000000..9e9276d --- /dev/null +++ b/avr_isp/atmega88/README @@ -0,0 +1,41 @@ +------------------------------------------------------------------------------- +AVR ISP / Atmel ATmega88 +------------------------------------------------------------------------------- + +This is a set of example captures of the AVR in-system programming (ISP) +protocol. + +The device used for ISP was a USBprog with AVRISP mkII compatible firmware. + +The target was a board with an Atmel ATmega88 chip. + +The PC software used for controlling the programmer was avrdude 5.11.1. + +Details: +http://www.atmel.com/images/doc0943.pdf ("AVR910: In-System Programming") +http://www.usbprog.org +http://www.atmel.com/devices/atmega88.aspx +http://www.nongnu.org/avrdude/ + + +Logic analyzer setup +-------------------- + +The logic analyzer used was a Saleae Logic (at 4MHz): + + Probe AVR ISP header + ------------------------- + 1 (black) MOSI + 2 (brown) RST + 3 (red) SCK + 4 (orange) MISO + + +Data +---- + +The sigrok command line used was: + + sigrok-cli -d fx2lafw:samplerate=4mhz -p 1=MOSI,2=RST,3=SCK,4=MISO \ + -o --time