From 04aceb21680fe41129e04efda10b7b92639dee18 Mon Sep 17 00:00:00 2001 From: Zahari Doychev Date: Mon, 20 Oct 2014 00:17:52 +0200 Subject: Add SD card dumps (SD mode) on an i.MX6 board. --- sdcard/sd_mode/imx6_quad/README | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100644 sdcard/sd_mode/imx6_quad/README (limited to 'sdcard/sd_mode/imx6_quad/README') diff --git a/sdcard/sd_mode/imx6_quad/README b/sdcard/sd_mode/imx6_quad/README new file mode 100644 index 0000000..0f1dce8 --- /dev/null +++ b/sdcard/sd_mode/imx6_quad/README @@ -0,0 +1,30 @@ +------------------------------------------------------------------------------- +SD card / SD mode / i.MX6 +------------------------------------------------------------------------------- + +This is a set of example captures of SD cards in "SD mode" (not SPI mode). + +The cards were used in an eval board based on the Freescale i.MX6 Quad. + + - Working: Transcend 16GB micro SDHC + - Failing: SanDisk 2GB class 2 SD card + +Details: +http://wandboard.org/ +http://boundarydevices.com/products/nitrogen6x-board-imx6-arm-cortex-a9-sbc/ + + +Logic analyzer setup +-------------------- + +The logic analyzer used was a Saleae Logic16 (at 40MHz): + + Probe SD card + ------------------- + 0 CLK + 1 DAT0 + 2 DAT1 + 3 DAT2 + 4 CMD + 5 DAT3 + -- cgit v1.2.3-70-g09d2