From 347cf0cbfc1d37fe5c63ad39b23d361cabf4d006 Mon Sep 17 00:00:00 2001 From: Uwe Hermann Date: Tue, 25 Sep 2018 23:47:22 +0200 Subject: Add a few Maxim MAX3420E SPI/USB captures. --- spi/max3420e/datq1thd6b0/README | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 spi/max3420e/datq1thd6b0/README (limited to 'spi/max3420e/datq1thd6b0/README') diff --git a/spi/max3420e/datq1thd6b0/README b/spi/max3420e/datq1thd6b0/README new file mode 100644 index 0000000..bf1b45c --- /dev/null +++ b/spi/max3420e/datq1thd6b0/README @@ -0,0 +1,33 @@ +------------------------------------------------------------------------------- +Maxim MAX3420E on a DATQ1THD6B0 touch screen module +------------------------------------------------------------------------------- + +This directory contains captures of the SPI/USB communication of a +DATQ1THD6B0 touch screen module (used for TFT monitors). + +Details: +https://randomprojects.org/wiki/DATQ1THD6B0_touch_screen_module +https://www.maximintegrated.com/en/products/interface/controllers-expanders/MAX3420E.html + + +Logic analyzer setup +-------------------- + +The logic analyzer used was a Saleae Logic16 (at 50MHz): + + Probe MAX3420E + -------------------- + 0 USB D- + 1 USB D+ + 2 MOSI + 3 CLK + 4 CS# + 5 MISO + + +max3420e_poweron_and_other_pcbs.sr +---------------------------------- + +The samplerate here is only 32MHz, USB may not be entirely decodable. This +is a capture which is only meant to show the timing of when the two other +PCBs are initialized relative to the main PCB. -- cgit v1.2.3-70-g09d2