From be8e3cff4193f331c2963ed713023ba677c6047d Mon Sep 17 00:00:00 2001 From: Uwe Hermann Date: Thu, 11 Dec 2014 23:05:34 +0100 Subject: uart: Add a Maxim MAX3232E dump (inverted signals). --- uart/maxim_max3232e/README | 30 +++++++++++++++++++++ .../max3232e_hello_world_57600_8n1.sr | Bin 0 -> 12742 bytes 2 files changed, 30 insertions(+) create mode 100644 uart/maxim_max3232e/README create mode 100644 uart/maxim_max3232e/max3232e_hello_world_57600_8n1.sr (limited to 'uart') diff --git a/uart/maxim_max3232e/README b/uart/maxim_max3232e/README new file mode 100644 index 0000000..7c6a219 --- /dev/null +++ b/uart/maxim_max3232e/README @@ -0,0 +1,30 @@ +------------------------------------------------------------------------------- +Maxim MAX3232E +------------------------------------------------------------------------------- + +This is a set of example captures of the serial (UART) data going over +a Maxim MAX3232E RS232 transceiver. + +The communication happens at 57600 baud, 8n1. + +Details: +http://www.maximintegrated.com/en/products/interface/transceivers/MAX3232E.html + + +Logic analyzer setup +-------------------- + +The logic analyzer used was an IKALOGIC ScanaPLUS (at 100MHz): + + Probe UART + ---------------- + 2 (red) MAX3232E DOUT1 + 3 (orange) MAX3232E DIN1 + + +Data +---- + +The text "Hello world\r\n" is transmitted multiple times (DIN1 and DOUT1 +logic levels are inverted, but they both have the same data). + diff --git a/uart/maxim_max3232e/max3232e_hello_world_57600_8n1.sr b/uart/maxim_max3232e/max3232e_hello_world_57600_8n1.sr new file mode 100644 index 0000000..52e47b3 Binary files /dev/null and b/uart/maxim_max3232e/max3232e_hello_world_57600_8n1.sr differ -- cgit v1.2.3-54-g00ecf