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1 | ------------------------------------------------------------------------------- |
2 | Maxim MAX3232E | |
3 | ------------------------------------------------------------------------------- | |
4 | ||
5 | This is a set of example captures of the serial (UART) data going over | |
6 | a Maxim MAX3232E RS232 transceiver. | |
7 | ||
8 | The communication happens at 57600 baud, 8n1. | |
9 | ||
10 | Details: | |
11 | http://www.maximintegrated.com/en/products/interface/transceivers/MAX3232E.html | |
12 | ||
13 | ||
14 | Logic analyzer setup | |
15 | -------------------- | |
16 | ||
17 | The logic analyzer used was an IKALOGIC ScanaPLUS (at 100MHz): | |
18 | ||
19 | Probe UART | |
20 | ---------------- | |
21 | 2 (red) MAX3232E DOUT1 | |
22 | 3 (orange) MAX3232E DIN1 | |
23 | ||
24 | ||
25 | Data | |
26 | ---- | |
27 | ||
28 | The text "Hello world\r\n" is transmitted multiple times (DIN1 and DOUT1 | |
29 | logic levels are inverted, but they both have the same data). | |
30 |