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1 | ------------------------------------------------------------------------------- | |
2 | Voltcraft VC-940 multimeter | |
3 | ------------------------------------------------------------------------------- | |
4 | ||
5 | This is a set of example captures of various communication channels in a | |
6 | Voltcraft VC-940 multimeter: | |
7 | ||
8 | - Texas Instruments MSP430F149: UART | |
9 | - IR transmitter diode: UART | |
10 | - Cyrustek ES51966F: custom 3-wire protocol (SCLK, STATUS, EOC) | |
11 | - 24LC515: I²C | |
12 | ||
13 | Details: | |
14 | http://sigrok.org/wiki/Voltcraft_VC-940 | |
15 | ||
16 | ||
17 | Logic analyzer setup | |
18 | -------------------- | |
19 | ||
20 | The logic analyzer used was a Saleae Logic16 (at 500kHz / 1MHz / 4MHz): | |
21 | ||
22 | Probe Voltcraft VC-940 | |
23 | ---------------------------- | |
24 | 0 M430F149 UTXD1 | |
25 | 1 M430F149 URXD1 | |
26 | 2 ES51966F STATUS | |
27 | 3 ES51966F SCLK | |
28 | 4 ES51966F EOC | |
29 | 5 TX1 (IR) | |
30 | 6 24LC515 SDA | |
31 | 7 24LC515 SCL | |
32 | 8 24LC515 WP | |
33 |