Wiki » History » Version 38
Frédéric Blanc, 2024-11-08 14:09
| 1 | 1 | Frédéric Blanc | h1. Wiki |
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| 2 | |||
| 3 | 9 | Frédéric Blanc | {{toc}} |
| 4 | 1 | Frédéric Blanc | |
| 5 | 9 | Frédéric Blanc | h2. USB <-> I2C |
| 6 | 3 | Frédéric Blanc | |
| 7 | !clipboard-202411051457-ujwet.png! |
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| 8 | 1 | Frédéric Blanc | Passerelle USB-I2C SiLabs CP2112 |
| 9 | |||
| 10 | h3. Commande Linux |
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| 11 | |||
| 12 | 38 | Frédéric Blanc | h4. i2c-tools |
| 13 | 1 | Frédéric Blanc | <pre><code class="shell"> |
| 14 | sudo apt install i2c-tools |
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| 15 | </code></pre> |
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| 16 | |||
| 17 | 38 | Frédéric Blanc | h5. i2cdetect |
| 18 | |||
| 19 | 1 | Frédéric Blanc | <pre><code class="shell"> |
| 20 | i2cdetect -l |
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| 21 | </code></pre> |
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| 22 | 6 | Frédéric Blanc | !clipboard-202411051520-zo9bt.png! |
| 23 | 4 | Frédéric Blanc | |
| 24 | <pre><code class="shell"> |
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| 25 | 36 | Frédéric Blanc | sudo i2cdetect -r -y N |
| 26 | 4 | Frédéric Blanc | </code></pre> |
| 27 | 5 | Frédéric Blanc | N numero I2C ici 5 |
| 28 | 33 | Frédéric Blanc | !clipboard-202411081354-28b9g.png! |
| 29 | 35 | Frédéric Blanc | détection de puces I2C, TCA9535 0x20, ADS1115 0x48, PCF8563 0x51 |
| 30 | 1 | Frédéric Blanc | |
| 31 | 38 | Frédéric Blanc | h5. i2cget |
| 32 | |||
| 33 | 37 | Frédéric Blanc | <pre><code class="shell"> |
| 34 | sudo i2cget 5 0x20 0x04 |
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| 35 | </code></pre> |
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| 36 | !clipboard-202411081405-bcbfj.png! |
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| 37 | 1 | Frédéric Blanc | lecture dans le TCA9535 0x20, dans le registre 0x4 |
| 38 | 38 | Frédéric Blanc | |
| 39 | h5. i2cset |
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| 40 | 37 | Frédéric Blanc | |
| 41 | <pre><code class="shell"> |
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| 42 | sudo i2cset 5 0x20 0x02 0x01 |
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| 43 | </code></pre> |
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| 44 | !clipboard-202411081403-zlizw.png! |
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| 45 | écriture dans le TCA9535 0x20, dans le registre 0x2, les bits 0b00000001 |
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| 46 | |||
| 47 | 2 | Frédéric Blanc | https://www.acmesystems.it/i2c |
| 48 | 1 | Frédéric Blanc | https://www.youtube.com/watch?v=QwlqOTDAPfk |
| 49 | 10 | Frédéric Blanc | |
| 50 | h2. Composants |
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| 51 | |||
| 52 | h3. PCF8563 Real-time clock/calendar |
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| 53 | |||
| 54 | 1 | Frédéric Blanc | !clipboard-202411071057-aw2q3.png! |
| 55 | 16 | Frédéric Blanc | VDD = 1.8 V to 5.5 V |
| 56 | 400-kHz Fast I2C bus |
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| 57 | 11 | Frédéric Blanc | *@I2C 0x51* |
| 58 | 1 | Frédéric Blanc | |
| 59 | 17 | Frédéric Blanc | document#245 |
| 60 | |||
| 61 | 10 | Frédéric Blanc | h3. TCA9535 I/O Expander 16-Bit |
| 62 | 1 | Frédéric Blanc | |
| 63 | 16 | Frédéric Blanc | Low-Voltage 16-Bit I2C and SMBus Low-Power I/O Expander with Interrupt Output and Configuration Registers, |
| 64 | 13 | Frédéric Blanc | |
| 65 | 10 | Frédéric Blanc | !clipboard-202411071059-exmd3.png! |
| 66 | 16 | Frédéric Blanc | VDD 1.65 V to 5 V |
| 67 | 400-kHz Fast I2C bus. |
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| 68 | 12 | Frédéric Blanc | *@I2C* |
| 69 | !clipboard-202411071120-iho0j.png! |
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| 70 | 18 | Frédéric Blanc | document#243 |
| 71 | 15 | Frédéric Blanc | |
| 72 | 16 | Frédéric Blanc | h3. ADS1115 Quad ADCs |
| 73 | 15 | Frédéric Blanc | |
| 74 | 16-bit, 860-SPS, 4-channel, delta-sigma ADC with PGA, oscillator, VREF, comparator and I2C |
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| 75 | |||
| 76 | 1 | Frédéric Blanc | !clipboard-202411071414-qcbtd.png! |
| 77 | 16 | Frédéric Blanc | VDD 2.0 V to 5.5 V |
| 78 | 1 | Frédéric Blanc | *@I2C* |
| 79 | 26 | Frédéric Blanc | |
| 80 | 1 | Frédéric Blanc | |0x48|0b1001000|GND| |
| 81 | |0x49|0b1001001|VDD| |
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| 82 | |0x48|0b1001010|SDA| |
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| 83 | |0x49|0b1001011|SCL| |
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| 84 | 26 | Frédéric Blanc | |
| 85 | 19 | Frédéric Blanc | document#242 |
| 86 | 16 | Frédéric Blanc | |
| 87 | h3. LTC2635 Quad DACs |
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| 88 | |||
| 89 | Quad 12-/10-/8-Bit I2C VOUT |
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| 90 | DACs with 10ppm/°C Reference |
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| 91 | !clipboard-202411081042-w1dol.png! |
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| 92 | VDD 2.7V to 5.5V |
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| 93 | *@I2C* |
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| 94 | 25 | Frédéric Blanc | |
| 95 | 16 | Frédéric Blanc | |0x10|0b0010000|GND| |
| 96 | |0x11|0b0010001|NC| |
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| 97 | |0x12|0b0010010|VDD| |
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| 98 | 25 | Frédéric Blanc | |
| 99 | 20 | Frédéric Blanc | document#244 |
| 100 | 21 | Frédéric Blanc | |
| 101 | 29 | Frédéric Blanc | h3. IP5306 Battery Management System |
| 102 | 21 | Frédéric Blanc | |
| 103 | Fully-Integrated Power Bank System-On-Chip with 2.1A charger, 2.4A discharger |
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| 104 | 27 | Frédéric Blanc | !clipboard-202411081112-fltgj.png! |
| 105 | 28 | Frédéric Blanc | *@I2C 0x75* |
| 106 | 21 | Frédéric Blanc | document#246 |
| 107 | 30 | Frédéric Blanc | |
| 108 | h3. 24LC512 EEPROM 512Kbit |
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| 109 | |||
| 110 | 31 | Frédéric Blanc | !clipboard-202411081325-eulk2.png! |
| 111 | VDD 2.5-5.5V |
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| 112 | 400-kHz Fast I2C bus |
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| 113 | *@I2C* |
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| 114 | |||A2|A1|A0| |
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| 115 | |0x50|0b1010000|GND|GND|GND| |
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| 116 | |0x51|0b1010001|GND|GND|VCC| |
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| 117 | |0x52|0b1010010|GND|VCC|GND| |
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| 118 | |0x53|0b1010000|GND|VCC|VCC| |
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| 119 | |0x54|0b1010100|VCC|GND|GND| |
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| 120 | |0x55|0b1010101|VCC|GND|VCC| |
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| 121 | |0x54|0b1010110|VCC|VCC|GND| |
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| 122 | |0x55|0b1010111|VCC|VCC|VCC| |
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| 123 | 32 | Frédéric Blanc | document#247 |