Wiki¶

• Table of contents
• Wiki
  • USB <-> I2C
    • Commande Linux
  • Composants
    • PCF8563 Real-time clock/calendar
    • TCA9535 I/O Expander 16-Bit
    • ADS1115 Quad ADCs
    • LTC2635 Quad DACs

USB <-> I2C¶

Passerelle USB-I2C SiLabs CP2112

Commande Linux¶

i2c-tools

sudo apt install i2c-tools

i2cdetect -l

i2cdetect -r -y N

N numero I2C ici 5

detection d'une puce I2C PCF8563 @ 0x51

https://www.acmesystems.it/i2c
https://www.youtube.com/watch?v=QwlqOTDAPfk

Composants¶

PCF8563 Real-time clock/calendar¶

VDD = 1.8 V to 5.5 V
400-kHz Fast I2C bus
@I2C 0x51

PCF8563

TCA9535 I/O Expander 16-Bit¶

Low-Voltage 16-Bit I2C and SMBus Low-Power I/O Expander with Interrupt Output and Configuration Registers,

VDD 1.65 V to 5 V
400-kHz Fast I2C bus.
@I2C

TCA9535

ADS1115 Quad ADCs¶

16-bit, 860-SPS, 4-channel, delta-sigma ADC with PGA, oscillator, VREF, comparator and I2C

VDD 2.0 V to 5.5 V
@I2C |0x48|0b1001000|GND| |0x49|0b1001001|VDD| |0x48|0b1001010|SDA| |0x49|0b1001011|SCL|
ADS1115

LTC2635 Quad DACs¶

Quad 12-/10-/8-Bit I2C VOUT
DACs with 10ppm/°C Reference

VDD 2.7V to 5.5V
@I2C

0x10	0b0010000	GND
0x11	0b0010001	NC
0x12	0b0010010	VDD