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
    • IP5306 Battery Management System
    • 24LC512 EEPROM 512Kbit

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

LTC2635

IP5306 Battery Management System¶

Fully-Integrated Power Bank System-On-Chip with 2.1A charger, 2.4A discharger

@I2C 0x75
IP5306

24LC512 EEPROM 512Kbit¶

VDD 2.5-5.5V
400-kHz Fast I2C bus
@I2C

		A2	A1	A0
0x50	0b1010000	GND	GND	GND
0x51	0b1010001	GND	GND	VCC
0x52	0b1010010	GND	VCC	GND
0x53	0b1010000	GND	VCC	VCC
0x54	0b1010100	VCC	GND	GND
0x55	0b1010101	VCC	GND	VCC
0x54	0b1010110	VCC	VCC	GND
0x55	0b1010111	VCC	VCC	VCC