# i2cdump > Dump I2C device registers. > See also: `i2cdetect`, `i2cget`, `i2cset`. > Note: All addresses should be specified in hexadecimal. > More information: . - Dump all registers of an I2C device: `i2cdump {{i2cbus}} {{device_address}}` - Dump all registers of an I2C device without asking for confirmation: `i2cdump -y {{i2cbus}} {{device_address}}` - Dump all registers of an I2C device using a specific mode: `i2cdump {{i2cbus}} {{device_address}} {{b|w|c|s|i}}` - Dump registers from `start` to `end` of an I2C device: `i2cdump -r {{start}}-{{end}} {{i2cbus}} {{device_address}}`