US 12,267,183 B2
Slave device, bus system, and methods
Christof Michenthaler, Feistritz/Gail (AT); Leo Aichriedler, Puch (AT); Thomas Hafner, Klagenfurt (AT); and Dirk Hammerschmidt, Finkenstein (AT)
Assigned to Infineon Technologies AG, Neubiberg (DE)
Appl. No. 17/761,300
Filed by Infineon Technologies AG, Neubiberg (DE)
PCT Filed Sep. 9, 2020, PCT No. PCT/EP2020/000153
§ 371(c)(1), (2) Date Mar. 17, 2022,
PCT Pub. No. WO2021/058123, PCT Pub. Date Apr. 1, 2021.
Claims priority of application No. 10 2019 125 493.0 (DE), filed on Sep. 23, 2019.
Prior Publication US 2022/0353108 A1, Nov. 3, 2022
Int. Cl. H04L 12/403 (2006.01); H04L 12/413 (2006.01)
CPC H04L 12/413 (2013.01) [H04L 12/403 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method, comprising:
receiving, by a slave device, an initialization signal;
transmitting, by the slave device, in response to the initialization signal, an identifier of the slave device over a bus;
checking, by the slave device, whether, when transmitting the identifier, a collision occurs on the bus,
wherein the bus has a dominant level or a recessive level, and
wherein a collision is present on the bus if, when transmitting the identifier, the recessive level is placed on the bus by the slave device as a result of transmitting the identifier and the dominant level is detected as being present on the bus while transmitting the identifier on the bus; and
if a collision occurs, placing, by the slave device, the slave device into an inactive state, and if no collision occurs, receiving, by the slave device, an address for the slave device after the transmission of the identifier.