6 Mar
2022
6 Mar
'22
8:49 p.m.
It looks like any really useful up-to-date documents are likely to be from infineon.com nowadays. https://www.infineon.com/dgdl/Infineon-CYW43455_Single-Chip_5G_WiFi_IEEE_802...
Cypress is converting the acquired IoT part numbers from Broadcom to the Cypress part numbering scheme. Due to this conversion, there is no change in form, fit, or function as a result of offering the device with Cypress part number marking. The table provides Cypress ordering part number that matches an existing IoT part number.
BCM43455 CYW43455 BCM43455XKUBG CYW43455XKUBG BCM43455HKUBG CYW43455HKUBG BCM4329 CYW4329 BCM4330 CYW4330
So, a cypress 43455, is a bcm43455. A step up from the raspi 3's bcm43438.