# QRB5165 interface introduction
Source: [https://docs.qualcomm.com/doc/80-PV086-5P/topic/QRB5165-interface-introduction.html](https://docs.qualcomm.com/doc/80-PV086-5P/topic/QRB5165-interface-introduction.html)
The QRB5165 interfaces with other chipset ICs as follows:
Table : 1. Chipset interfaces
| Chipset | Interface |
| --- | --- |
| 4G/5G Modem IC | PCIe2 and UART(s) |
| QCA639x (WLAN/Bluetooth IC) | PCIe0, SLIMbus, and UART |
| QCA643x + QCA642x WiGig | PCIe1 |
| Power management |
- SPMI for PM8250, PM8150L/PM8150A, PM8150B, PMK8002, PMX55, and PM8009
- I2C for SMB1355 and SMB1390
|
| Audio codec | SWR for WCD9380 |
| Smart speaker amplifier | SWR for WSA881x |
Figure : 1. QRB5165 interface with other chipset IC

**Parent Topic:** [QRB5165 interfaces](https://docs.qualcomm.com/doc/80-PV086-5P/topic/qrb5165-interfaces.html)
Last Published: Jul 07, 2023
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