NXP Semiconductors UM11734Hardware user manual for FRDM665SPIEVBPin number Connection Description9 SDAT_RSP_TXD interface to MC33665A response TXD11 SCLK_RSP interface to MC33665A response clock17 RESET interface to MC33665A RESET signal19 WAKE_IN interface to MC33665A WAKE_IN signalOther - not connectedTable 11. S32K344EVB connector - K2...continuedPin number Connection Description3 VIO-S32K preselected VIO from S32K344EVB9 5V-S32K 5 V power rail from S32K344EVB11 VSS ground13 VSS groundOther - not connectedTable 12. S32K344EVB connector - K3Pin number Connection Description7 SCLK_REQ request clock signal to MC33665A13 SDAT_REQ_RXD request RXD signal to MC33665A15 CSN_REQ request CSN to MC33665AOther - not connectedTable 13. S32K344EVB connector - K4Pin number Connection Description12 VSS groundOther - not connectedTable 14. S32K344EVB connector - K5Pin number Connection Description5 SDAT_RSP_TXD response signal from MC33665A• Must disable pin of S32K344 in SPI mode• Only functional for universal asynchronous receiver transmitter (UART) EVB7 SDAT_REQ_RXD request signal to MC33665A• Must disable pin of S32K344• Only functional for UART EVB12 VSS groundOther - not connectedTable 15. S32K344EVB connector - K6UM11734 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2022. All rights reserved.User manual Rev. 1 — 18 May 202210 / 16