Maxim Integrated MAX32665 - Page 8

MAX32665-MAX32668 User Guide
Maxim Integrated Page 8 of 457
13.6 Register Details ------------------------------------------------------------------------------------------------------------ 293
14. Quad Serial Peripheral Interface (SPI) ------------------------------------------------------------------------- 306
14.1 Instances --------------------------------------------------------------------------------------------------------------------- 307
14.2 SPI Formats ----------------------------------------------------------------------------------------------------------------- 308
14.2.1 Four-Wire SPI --------------------------------------------------------------------------------------------------------------------------- 308
14.2.2 Three-Wire SPI -------------------------------------------------------------------------------------------------------------------------- 309
14.3 Pin Configuration ---------------------------------------------------------------------------------------------------------- 310
14.3.1 QSPIn Alternate Function Mapping ----------------------------------------------------------------------------------------------- 310
14.3.2 Four-wire Format Configuration --------------------------------------------------------------------------------------------------- 310
14.3.3 Three-Wire Format Configuration ------------------------------------------------------------------------------------------------ 310
14.3.4 Dual Mode Format Configuration ------------------------------------------------------------------------------------------------- 311
14.3.5 Quad Mode Format Pin Configuration ------------------------------------------------------------------------------------------- 311
14.4 QSPI Clock Configuration ------------------------------------------------------------------------------------------------ 311
14.4.1 Serial Clock ------------------------------------------------------------------------------------------------------------------------------ 311
14.4.2 SPI Peripheral Clock ------------------------------------------------------------------------------------------------------------------- 312
14.4.3 Master Mode Serial Clock Generation ------------------------------------------------------------------------------------------- 312
14.4.4 Clock Phase and Polarity Control -------------------------------------------------------------------------------------------------- 312
14.4.5 QSPIn FIFOs ----------------------------------------------------------------------------------------------------------------------------- 313
14.4.6 QSPI Interrupts and Wakeups ------------------------------------------------------------------------------------------------------ 313
14.5 Registers --------------------------------------------------------------------------------------------------------------------- 314
14.6 Register Details ------------------------------------------------------------------------------------------------------------ 315
15. HTimer (HT) --------------------------------------------------------------------------------------------------------- 324
15.1 Overview --------------------------------------------------------------------------------------------------------------------- 324
15.2 Alarm Functions ------------------------------------------------------------------------------------------------------------ 324
15.2.1 Long-Interval Alarm ------------------------------------------------------------------------------------------------------------------- 324
15.2.2 Short-Interval Alarm ------------------------------------------------------------------------------------------------------------------ 324
15.3 Register Access Control -------------------------------------------------------------------------------------------------- 325
15.3.1 Register Write Protection ----------------------------------------------------------------------------------------------------------- 325
15.3.2 Register Read Protection ------------------------------------------------------------------------------------------------------------ 325
15.3.3 Count Register Access ---------------------------------------------------------------------------------------------------------------- 325
15.3.4 Alarm Register Access ---------------------------------------------------------------------------------------------------------------- 325
15.4 Registers --------------------------------------------------------------------------------------------------------------------- 326
15.5 Register Details ------------------------------------------------------------------------------------------------------------ 326
16. Timers ---------------------------------------------------------------------------------------------------------------- 329
16.1 Features ---------------------------------------------------------------------------------------------------------------------- 329
16.2 Basic Operation ------------------------------------------------------------------------------------------------------------ 329