MAX32665-MAX32668 User Guide
Maxim Integrated Page 4 of 457
4.8 RAM Memory Management ---------------------------------------------------------------------------------------------- 67
4.8.1 RAM Zeroization ------------------------------------------------------------------------------------------------------------------------- 67
4.8.2 RAM Low Power Modes --------------------------------------------------------------------------------------------------------------- 67
4.9 Miscellaneous Control Registers ----------------------------------------------------------------------------------------- 68
4.10 Miscellaneous Control Registers Details ------------------------------------------------------------------------------- 68
4.11 Single Inductor Multiple Output (SIMO) Power Supply ------------------------------------------------------------ 71
4.11.1 Power Supply Monitor ------------------------------------------------------------------------------------------------------------------ 71
4.12 Single Inductor Multiple Output (SIMO) Registers ------------------------------------------------------------------ 72
4.13 Single Inductor Multiple Output (SIMO) Registers Details -------------------------------------------------------- 73
4.14 Power Sequencer and Always-On Domain Registers --------------------------------------------------------------- 78
4.15 Power Sequencer and Always-On Domain Register Details ------------------------------------------------------- 79
4.16 Global Control Registers (GCR) ------------------------------------------------------------------------------------------- 85
4.17 Global Control Register Details (GCR) ---------------------------------------------------------------------------------- 86
4.18 Function Control Registers ---------------------------------------------------------------------------------------------- 113
4.19 Function Control Register Details ------------------------------------------------------------------------------------- 113
4.20 AES Key Registers ---------------------------------------------------------------------------------------------------------- 114
4.21 AES Key Register Details ------------------------------------------------------------------------------------------------- 114
5. Interrupts and Exceptions ------------------------------------------------------------------------------------------ 115
5.1 Features ---------------------------------------------------------------------------------------------------------------------- 115
5.2 Interrupt Vector Table --------------------------------------------------------------------------------------------------- 115
6. General-Purpose I/O and Alternate Function Pins (GPIO) --------------------------------------------------- 119
6.1 Instances --------------------------------------------------------------------------------------------------------------------- 119
6.2 Usage ------------------------------------------------------------------------------------------------------------------------- 123
6.2.1 Reset State ------------------------------------------------------------------------------------------------------------------------------ 123
6.2.2 Input Mode Configuration----------------------------------------------------------------------------------------------------------- 123
6.2.3 Output Mode Configuration -------------------------------------------------------------------------------------------------------- 123
6.2.4 Alternate Function Configuration ------------------------------------------------------------------------------------------------- 123
6.3 Configuring GPIO (External) Interrupts ------------------------------------------------------------------------------- 123
6.3.1 GPIO Interrupt Handling ------------------------------------------------------------------------------------------------------------- 124
6.3.2 Using GPIO for Wakeup from Low Power Modes ----------------------------------------------------------------------------- 124
6.4 Registers --------------------------------------------------------------------------------------------------------------------- 125
6.5 Register Details ------------------------------------------------------------------------------------------------------------ 126
7. Flash Controller (FLC) ------------------------------------------------------------------------------------------------ 134
7.1 Instances --------------------------------------------------------------------------------------------------------------------- 134
7.2 Usage ------------------------------------------------------------------------------------------------------------------------- 134