Here is a list of all modules:

[detail level 1234]

▼CM3 Defines	Defined Constants and Types for Cortex M3 core features
Debugging	Macros and functions to aid in debugging
▼Cortex Core Defines	libopencm3 Defined Constants and Types for the Cortex Core
Cortex Core Atomic support Defines	Atomic operation support
Cortex-M Data Watch and Trace unit.	System Control Space (SCS) => Data Watchpoint and Trace (DWT)
Cortex-M Flash Patch and Breakpoint (FPB) unit
Cortex-M Instrumentation Trace Macrocell (ITM)
▼Cortex-M MPU Defines	libopencm3 Cortex Memory Protection Unit
MPU Registers
MPU TYPE register fields	The MPU_TYPE register is always available, even if the MPU is not implemented
MPU CTRL register fields	Defines for the Control Register
MPU RNR register fields	Defines for the Region Number Register
MPU RBAR register fields	Defines for the Region Base Address Register
▼MPU RASR register fields	Defines for the Region Attribute and Size Register
MPU RASR Attributes	Not all attributes are available on v6m
▼Cortex-M NVIC Defines	libopencm3 Cortex Nested Vectored Interrupt Controller
NVIC Registers
Cortex M0/M3/M4 System Interrupts	IRQ numbers -3 and -6 to -9 are reserved
User interrupts for LPC 43xx series M0 core
▼Cortex-M System Control Block	The System Control Block is a section of the System Control Space
SCB Registers
SCB_CPUID Values
SCB_ICSR Values
SCB_VTOR Values
SCB_AICR Values
SCB_SCR Values
SCB_CCR Values
▼Cortex-M System Control Space	The System Control Space (SCS) is a memory-mapped 4KB address space that provides 32-bit registers for configuration, status reporting and control
SCS Registers
▼Cortex-M SysTick Defines	libopencm3 Defined Constants and Types for the Cortex SysTick
▼STK_CSR Values
Clock source selection
STK_RVR Values
STK_CALIB Values
Cortex-M Trace Port Interface Unit (TPIU)
Cortex Core Peripheral APIs	APIs for Cortex Core peripherals
Coresight Registers	CoreSight Lock Status Registers and Lock Access Registers are documented for the DWT, ITM, FPB and TPIU peripherals
LPC43xx	Libraries for NXP Semiconductors LPC43xx series
▼LPC43xx Defines	Defined Constants and Types for the LPC43xx series
ADC Defines	Defined Constants and Types for the LPC43xx A/D Converter
Alarm Timer Defines	Defined Constants and Types for the LPC43xx Alarm Timer
Clock Control Unit Defines	Defined Constants and Types for the LPC43xx Clock Control Unit
Clock Generation Unit Defines	Defined Constants and Types for the LPC43xx Clock Generation Unit
Configuration Registers Defines	Defined Constants and Types for the LPC43xx Configuration Registers
Event Router Defines	Defined Constants and Types for the LPC43xx Event Router
Global Input Multiplexer Array Defines	Defined Constants and Types for the LPC43xx Global Input Multiplexer Array
General Purpose DMA Defines	Defined Constants and Types for the LPC43xx General Purpose DMA
General Purpose I/O Defines	Defined Constants and Types for the LPC43xx General Purpose I/O
I2C Defines	Defined Constants and Types for the LPC43xx I2C
I2S Defines	Defined Constants and Types for the LPC43xx I2S
Reset Generation Unit Defines	Defined Constants and Types for the LPC43xx Reset Generation Unit
Repetitive Interrupt Timer Defines	Defined Constants and Types for the LPC43xx Repetitive Interrupt Timer
System Control Unit Defines	Defined Constants and Types for the LPC43xx System Control Unit
SDIO	Defined Constants and Types for the LPC43xx SDIO
Serial General Purpose I/O	Defined Constants and Types for the LPC43xx Serial General Purpose I/O
Synchronous Serial Port	Defined Constants and Types for the LPC43xx Synchronous Serial Port
Timer	Defined Constants and Types for the LPC43xx timer
Windowed Watchdog Timer	Defined Constants and Types for the LPC43xx Windowed Watchdog Timer
(M0) User interrupt service routines (ISR) prototypes for LPC 43xx series M0 core