IOPCTL: Input/Output Pad Controller

Overview

The MCUXpresso SDK provides a peripheral driver for the Input/Output Pad Controller.

The IOPCTL, working in conjunction with the PIMCTL, enables the chip to share one pad for multiple signals from different peripheral interfaces.

Files
file	fsl_iopctl.h

Data Structures
struct	iopctl_group_t
	Array of IOPCTL pin definitions passed to IOPCTL_SetPinMuxing() must be in this format. More...

Macros
#define	IOPCTL_FUNC0   0x0
	IOPCTL function and mode selection definitions. More...
#define	IOPCTL_FUNC1   0x1
	Selects pin function 1.
#define	IOPCTL_FUNC2   0x2
	Selects pin function 2.
#define	IOPCTL_FUNC3   0x3
	Selects pin function 3.
#define	IOPCTL_FUNC4   0x4
	Selects pin function 4.
#define	IOPCTL_FUNC5   0x5
	Selects pin function 5.
#define	IOPCTL_FUNC6   0x6
	Selects pin function 6.
#define	IOPCTL_FUNC7   0x7
	Selects pin function 7.
#define	IOPCTL_FUNC8   0x8
	Selects pin function 8.
#define	IOPCTL_FUNC9   0x9
	Selects pin function 9.
#define	IOPCTL_FUNC10   0xA
	Selects pin function 10.
#define	IOPCTL_FUNC11   0xB
	Selects pin function 11.
#define	IOPCTL_FUNC12   0xC
	Selects pin function 12.
#define	IOPCTL_FUNC13   0xD
	Selects pin function 13.
#define	IOPCTL_FUNC14   0xE
	Selects pin function 14.
#define	IOPCTL_FUNC15   0xF
	Selects pin function 15.
#define	IOPCTL_PUPD_EN   (0x1 << 4)
	Enables Pullup / Pulldown.
#define	IOPCTL_PULLDOWN_EN   (0x0 << 5)
	Selects pull-down function.
#define	IOPCTL_PULLUP_EN   (0x1 << 5)
	Selects pull-up function.
#define	IOPCTL_INBUF_EN   (0x1 << 6)
	Enables buffer function on input.
#define	IOPCTL_SLEW_RATE   (0x0 << 7)
	Slew Rate Control.
#define	IOPCTL_FULLDRIVE_EN   (0x1 << 8)
	Selects full drive.
#define	IOPCTL_ANAMUX_EN   (0x1 << 9)
	Enables analog mux function by setting 0 to bit 7.
#define	IOPCTL_PSEDRAIN_EN   (0x1 << 10)
	Enables pseudo output drain function.
#define	IOPCTL_INV_EN   (0x1 << 11)
	Enables invert function on input.

Functions
__STATIC_INLINE void	IOPCTL_PinMuxSet (IOPCTL_Type *base, uint8_t port, uint8_t pin, uint32_t modefunc)
	Sets I/O Pad Control pin mux. More...
__STATIC_INLINE void	IOPCTL_SetPinMuxing (IOPCTL_Type *base, const iopctl_group_t *pinArray, uint32_t arrayLength)
	Set all I/O Control pin muxing. More...

Driver version
#define	LPC_IOPCTL_DRIVER_VERSION   (MAKE_VERSION(2, 0, 0))
	IOPCTL driver version 2.0.0. More...

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Data Structure Documentation

struct iopctl_group_t

Macro Definition Documentation

#define LPC_IOPCTL_DRIVER_VERSION   (MAKE_VERSION(2, 0, 0))

#define IOPCTL_FUNC0   0x0

Note

See the User Manual for specific modes and functions supported by the various pins.Selects pin function 0

Function Documentation

__STATIC_INLINE void IOPCTL_PinMuxSet	(	IOPCTL_Type *	base,
		uint8_t	port,
		uint8_t	pin,
		uint32_t	modefunc
	)

Parameters

base	: The base of IOPCTL peripheral on the chip
port	: Port to mux
pin	: Pin to mux
modefunc	: OR'ed values of type IOPCTL_*

Returns

Nothing

__STATIC_INLINE void IOPCTL_SetPinMuxing	(	IOPCTL_Type *	base,
		const iopctl_group_t *	pinArray,
		uint32_t	arrayLength
	)

Parameters

base	: The base of IOPCTL peripheral on the chip
pinArray	: Pointer to array of pin mux selections
arrayLength	: Number of entries in pinArray

Returns

Nothing