Register definitions for the PCA9685 I2C PWM controller. More...

Detailed Description

Register definitions for the PCA9685 I2C PWM controller.

Author: Gunar Schorcht gunar.nosp@m.@sch.nosp@m.orcht.nosp@m..net

Register addresses
#define	PCA9685_REG_MODE1 (0x00)
	Mode1 register.

#define	PCA9685_REG_MODE2 (0x01)
	Mode2 register.

#define	PCA9685_REG_SUBADR1 (0x02)
	I2C bus subaddress 1 register.

#define	PCA9685_REG_SUBADR2 (0x03)
	I2C bus subaddress 2 register.

#define	PCA9685_REG_SUBADR3 (0x04)
	I2C bus subaddress 3 register.

#define	PCA9685_REG_ALLCALLADDR (0x05)
	LED All Call I 2 C-bus address.

#define	PCA9685_REG_LED0_ON_L (0x06)
	LED0 ON control low byte.

#define	PCA9685_REG_ALL_LED_ON_L (0xfa)
	Load all LEDn_OFF register low byte.

#define	PCA9685_REG_ALL_LED_ON_H (0xfb)
	Load all LEDn_OFF register high byte.

#define	PCA9685_REG_ALL_LED_OFF_L (0xfc)
	Load all LEDn_OFF register low byte.

#define	PCA9685_REG_ALL_LED_OFF_H (0xfd)
	Load all LEDn_OFF register high byte.

#define	PCA9685_REG_ALL_LED_ON (0xfa)
	Load all LEDn_OFF register word.

#define	PCA9685_REG_ALL_LED_OFF (0xfc)
	Load all LEDn_OFF register word.

#define	PCA9685_REG_PRE_SCALE (0xfe)
	Prescaler for PWM output frequency.

#define	PCA9685_REG_TEST_MODE (0xff)
	Enter test mode register.

#define	PCA9685_REG_LED_ON(n) (0x06 + (n << 2))
	LEDn ON control word.

#define	PCA9685_REG_LED_OFF(n) (0x08 + (n << 2))
	LEDn OFF control word.

#define	PCA9685_REG_LED_ON_L(n) (0x06 + (n << 2))
	LEDn ON control low byte.

#define	PCA9685_REG_LED_ON_H(n) (0x07 + (n << 2))
	LEDn ON control high byte.

#define	PCA9685_REG_LED_OFF_L(n) (0x08 + (n << 2))
	LEDn OFF control low byte.

#define	PCA9685_REG_LED_OFF_H(n) (0x09 + (n << 2))
	LEDn OFF control high byte.

Register structures
#define	PCA9685_MODE1_RESTART (0x80)
	State of restart logic, write 1 to clear.

#define	PCA9685_MODE1_EXTCLK (0x40)
	Use EXTCLK pin.

#define	PCA9685_MODE1_AI (0x20)
	Enable register auto-increment.

#define	PCA9685_MODE1_SLEEP (0x10)
	Enter low power mode, PWM is off.

#define	PCA9685_MODE1_SUB1 (0x08)
	Enable I2C subaddress 1.

#define	PCA9685_MODE1_SUB2 (0x04)
	Enable I2C subaddress 2.

#define	PCA9685_MODE1_SUB3 (0x02)
	Enable I2C subaddress 3.

#define	PCA9685_MODE1_ALLCALL (0x01)
	Enable I2C all call address.

#define	PCA9685_MODE2_INVERT (0x10)
	Invert outputs.

#define	PCA9685_MODE2_OCH (0x08)
	Output change change configuration.

#define	PCA9685_MODE2_OUTDRV (0x04)
	Output driver configuration.

#define	PCA9685_MODE2_OUTNE (0x03)
	Output enabled configuration.

Register value definitions
#define	PCA9685_LED_ON (0x1000) /* LEDs on word */

#define	PCA9685_LED_OFF (0x1000) /* LEDs off word */

#define	PCA9685_LED_ON_H (0x10) /* LEDs on high byte */

#define	PCA9685_LED_OFF_H (0x10) /* LEDs off high byte */

#define	PCA9685_ALL_LED_ON (0x1000) /* All LEDs on word */

#define	PCA9685_ALL_LED_OFF (0x1000) /* All LEDs off word */

#define	PCA9685_ALL_LED_ON_H (0x10) /* All LEDs on high byte */

#define	PCA9685_ALL_LED_OFF_H (0x10) /* All LEDs off word */

Macro Definition Documentation

◆ PCA9685_ALL_LED_OFF

#define PCA9685_ALL_LED_OFF (0x1000) /* All LEDs off word */

Definition at line 88 of file pca9685_regs.h.

◆ PCA9685_ALL_LED_OFF_H

#define PCA9685_ALL_LED_OFF_H (0x10) /* All LEDs off word */

Definition at line 90 of file pca9685_regs.h.

◆ PCA9685_ALL_LED_ON

#define PCA9685_ALL_LED_ON (0x1000) /* All LEDs on word */

Definition at line 87 of file pca9685_regs.h.

◆ PCA9685_ALL_LED_ON_H

#define PCA9685_ALL_LED_ON_H (0x10) /* All LEDs on high byte */

Definition at line 89 of file pca9685_regs.h.

◆ PCA9685_LED_OFF

#define PCA9685_LED_OFF (0x1000) /* LEDs off word */

Definition at line 84 of file pca9685_regs.h.

◆ PCA9685_LED_OFF_H

#define PCA9685_LED_OFF_H (0x10) /* LEDs off high byte */

Definition at line 86 of file pca9685_regs.h.

◆ PCA9685_LED_ON

#define PCA9685_LED_ON (0x1000) /* LEDs on word */

Definition at line 83 of file pca9685_regs.h.

◆ PCA9685_LED_ON_H

#define PCA9685_LED_ON_H (0x10) /* LEDs on high byte */

Definition at line 85 of file pca9685_regs.h.

◆ PCA9685_MODE1_AI

#define PCA9685_MODE1_AI (0x20)

Enable register auto-increment.

Definition at line 65 of file pca9685_regs.h.

◆ PCA9685_MODE1_ALLCALL

#define PCA9685_MODE1_ALLCALL (0x01)

Enable I2C all call address.

Definition at line 70 of file pca9685_regs.h.

◆ PCA9685_MODE1_EXTCLK

#define PCA9685_MODE1_EXTCLK (0x40)

Use EXTCLK pin.

Definition at line 64 of file pca9685_regs.h.

◆ PCA9685_MODE1_RESTART

#define PCA9685_MODE1_RESTART (0x80)

State of restart logic, write 1 to clear.

Definition at line 63 of file pca9685_regs.h.

◆ PCA9685_MODE1_SLEEP

#define PCA9685_MODE1_SLEEP (0x10)

Enter low power mode, PWM is off.

Definition at line 66 of file pca9685_regs.h.

◆ PCA9685_MODE1_SUB1

#define PCA9685_MODE1_SUB1 (0x08)

Enable I2C subaddress 1.

Definition at line 67 of file pca9685_regs.h.

◆ PCA9685_MODE1_SUB2

#define PCA9685_MODE1_SUB2 (0x04)

Enable I2C subaddress 2.

Definition at line 68 of file pca9685_regs.h.

◆ PCA9685_MODE1_SUB3

#define PCA9685_MODE1_SUB3 (0x02)

Enable I2C subaddress 3.

Definition at line 69 of file pca9685_regs.h.

◆ PCA9685_MODE2_INVERT

#define PCA9685_MODE2_INVERT (0x10)

Invert outputs.

Definition at line 73 of file pca9685_regs.h.

◆ PCA9685_MODE2_OCH

#define PCA9685_MODE2_OCH (0x08)

Output change change configuration.

Definition at line 74 of file pca9685_regs.h.

◆ PCA9685_MODE2_OUTDRV

#define PCA9685_MODE2_OUTDRV (0x04)

Output driver configuration.

Definition at line 75 of file pca9685_regs.h.

◆ PCA9685_MODE2_OUTNE

#define PCA9685_MODE2_OUTNE (0x03)

Output enabled configuration.

Definition at line 76 of file pca9685_regs.h.

◆ PCA9685_REG_ALL_LED_OFF

#define PCA9685_REG_ALL_LED_OFF (0xfc)

Load all LEDn_OFF register word.

Definition at line 43 of file pca9685_regs.h.

◆ PCA9685_REG_ALL_LED_OFF_H

#define PCA9685_REG_ALL_LED_OFF_H (0xfd)

Load all LEDn_OFF register high byte.

Definition at line 40 of file pca9685_regs.h.

◆ PCA9685_REG_ALL_LED_OFF_L

#define PCA9685_REG_ALL_LED_OFF_L (0xfc)

Load all LEDn_OFF register low byte.

Definition at line 39 of file pca9685_regs.h.

◆ PCA9685_REG_ALL_LED_ON

#define PCA9685_REG_ALL_LED_ON (0xfa)

Load all LEDn_OFF register word.

Definition at line 42 of file pca9685_regs.h.

◆ PCA9685_REG_ALL_LED_ON_H

#define PCA9685_REG_ALL_LED_ON_H (0xfb)

Load all LEDn_OFF register high byte.

Definition at line 38 of file pca9685_regs.h.

◆ PCA9685_REG_ALL_LED_ON_L

#define PCA9685_REG_ALL_LED_ON_L (0xfa)

Load all LEDn_OFF register low byte.

Definition at line 37 of file pca9685_regs.h.

◆ PCA9685_REG_ALLCALLADDR

#define PCA9685_REG_ALLCALLADDR (0x05)

LED All Call I 2 C-bus address.

Definition at line 34 of file pca9685_regs.h.

◆ PCA9685_REG_LED0_ON_L

#define PCA9685_REG_LED0_ON_L (0x06)

LED0 ON control low byte.

Definition at line 35 of file pca9685_regs.h.

◆ PCA9685_REG_LED_OFF

#define PCA9685_REG_LED_OFF ( n ) (0x08 + (n << 2))

LEDn OFF control word.

Definition at line 49 of file pca9685_regs.h.

◆ PCA9685_REG_LED_OFF_H

#define PCA9685_REG_LED_OFF_H ( n ) (0x09 + (n << 2))

LEDn OFF control high byte.

Definition at line 54 of file pca9685_regs.h.

◆ PCA9685_REG_LED_OFF_L

#define PCA9685_REG_LED_OFF_L ( n ) (0x08 + (n << 2))

LEDn OFF control low byte.

Definition at line 53 of file pca9685_regs.h.

◆ PCA9685_REG_LED_ON

#define PCA9685_REG_LED_ON ( n ) (0x06 + (n << 2))

LEDn ON control word.

Definition at line 48 of file pca9685_regs.h.

◆ PCA9685_REG_LED_ON_H

#define PCA9685_REG_LED_ON_H ( n ) (0x07 + (n << 2))

LEDn ON control high byte.

Definition at line 52 of file pca9685_regs.h.

◆ PCA9685_REG_LED_ON_L

#define PCA9685_REG_LED_ON_L ( n ) (0x06 + (n << 2))

LEDn ON control low byte.

Definition at line 51 of file pca9685_regs.h.

◆ PCA9685_REG_MODE1

#define PCA9685_REG_MODE1 (0x00)

Mode1 register.

Definition at line 29 of file pca9685_regs.h.

◆ PCA9685_REG_MODE2

#define PCA9685_REG_MODE2 (0x01)

Mode2 register.

Definition at line 30 of file pca9685_regs.h.

◆ PCA9685_REG_PRE_SCALE

#define PCA9685_REG_PRE_SCALE (0xfe)

Prescaler for PWM output frequency.

Definition at line 45 of file pca9685_regs.h.

◆ PCA9685_REG_SUBADR1

#define PCA9685_REG_SUBADR1 (0x02)

I2C bus subaddress 1 register.

Definition at line 31 of file pca9685_regs.h.

◆ PCA9685_REG_SUBADR2

#define PCA9685_REG_SUBADR2 (0x03)

I2C bus subaddress 2 register.

Definition at line 32 of file pca9685_regs.h.

◆ PCA9685_REG_SUBADR3

#define PCA9685_REG_SUBADR3 (0x04)

I2C bus subaddress 3 register.

Definition at line 33 of file pca9685_regs.h.

◆ PCA9685_REG_TEST_MODE

#define PCA9685_REG_TEST_MODE (0xff)

Enter test mode register.

Definition at line 46 of file pca9685_regs.h.