LPC1700CMSIS Standard Peripheral Firmware Library: DAC_Public_Macros

LPC1700CMSIS

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DAC_Public_Macros
[DAC]


Defines

#define DAC_VALUE(n)   ((uint32_t)((n&0x3FF)<<6))
#define DAC_BIAS_EN   ((uint32_t)(1<<16))
#define DAC_CCNT_VALUE(n)   ((uint32_t)(n&0xff))
#define DAC_DBLBUF_ENA   ((uint32_t)(1<<1))
#define DAC_CNT_ENA   ((uint32_t)(1<<2))
#define DAC_DMA_ENA   ((uint32_t)(1<<3))
#define DAC_DACCTRL_MASK   ((uint32_t)(0x0F))
#define PARAM_DACx(n)   (((uint32_t *)n)==((uint32_t *)LPC_DAC))

Define Documentation

#define DAC_BIAS_EN   ((uint32_t)(1<<16))

If this bit = 0: The settling time of the DAC is 1 microsecond max, and the maximum current is 700 microAmpere If this bit = 1: The settling time of the DAC is 2.5 microsecond and the maximum current is 350 microAmpere

Definition at line 97 of file lpc17xx_dac.h.

#define DAC_CCNT_VALUE ( n   )     ((uint32_t)(n&0xff))

Value to reload interrupt DMA counter

Definition at line 99 of file lpc17xx_dac.h.

#define DAC_CNT_ENA   ((uint32_t)(1<<2))

DCAR Time out count enable

Definition at line 104 of file lpc17xx_dac.h.

#define DAC_DACCTRL_MASK   ((uint32_t)(0x0F))

DCAR DACCTRL mask bit

Definition at line 108 of file lpc17xx_dac.h.

#define DAC_DBLBUF_ENA   ((uint32_t)(1<<1))

DCAR double buffering

Definition at line 102 of file lpc17xx_dac.h.

#define DAC_DMA_ENA   ((uint32_t)(1<<3))

DCAR DMA access

Definition at line 106 of file lpc17xx_dac.h.

#define DAC_VALUE ( n   )     ((uint32_t)((n&0x3FF)<<6))

After the selected settling time after this field is written with a new VALUE, the voltage on the AOUT pin (with respect to VSSA) is VALUE/1024 � VREF

Definition at line 92 of file lpc17xx_dac.h.

#define PARAM_DACx ( n   )     (((uint32_t *)n)==((uint32_t *)LPC_DAC))

Macro to determine if it is valid DAC peripheral

Definition at line 111 of file lpc17xx_dac.h.

Generated on Mon Feb 8 10:01:43 2010 for LPC1700CMSIS Standard Peripheral Firmware Library by  doxygen 1.5.9
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