PSoC® Creator™ Component Datasheet 8-Bit Waveform Generator (WaveDAC8) 2.10 Features Supports standard and arbitrary waveform generation Arbitrary waveform may be drawn manually or imported from file Output may be voltage or current, sink or source Voltage output can be buffered or direct from DAC Hardware selection between two waveforms Waveforms may be up to 4000 points Predefined sine, triangle, square, and sawtooth waveforms General Description The WaveDAC8 component provides a simple and fast solution for automatic periodic waveform generation. A high-level interface allows you to select a predefined waveform or a custom arbitrary waveform. Two separate waveforms can be defined then selected with an external pin to create a modulated output. The input clock can also be used to change the sample rate or modulate the output. When to use a WaveDAC8 Use the WaveDAC8 anytime a periodic waveform needs to be generated. Input/Output Connections This section describes the various input and output connections for the WaveDAC8. An asterisk (*) in the list of I/Os indicates that the I/O may be hidden on the symbol under the conditions listed in the description of that I/O. Wave – analog output (the terminal label is hidden) The Wave terminal is connected directly to the DAC’s output, except when the buffered range is chosen, then the WaveDAC’s output is buffered. It may be routed to any analog compatible pin on the PSoC. Cypress Semiconductor Corporation • 198 Champion Court • San Jose, CA 95134-1709 • 408-943-2600 Document Number: 002-10431 Rev. ** Revised February 2, 2016 8-Bit Waveform Generator (WaveDAC8) PSoC® Creator™ Component Datasheet ws – Input The Wave Select (ws) input selects which waveform will be generated. It can be used to switch quickly between two waveforms to generate an FSK signal. clock – Input* The clock input allows you to use an alternate clock source. When internal clock is selected, this input is not visible. wc1 – Output The Wave Complete 1 (wc1) signal goes high for two bus clocks at the end of waveform 1. wc2 – Output The Wave Complete 2 (wc2) signal goes high for two bus clocks at the end of waveform 2. Parameters and Setup Drag a WaveDAC8 component onto your design and double-click it to open the Configure dialog. The WaveDAC8 component provides the following parameters. Page 2 of 19 Document Number: 002-10431 Rev. ** PSoC® Creator™ Component Datasheet 8-Bit Waveform Generator (WaveDAC8) Range Selection This parameter selects the output mode and range of the internal DAC. Range Mode Ouput Step Size VDAC 0 – 1.020 V Voltage 0 to 1.020 Volts 4 mV VDAC 0 – 1.020 V (Buffered) Voltage 0 to 1.020 Volts 4 mV VDAC 0 – 4.080 V Voltage 0 to 4.080 volts 16 mV VDAC 0 – 4.080 V (Buffered) Voltage 0 to 4.080 volts 16 mV ISink 0 – 2.040 mA Current Sink 0 to 2.040 mA 8 uA ISink 0 – 255 uA Current Sink 0 to 255 uA 1 uA ISink 0 – 32 uA Current Sink 0 to 32 uA 0.125 uA ISource 0 – 2.040 mA Current Source 0 to 2.040 mA 8 uA ISource 0 – 255 uA Current Source 0 to 255 uA 1 uA ISource 0 – 32 uA Current Source 0 to 32 uA 0.125 uA Timing Clock Source (Internal / External ) Use this parameter to select whether the clock source is internal or external. When an internal clock is selected, the clock pin will not be visible. Sample Rate (kSPS) Use this parameter to select the sampling frequency rate in kSPS. The maximum sample rate is 6 MSPS for Current Mode, 1 MSPS for Voltage Mode 1 V ranges, and 250 kSPS for Voltage Mode 4 V ranges. The Waveform Period and Frequency can be calculated as follows: Waveform _ Period Samples SampleRate , Waveform _ Frequency SampleRate Samples Note The WaveDAC8 component uses DMA to transfer data from a lookup table in Flash memory to the DAC. The DMA channel in the WaveDAC8 shares the bus with other DMA channels and the CPU. Each sample requires at least 10 bus clock cycles to transfer the data from Flash to the DAC. Make sure that the bus clock is at least 10 or more times faster than the WaveDAC8 sample rate. The bus clock can be set in the Clocks tab of the Design-Wide Resources (DWR) (<project>.cydwr) file in PSoC Creator. For sample rates greater than 4 Msps, it is recommended to copy the waveform data into SRAM, and use the WaveDAC8_Wave1Setup() or WaveDAC8_Wave2Setup() API to configure the Document Number: 002-10431 Rev. ** Page 3 of 19 8-Bit Waveform Generator (WaveDAC8) PSoC® Creator™ Component Datasheet WaveDAC8 to use a SRAM-based lookup table. This will eliminate any wait state delay incurred by reading Flash. If using multiple WaveDAC8s in a single design, make sure that the sum of all sample rates of all the WaveDAC8s is at least 10 to 15 times the bus frequency. Also, evaluate any other DMA channels and take into account their utilization as well. Actual Rate (kSPS) This read-only field displays the actual calculated sample frequency rate. This may vary from the requested sample rate depending on the ability to create the clock based on the integer division of a higher frequency clock in the system. Waveform 1 & 2 Both waveforms have identical parameters: Wave Type This parameter selects one of six waveforms, four are fixed and two allow the user to provide a custom waveform: Sine Square Triangle Sawtooth Arbitrary (Draw) Arbitrary (From File) Note The format of the wave source file is .csv (comma separated values). This is a simple text file that contains integer values that range from 0 to 255, separated by commas. For example: “0,1,2, … ,254,255”. The data is loaded from the file by the component when you click “open” *.csv file. It is not reloaded on clean/build project, etc. Amplitude This parameter defines the peak-to-peak amplitude for the non-arbitrary waveforms. Offset This parameter defines the offset of the middle for the non-arbitrary waveforms relative to zero level (0V or 0mA). Page 4 of 19 Document Number: 002-10431 Rev. ** PSoC® Creator™ Component Datasheet 8-Bit Waveform Generator (WaveDAC8) Phase This parameter defines the phase shift (in degrees) of the waveform relative to the generation start point. Samples This parameter defines the number of waveform data samples. Resources The WaveDAC8 uses one viDAC8 block, digital demux, DFF trigger, two DMA channels, and an optional clock and/or opamp: Resource Type UDB Macrocells DMA Channels VIDAC Fixed Blocks Opamp Fixed Blocks Digital Clock Dividers Internal clock, VDAC mode not buffered 3 2 1 0 1 Internal clock, VDAC mode buffered 3 2 1 1 1 Internal clock, IDAC mode 3 2 1 0 1 External clock, VDAC mode not buffered 3 2 1 0 0 External clock, VDAC mode buffered 3 2 1 1 0 External clock, IDAC mode 3 2 1 0 0 Configuration The Flash/RAM usage is: PSoC 3 (Keil_PK51) Configuration PSoC 5LP (GCC) Flash Bytes SRAM Bytes Flash Bytes SRAM Bytes Internal clock, VDAC not buffered 851 11 850 10 Internal clock, VDAC buffered 902 12 932 10 Internal clock, IDAC 884 11 914 10 External clock, VDAC not buffered 815 11 794 10 External clock, VDAC buffered 866 12 876 10 External clock, IDAC 848 11 858 10 The listed flash sizes do not include waveform data arrays (2*100 bytes by default). Document Number: 002-10431 Rev. ** Page 5 of 19 PSoC® Creator™ Component Datasheet 8-Bit Waveform Generator (WaveDAC8) Application Programming Interface Application Programming Interface (API) routines allow you to configure the component using software. The following table lists and describes the interface to each function. The subsequent sections cover each function in more detail. By default, PSoC Creator assigns the instance name "WaveDAC8_1" to the first instance of a component in a given design. You can rename the instance to any unique value that follows the syntactic rules for identifiers. The instance name becomes the prefix of every global function name, variable, and constant symbol. For readability, the instance name used in the following table is "WaveDAC8". Functions Function Description void WaveDAC8_Start(void) Starts the DAC and DMA channels. void WaveDAC8_Stop(void) Disables DAC and DMA channels. void WaveDAC8_Init(void) Initializes or restores the component according to the customizer Configure dialog settings. void WaveDAC8_Enable(void) Activates the hardware and begins component operation. void WaveDAC8_Wave1Setup(uint8 * wavePtr, uint16 sampleSize) Sets the array and size of array used for waveform generation for waveform 1. void WaveDAC8_Wave2Setup(uint8 * wavePtr, uint16 sampleSize) Sets the array and size of array used for waveform generation for waveform 2. void WaveDAC8_StartEx(uint8 * wavePtr1, uint16 sampleSize1, uint8 * wavePtr2, uint16 sampleSize2) Sets the arrays and sizes of arrays used for waveform generation for both waveforms and starts the DAC and DMA channels. void WaveDAC8_SetSpeed(uint8 speed) Set drive mode / speed of the DAC. void WaveDAC8_SetRange(uint8 range) Set current or voltage range. void WaveDAC8_SetValue(uint8 value) Set 8-bit DAC value. void WaveDAC8_DacTrim(void) Set the trim value for the given range. void WaveDAC8_Sleep(void) Stops and saves the user configuration. void WaveDAC8_Wakeup(void) Restores and enables the user configuration. void WaveDAC8_SaveConfig(void) This function saves the component configuration. This function will also save the current component parameter values, as defined in the Configure dialog or as modified by appropriate APIs. This function is called by the WaveDAC8_Sleep() function. void WaveDAC8_RestoreConfig(void) This function restores the component configuration. This function will also restore the component parameter values to what they were before calling the WaveDAC8_Sleep() function. Page 6 of 19 Document Number: 002-10431 Rev. ** PSoC® Creator™ Component Datasheet 8-Bit Waveform Generator (WaveDAC8) void WaveDAC8_Start(void) Description: Performs all of the required initialization for the component and enables power to the block. The first time the routine is executed, the range, polarity (if any), and power (speed) settings are configured for the operating mode selected in the design. When called to restart the WaveDAC8 following a WaveDAC8_Stop() call, the current component parameter settings are retained. When the external clock is used – this function should be called before the clock is started to cause correct waveform generation. Otherwise the first sample may be undefined. Parameters: None Return Value: None Side Effects: None void WaveDAC8_Stop(void) Description: Turn off the WaveDAC8 block. Parameters: None Return Value: None Side Effects: Does not affect WaveDAC8 type or power settings void WaveDAC8_Wave1Setup(uint8 *WavePtr, uint16 SampleSize) Description: Selects a new waveform array for the waveform 1 output. The WaveDAC8_Stop function should be called prior to calling this function and WaveDAC8_Start should be called to restart waveform. Parameters: uint8 *WavePtr: Pointer to array containing waveform data uint16 SampleSize: Size of waveform array pointed to by WavePtr. (Maximum sample size is 4000, minimum is 4) Return Value: None Side Effects: Does not affect WaveDAC8 type or power settings Document Number: 002-10431 Rev. ** Page 7 of 19 8-Bit Waveform Generator (WaveDAC8) PSoC® Creator™ Component Datasheet void WaveDAC8_Wave2Setup(uint8 *WavePtr, uint16 SampleSize) Description: Select a new waveform array for the waveform 2 output. The WaveDAC8_Stop function should be called prior to calling this function and WaveDAC8_Start should be called to restart waveform. Parameters: uint8 * WavePtr: Pointer to array containing waveform data uint16 SampleSize: Size of waveform array pointed to by WavePtr. (Maximum sample size is 4000, minimum is 4) Return Value: None Side Effects: Does not affect WaveDAC8 type or power settings void WaveDAC8_StartEx(uint8 *WavePtr1, uint16 SampleSize1, uint8 *WavePtr2, uint16 SampleSize2) Description: Select new waveform arrays for both waveform outputs and starts the WaveDAC8. The WaveDAC8_Stop function should be called prior to calling this function. Parameters: uint8 *WavePtr1: Pointer to array containing waveform1 data uint16 SampleSize1: Size of waveform1 array pointed to by WavePtr1. (Maximum sample size is 4000, minimum is 4) uint8 * WavePtr2: Pointer to array containing waveform2 data uint16 SampleSize2: Size of waveform2 array pointed to by WavePtr2. (Maximum sample size is 4000, minimum is 4) Return Value: None Side Effects: Does not affect WaveDAC8 type or power settings void WaveDAC8_Init(void) Description: Initializes or restores the component according to the customizer Configure dialog settings. It is not necessary to call WaveDAC8_Init() because the WaveDAC8_Start() API calls this function and is the preferred method to begin component operation. Parameters: None Return Value: None Side Effects: All registers will be set to values according to the customizer Configure dialog. Page 8 of 19 Document Number: 002-10431 Rev. ** PSoC® Creator™ Component Datasheet 8-Bit Waveform Generator (WaveDAC8) void WaveDAC8_Enable(void) Description: Activates the hardware and begins component operation. It is not necessary to call WaveDAC8_Enable() because the WaveDAC8_Start() API calls this function, which is the preferred method to begin component operation. Parameters: None Return Value: None Side Effects: None void WaveDAC8_SetSpeed(uint8 speed) Description: Sets the drive mode / speed to one of the settings. Parameters: uint8 speed: See the following table for valid speed settings. Power Setting Notes WaveDAC8_LOWSPEED Lowest active power and slowest slew rate. WaveDAC8_HIGHSPEED Highest power and fastest slew rate. Return Value: None Side Effects: None Document Number: 002-10431 Rev. ** Page 9 of 19 PSoC® Creator™ Component Datasheet 8-Bit Waveform Generator (WaveDAC8) void WaveDAC8_SetRange (uint8 range) Description: Sets the DAC range to one of the settings. Parameters: uint8 range: For VDAC mode: Range Setting Notes WaveDAC8_VDAC8_RANGE_1V 1.02V WaveDAC8_VDAC8_RANGE_4V 4.08V For IDAC mode: Range Setting Notes WaveDAC8_IDAC8_RANGE_32uA 32 uA. WaveDAC8_IDAC8_RANGE_255uA 255 uA. WaveDAC8_IDAC8_RANGE_2mA 2.04 mA Return Value: None Side Effects: The range value defines are applicable only for their DAC modes, e.g. if you try to use WaveDAC8_IDAC8_RANGE_32uA in VDAC mode, then a compilation error will be generated. void WaveDAC8_SetValue (uint8 value) Description: Sets the output of the DAC to the desired value. It is preferable to use this function when the clock is stopped. If this function is used during normal operation (clock is running), the predefined waveform may be interrupted. Parameters: uint8 value: 8-bit DAC value from 0 to 255. Return Value: None Side Effects: None void WaveDAC8_DacTrim(void) Description: Sets the proper predefined trim calibration value for the present DAC mode and range. Parameters: None Return Value: None Side Effects: None Page 10 of 19 Document Number: 002-10431 Rev. ** PSoC® Creator™ Component Datasheet 8-Bit Waveform Generator (WaveDAC8) void WaveDAC8_Sleep(void) Description: This is the preferred API to prepare the component for sleep. The WaveDAC8_Sleep() API saves the current component state. Then it calls the WaveDAC8_Stop() function and calls WaveDAC8_SaveConfig() to save the hardware configuration. Call the WaveDAC8_Sleep() function before calling the CyPmSleep() or the CyPmHibernate() function. Refer to the PSoC Creator System Reference Guide for more information about power management functions. Parameters: None Return Value: None Side Effects: None void WaveDAC8_Wakeup(void) Description: This is the preferred API to restore the component to the state when WaveDAC8_Sleep() was called. The WaveDAC8_Wakeup() function calls the WaveDAC8_RestoreConfig() function to restore the configuration. If the component was enabled before the WaveDAC8_Sleep() function was called, the WaveDAC8_Wakeup() function will also reenable the component. Parameters: None Return Value: None Side Effects: Calling the WaveDAC8_Wakeup() function without first calling the WaveDAC8_Sleep() or WaveDAC8_SaveConfig() function may produce unexpected behavior. void WaveDAC8_SaveConfig(void) Description: This function saves the component configuration. This function will also save the current component parameter values, as defined in the Configure dialog or as modified by appropriate APIs. This function is called by the WaveDAC8_Sleep() function. Parameters: None Return Value: None Side Effects: None void WaveDAC8_RestoreConfig(void) Description: This function restores the component configuration. This function will also restore the component parameter values to what they were before calling the WaveDAC8_Sleep() function. Parameters: None Return Value: None Side Effects: None Document Number: 002-10431 Rev. ** Page 11 of 19 8-Bit Waveform Generator (WaveDAC8) PSoC® Creator™ Component Datasheet Global Variables Function uint8 WaveDAC8_initVar Description The initVar variable is used to indicate initial configuration of this component. This variable is prepended with the component name. The variable is initialized to zero and set to 1 the first time WaveDAC8_Start() is called. This allows for component initialization without reinitialization in all subsequent calls to the WaveDAC8_Start() routine. If reinitialization is required, then the WaveDAC8_Init() function can be called before the WaveDAC8_Start() or WaveDAC8_Enable() function. Sample Firmware Source Code PSoC Creator provides numerous example projects that include schematics and example code in the Find Example Project dialog. For component-specific examples, open the dialog from the Component Catalog or an instance of the component in a schematic. For general examples, open the dialog from the Start Page or File menu. As needed, use the Filter Options in the dialog to narrow the list of projects available to select. Refer to the "Find Example Project" topic in the PSoC Creator Help for more information. MISRA Compliance This section describes the MISRA-C:2004 compliance and deviations for the component. There are two types of deviations defined: project deviations – deviations that are applicable for all PSoC Creator components specific deviations – deviations that are applicable only for this component This section provides information on component-specific deviations. Project deviations are described in the MISRA Compliance section of the System Reference Guide along with information on the MISRA compliance verification environment. The WaveDAC8 component does not have any specific deviations. Functional Description The core of WaveDAC8 is the DAC. It will either be a standard VDAC8 (voltage DAC) or IDAC8 (Current DAC) depending on the range selected. The two DMA channels Wave1_DMA and Wave2_DMA are used to transfer the waveform array data in memory to either the IDAC or VDAC. When the user configures a waveform with the user interface, the component automatically configures each of the DMA channels to transfer the data. Both of these DMA channels transfer data to the DAC, but only one can operate at a time. The wave select “ws” input selects which of these DMA channels is triggered by the clock, using the demultiplexer Page 12 of 19 Document Number: 002-10431 Rev. ** PSoC® Creator™ Component Datasheet 8-Bit Waveform Generator (WaveDAC8) “DMA Select” to route the signal to the corresponding DMA channel. The two wave complete outputs “wc1” and “wc2” can be used to signal that the DMA channel has transferred the last value from the waveform table, or that one full waveform period has been completed. Block Diagram and Configuration System Memory WaveDAC8 Data Flow Diagram Output DAC viDAC8 Waveform 1 Wave Out DAC Waveform 2 Wave Select The optional output buffer eliminates the load influence on the output voltage in VDAC mode. DC and AC Electrical Characteristics DC Characteristics (VDAC Mode) for CY8C38 Family Parameter Description Conditions Resolution Vout Min Typ Max Units - - 8 bits Output voltage range, code = 255 1 V scale - 1.02 - Volt 4 V scale, Vdda = 5 V - 4.08 - Volt INL Integral non linearity 1 V scale - ±2.1 ±2.5 LSB DNL Differential non linearity CL=15 pF - ±0.3 ±1 LSB Rout Output resistance 1 V scale - 4 - kΩ (for non-buffered ranges) 4 V scale - 16 - kΩ - - Yes - Monotonicity Document Number: 002-10431 Rev. ** Page 13 of 19 PSoC® Creator™ Component Datasheet 8-Bit Waveform Generator (WaveDAC8) Parameter Description Min Typ Max Units - 0 ±0.9 LSB 1 V scale - - ±2.5 % 4 V scale - - ±2.5 % Temperature coefficient, gain error 1 V scale - - 0.03 %FSR / °C 4 V scale - - 0.03 %FSR / °C Operating current Low speed mode - - 100 μA High speed mode - - 500 μA Vos Zero scale error Eg Gain error TC_Eg Idd Conditions DC Characteristics (IDAC Mode) for CY8C38 Family Parameter Description Conditions Min Typ Resolution Iout Output current Range = 2mA, code = 255, Max Units 8 bits - 2.04 - mA Range = 2mA, high speed mode, code = 255, VDDA ≤2.7 V, Rload = 300 Ω - 2.04 - mA Range = 255 µA, code = 255, Rload = 600 Ω - 255 - μA VDDA ≥2.7 V, Rload = 600 Ω Range = 32 µA, code = 255, Rload = 600 Ω Monotonicity INL Integral non linearity Yes Sink mode, range = 255 µA, Codes 8 – 255, Rload = 2.4 kΩ, Cload = 15 pF - ±0.9 ±1 LSB ±1.2 ±1.6 LSB ±0.3 ±1 LSB ±0.3 ±1 LSB - 0 ±1 LSB Range = 2 mA, 25 °C - - ±2.5 % Range = 255 µA, 25 ° C - - ±2.5 % Range = 32 µA, 25 ° C - - ±3.5 % Source mode, range = 255 µA, Codes 8 – 255, Rload = 2.4 kΩ, Cload = 15 pF DNL Differential non linearity Sink mode, range = 255 µA, Rload = 2.4 kΩ, Cload = 15 pF - Source mode, range = 255 µA, Rload = 2.4 kΩ, Cload = 15 pF Ezs Zero scale error Eg Gain error Page 14 of 19 μA 31.875 Document Number: 002-10431 Rev. ** PSoC® Creator™ Component Datasheet 8-Bit Waveform Generator (WaveDAC8) Parameter Description Conditions TC_Eg Temperature coefficient of gain error Min Typ Max Units Range = 2 mA 0.04 % / °C Range = 255 µA 0.04 % / °C Range = 32 µA 0.05 % / °C Vcompliance Dropout voltage, source or sink mode Voltage headroom at max current, Rload to VDDAor Rload to VSSA, Vdiff from VDDA 1 - - V IDD Low speed mode, source mode, range = 32 µA - 44 100 μA Low speed mode, source mode, range = 255 µA, 33 100 μA Low speed mode, source mode, range = 2 mA 33 100 μA Low speed mode, sink mode, range = 32 µA 36 100 μA Low speed mode, sink mode, range = 255 µA 33 100 μA Low speed mode, sink mode, range = 2 mA 33 100 μA High speed mode, source mode, range = 32 µA 310 500 μA High speed mode, source mode, range = 255 µA 305 500 μA High speed mode, source mode, range = 2 mA 305 500 μA High speed mode, sink mode, range = 32 µA 310 500 μA High speed mode, sink mode, range = 255 µA 300 500 μA High speed mode, sink mode, range = 2 mA 300 500 μA Operating current, code = 0 DC Characteristics (VDAC Mode) for CY8C58LP family Parameter Description Conditions Min Typ Max Units - 8 - bits 1 V scale - 1.02 - Volt 4 V scale, Vdda = 5 V - 4.08 - Volt Resolution Vout Output voltage range, code = 255 Document Number: 002-10431 Rev. ** Page 15 of 19 PSoC® Creator™ Component Datasheet 8-Bit Waveform Generator (WaveDAC8) Parameter Description Conditions Min Typ Max Units INL Integral non linearity 1 V scale - ±2.1 ±2.5 LSB 4 V scale - ±2.1 ±2.5 LSB 1 V scale - ±0.3 ±1 LSB 4 V scale - ±0.3 ±1 LSB 1 V scale - 4 - kΩ 4 V scale - 16 - kΩ Monotonicity - - Yes - Vos Zero scale error - 0 ±0.9 LSB Eg Gain error 1 V scale - - ±2.5 % 4 V scale - - ±2.5 % Temperature coefficient, gain error 1 V scale - - 0.03 %FSR / °C 4 V scale - - 0.03 %FSR / °C Low speed mode - - 100 μA High speed mode - - 500 μA DNL Rout TC_Eg Idd Differential non linearity Output resistance Operating current DC Characteristics (IDAC Mode) for CY8C58LP family Parameter Description Conditions Min Typ Resolution Iout Output current Page 16 of 19 8 bits - 2.04 - mA Range = 2mA, high speed mode, code = 255, VDDA ≤2.7 V, Rload = 300 Ω - 2.04 - mA Range = 255 µA, code = 255, Rload = 600 Ω - 255 - μA μA 31.87 5 Monotonicity Integral non linearity Units Range = 2mA, code = 255, VDDA ≥2.7 V, Rload = 600 Ω Range = 32 µA, code = 255, Rload = 600 Ω INL Max Yes Sink mode, range = 255 µA, Codes 8 – 255, Rload = 2.4 kΩ, Cload = 15 pF - ±0.9 ±1 LSB Source mode, range = 255 µA, Codes 8 – 255, Rload = 2.4 kΩ, Cload = 15 pF - ±1.2 ±1.6 LSB Document Number: 002-10431 Rev. ** PSoC® Creator™ Component Datasheet Parameter DNL Description Differential non linearity Ezs Zero scale error Eg Gain error TC_Eg Temperature coefficient of gain error Vcompliance Dropout voltage, source or sink mode Document Number: 002-10431 Rev. ** 8-Bit Waveform Generator (WaveDAC8) Conditions Min Typ Max Units Source mode, range = 32µA, Codes 8 - 255, Rload = 20 kΩ, Cload = 15 pF - ±0.9 ±2 LSB Sink mode, range = 32µA, Codes 8 - 255, Rload = 20 kΩ, Cload = 15 pF - ±0.9 ±2 LSB Source mode, range = 2mA, Codes 8 - 255, Rload = 600 Ω, Cload = 15 pF - ±0.9 ±2 LSB Sink mode, range = 2mA, Codes 8 - 255, Rload = 600 Ω, Cload = 15 pF - ±0.6 ±1 LSB Sink mode, range = 255 µA, Rload = 2.4 kΩ, Cload = 15 pF - ±0.3 ±1 LSB Source mode, range = 255 µA, Rload = 2.4 kΩ, Cload = 15 pF - ±0.3 ±1 LSB Source mode, range = 31.875 µA, Rload = 20 kΩ, Cload = 15 pF - ±0.2 ±1 LSB Sink mode, range = 31.875 µA, Rload = 20 kΩ, Cload = 15 pF - ±0.2 ±1 LSB Source mode, range = 2.0 4 mA, Rload = 600 Ω, Cload = 15 pF - ±0.2 ±1 LSB Sink mode, range = 2.0 4 mA, Rload = 600 Ω, Cload = 15 pF - ±0.2 ±1 LSB - 0 ±1 LSB Range = 2 mA, 25 °C - - ±2.5 % Range = 255 µA, 25 ° C - - ±2.5 % Range = 32 µA, 25 ° C - - ±3.5 % Range = 2 mA 0.045 %/ °C Range = 255 µA 0.045 %/ °C Range = 32 µA 0.05 %/ °C - V Voltage headroom at max current, Rload to Vdda or Rload to Vssa, Vdiff from Vdda 1 - Page 17 of 19 PSoC® Creator™ Component Datasheet 8-Bit Waveform Generator (WaveDAC8) Parameter Description Conditions Min Typ Max Units IDD Operating current, code = 0 Slow mode, source mode, range = 32 µA - 44 100 μA Slow mode, source mode, range = 255 µA, 33 100 μA Slow mode, source mode, range = 2 mA 33 100 μA Slow mode, sink mode, range = 32 µA 36 100 μA Slow mode, sink mode, range = 255 µA 33 100 μA Slow mode, sink mode, range = 2 mA 33 100 μA Fast mode, source mode, range = 32 µA 310 500 μA Fast mode, source mode, range = 255 µA 305 500 μA Fast mode, source mode, range = 2 mA 305 500 μA Fast mode, sink mode, range = 32 µA 310 500 μA Fast mode, sink mode, range = 255 µA 300 500 μA Fast mode, sink mode, range = 2 mA 300 500 μA AC Characteristics (VDAC Mode) for both CY8C38 and CY8C58LP families Parameter Fdac TsettleP TsettleN Page 18 of 19 Description Conditions Min Typ Max Units Update rate 1V mode - - 1 Msps Update rate 4V mode - - 250 Ksps Settling time to 0.1%, step 25% to 75% 1 V scale, Cload = 15 pF - 0.45 1 µs 4 V scale, Cload = 15 pF - 0.8 3.2 µs Settling time to 0.1%, step 75% to 25% 1 V scale, Cload = 15 pF - 0.45 1 µs 4 V scale, Cload = 15 pF - 0.7 3 µs Voltage noise Range = 1 V, High speed mode, VDDA= 5 V, 10 kHz 750 - nV/sqrtHz Document Number: 002-10431 Rev. ** PSoC® Creator™ Component Datasheet 8-Bit Waveform Generator (WaveDAC8) AC Characteristics (IDAC Mode) for both CY8C38 and CY8C58LP families Parameter Description Fdac Update rate Tsettle Settling time to 0.5 LSB Current noise Conditions Min Typ Max Units - - 6 Msps Range = 32 µA or 255 µA, full scale transition, High speed mode, 600Ω15-pF load - - 125 ns Range = 255 µA, source mode, High speed mode, VDDA= 5 V, 10 kHz - 340 - pA/sqrtHz Component Changes This section lists the major changes in the component from the previous version. Version 2.10 Description of Changes Reason for Changes / Impact MISRA violation 19.8 is fixed. Undocumented MISRA violation. Added an explanation about the file format for the “Arbitrary (From File)” Wave Type option. Datasheet clarification. 2.0.b Added explanation for possible Sample Rate / DMA issues. Make the datasheet more detailed to improve user experience with the component. 2.0.a Edited datasheet to add Component Errata section. Document that the component was changed, but there is no impact to designs. 2.0 First release of component as part of PSoC Creator. This component was previously made available in the Cypress Community Forums and in Application Note AN69133. © Cypress Semiconductor Corporation, 2016. The information contained herein is subject to change without notice. Cypress Semiconductor Corporation assumes no responsibility for the use of any circuitry other than circuitry embodied in a Cypress product. Nor does it convey or imply any license under patent or other rights. Cypress products are not warranted nor intended to be used for medical, life support, life saving, critical control or safety applications, unless pursuant to an express written agreement with Cypress. Furthermore, Cypress does not authorize its products for use as critical components in life-support systems where a malfunction or failure may reasonably be expected to result in significant injury to the user. The inclusion of Cypress products in lifesupport systems application implies that the manufacturer assumes all risk of such use and in doing so indemnifies Cypress against all charges. PSoC® is a registered trademark, and PSoC Creator™ and Programmable System-on-Chip™ are trademarks of Cypress Semiconductor Corp. All other trademarks or registered trademarks referenced herein are property of the respective corporations. Any Source Code (software and/or firmware) is owned by Cypress Semiconductor Corporation (Cypress) and is protected by and subject to worldwide patent protection (United States and foreign), United States copyright laws and international treaty provisions. Cypress hereby grants to licensee a personal, non-exclusive, non-transferable license to copy, use, modify, create derivative works of, and compile the Cypress Source Code and derivative works for the sole purpose of creating custom software and or firmware in support of licensee product to be used only in conjunction with a Cypress integrated circuit as specified in the applicable agreement. Any reproduction, modification, translation, compilation, or representation of this Source Code except as specified above is prohibited without the express written permission of Cypress. Disclaimer: CYPRESS MAKES NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARD TO THIS MATERIAL, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. Cypress reserves the right to make changes without further notice to the materials described herein. Cypress does not assume any liability arising out of the application or use of any product or circuit described herein. Cypress does not authorize its products for use as critical components in lifesupport systems where a malfunction or failure may reasonably be expected to result in significant injury to the user. The inclusion of Cypress’ product in a life-support systems application implies that the manufacturer assumes all risk of such use and in doing so indemnifies Cypress against all charges. Use may be limited by and subject to the applicable Cypress software license agreement. Document Number: 002-10431 Rev. ** Page 19 of 19