Cirrus-logic CRD5376 User Manual Page 47
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CRD5376
DS612RD2 47
3.5.4 Macros
The Macros sub-panel is designed to write a large number of registers with a single command. This al-
lows the target evaluation system to be quickly set into a specific state for testing.
The Register control gives access to both digital filter registers and SPI1 registers. These registers can
be written with data from the Data control, or data can be read and output to a text window. The Register
control can also select special commands to be executed, with the Data control used to define a param-
eter value for the special command, if necessary.
3.5.5 GPIO
The GPIO sub-panel controls the digital filter GPIO pin configurations. GPIO pins have dedicated func-
tions on the target board, but can be used in any manner for custom designs.
Control Description
Write / Read Selects the type of operation to be performed by the inserted macro command.
Register Selects the target register for the inserted macro command. Also selects special
commands that can be performed.
Data Sets the register data value for the inserted macro command. Also sets the parame-
ter value for special commands.
Clear Clears the currently displayed macro.
Load Loads a previously saved macro.
Save Saves the currently displayed macro. Macros can be saved with unique names or
can be saved as External Macros.
Insert Inserts a macro command at the selected macro line. The macro command is built
from the Write/Read, Register, and Data controls.
Delete Deletes the macro command at the selected macro line.
Macro1 - Macro4 Selects which of the four working macros is displayed.
Run Runs the currently displayed working macro.
Control Description
Direction Sets the selected GPIO pin as an output (*) or input ( ).
Pull Up Turns the pull up resistor for the selected GPIO pin on (*) or off ( ).
Data Sets the selected output GPIO pin to a high (*) or low ( ) level.
Write Initiates a write to GPIO registers.The Direction, Pull Up and Data controls are read
to determine the register values to be written.
Read Initiates a read from GPIO registers.The Direction, Pull Up and Data controls are
updated based on the register values that are read.
- Features 1
- General Description 1
- REVISION HISTORY 2
- TABLE OF CONTENTS 3
- LIST OF FIGURES 4
- LIST OF TABLES 4
- 1. INITIAL SETUP 5
- 1.1 Kit Contents 5
- 1.2 Hardware Setup 5
- 1.2.1 Default Jumper Settings 6
- 1.3 Software Setup 7
- 1.3.1 PC Requirements 7
- 8 DS612RD2 8
- 1.4 Self-Testing CRD5376 9
- 1.4.1 Noise Test 9
- 1.4.2 Distortion Test 10
- 2. HARDWARE DESCRIPTION 11
- 2.1 Block Diagram 11
- 2.2.1.1 External Inputs - INA 12
- 2.2.1.4 Input Protection 12
- 2.2.1.5 Input RC Filters 13
- 2.2.1.7 Analog Test Switches 14
- 2.2.1.6 Common Mode Bias 14
- 2.2.2.3 Anti-alias RC Filters 17
- 2.2.3.2 Offset Enable - OFST 17
- 2.2.4 Delta-Sigma Test DAC 18
- 2.2.5 Voltage Reference 18
- 2.3 Digital Hardware 19
- 2.3.1 Digital Filter 19
- 20 DS612RD2 20
- 2.3.1.1 MCLK vs. MCLK/2 Usage 21
- 22 DS612RD2 22
- CS5376A uController MCLK/2 22
- SDTKI R74 R83 22
- DS612RD2 23 23
- 2.3.2.1 SPI Interface 24
- 2.3.2.2 USB Interface 24
- 2.3.2.3 Reset Source 24
- 2.3.2.4 Clock Source 24
- 2.3.2.5 Timebreak Signal 25
- 2.3.2.6 C2 Debug Interface 25
- 2.3.4 RS-485 Telemetry 26
- 2.3.4.1 CLK, SYNC 27
- 2.3.5 UART Connection 28
- 2.3.6 External Connector 28
- 2.4 Power Supplies 28
- DS612RD2 29 29
- 2.5.2 Differential Pairs 30
- 2.5.3 Bypass Capacitors 31
- 3. SOFTWARE DESCRIPTION 32
- 3.1 Menu Bar 32
- 3.2 About Panel 33
- 3.3 Setup Panel 34
- 3.3.1 USB Port 35
- 3.3.2 Digital Filter 36
- 3.3.3 Analog Front End 37
- 3.3.4 Test Bit Stream 37
- 3.3.5 Gain/Offset 38
- 3.3.6 Data Capture 39
- 3.3.7 External Macros 40
- 3.4 Analysis Panel 41
- 3.4.1 Test Select 42
- 3.4.2 Statistics 43
- 3.4.3 Plot Enable 43
- 44 DS612RD2 44
- 3.5 Control Panel 45
- 3.5.1 DF Registers 46
- 3.5.2 DF Commands 46
- 3.5.3 SPI 46
- 3.5.4 Macros 47
- 3.5.5 GPIO 47
- 3.5.6 Customize 48
- 3.5.7 External Macros 48
- 4. BILL OF MATERIALS 49
- 50 DS612RD2 50
- 5. LAYER PLOTS 51
- 52 DS612RD2 52
- DS612RD2 53 53
- 54 DS612RD2 54
- DS612RD2 55 55
- 56 DS612RD2 56
- 6. SCHEMATICS 57
- 58 DS612RD2 58
- DS612RD2 59 59
- 60 DS612RD2 60
- DS612RD2 61 61
- 62 DS612RD2 62
- DS612RD2 63 63
- 64 DS612RD2 64
- DS612RD2 65 65
- 66 DS612RD2 66
- DS612RD2 67 67
- 68 DS612RD2 68
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