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- Page 1 Static DIO Register-Level Programmer Manual for NI 6509, 651x, 6520, 6521, and 6528 Devices Static DIO Register-Level Programmer Manual November 2005 371580A-01...
- Page 2 For further support information, refer to the Technical Support Resources appendix. To comment on National Instruments documentation, refer to the National Instruments Web site at ni.com/info and enter the info code feedback. © 2005 National Instruments Corporation. All rights reserved.
- Page 3 Warranty The NI 6509, NI 6510, NI 6511, NI 6512, NI 6513, NI 6514, NI 6515, NI 6516, NI 6517, NI 6518, NI 6519, NI 6520, NI 6521, and NI 6528 are warranted against defects in materials and workmanship for a period of one year from the date of shipment, as evidenced by receipts or other documentation.
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Page 4: Table Of Contents
Contents About This Manual How To Use the Manual Set..................viii Conventions ........................viii Chapter 1 Getting to Know Your NI 6509/651x/6520/6521/6528 Device Using Your NI 6509/651x/6520/6521/6528 ..............1-2 PCI Interface....................1-2 General Operation Registers................1-2 Chapter 2 Register Map and Descriptions IO Port Data ........................2-4 IOPort(N )Data ....................2-4... - Page 5 Contents Watchdog Timer Software Timeout Enable ........... 2-20 Watchdog Timer Expire Status ............... 2-21 Watchdog Timer Timeout Interval ..............2-22 RTSI Configuration Registers ..................2-23 RTSI Input Route .................... 2-23 RTSI Pulse when Edge Detected ..............2-24 RTSI Pulse when Watchdog Timer Expires ........... 2-25 RTSI Trigger for Watchdog Timer ..............
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Page 6: About This Manual
NI-DAQ, NI-DAQmx Base software could be used as an alternative. If your OS is also unsupported in NI-DAQmx Base, you would then need to program your device using the Static DIO Register-Level Programmer Manual for NI 6509, 651x, 6520, 6521, and 6528 Devices. -
Page 7: How To Use The Manual Set
About This Manual How To Use the Manual Set The Static DIO Register-Level Programmer Manual for NI 6509, 651x, 6520, 6521, and 6528 Devices is one piece of the documentation set for your data acquisition system. You could have any of several types of manuals, depending on the hardware and software in your system. - Page 8 Text in this font denotes sections of code, programming examples, and monospace syntax examples. This font is also used for the proper names of programs, subprograms, subroutines, device names, functions, operations, variables, filenames and extensions, and code excerpts. © National Instruments Corporation Static DIO Register-Level Programmer Manual...
- Page 9 NI 6509/651x/6520/6521/6528 Device The NI 6509 is a 96-bit, high-drive digital input/output (DIO) device for PCI, PXI, and CompactPCI chassis. The NI 6509 features 96 TTL/CMOS-compatible digital I/O lines, 24 mA high-drive output, and the industrial DIO feature set. For more information on the...
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Page 10: Using Your Ni 6509/651X/6520/6521/6528
PCI Interface The NI 6509/651x/6520/6521/6528 use the PCI MITE Application-Specific Integrated Circuit (ASIC) to communicate with the PCI or PXI bus. National Instruments designed this ASIC specifically for data acquisition. Before register-level programming the NI 6509/651x/6520/6521/6528 device, you must initialize the PCI interface as described in Chapter 3, Programming. - Page 11 Chapter 1 Getting to Know Your NI 6509/651x/6520/6521/6528 Device Table 1-1. NI 6509/651x/6520/6521/6528 Product Port Directions Port Direction Model 10 (xA) 11 (xB) PCI-6509 PXI-6509 PCI-6510 — — — — — — — — PCI-6511 — — — — PXI-6511 —...
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Page 12: Register Map And Descriptions
Register Map and Descriptions Table 2-2 shows the register map for the NI 6509, 651x, 6520, 6521, and 6528 devices. The table gives the register name, the register address offset from the device base address (Base Address Register 1), the size of the register in bits, and the type of register (read-only, write-only, or read and write). - Page 13 Chapter 2 Register Map and Descriptions Table 2-1. NI 6509/651x/6520/6521/6528 Register Address Map—Recurring Port Registers Register Name Short Name Offset (Hex) Type Size IO Port Data IOPort(N)Data 0x40 + 0xN0 Read-write 8-bit IO Select IOSelect(N) 0x41 + 0xN0 Read-write 8-bit...
- Page 14 Chapter 2 Register Map and Descriptions Table 2-3. NI 6509/651x/6520/6521/6528 Register Address Map—Watchdog Timer Registers Offset Register Name (Hex) Type Size Watchdog Timer Software Timeout Enable 0x15 Read-write 8-bit Watchdog Timer Expire Status 0x17 Read 8-bit Watchdog Timer Timeout Interval...
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Page 15: Io Port Data
Chapter 2 Register Map and Descriptions IO Port Data IOPort(N )Data This register is used to read digital data from or write data to port N, where N is the port number in hexidecimal. Ports can range from 0 to 11 (0x0 to 0xB), depending on your device. For each port, Note you must add an additional offset equal to 0x10 time the port number in hex. -
Page 16: Io Select Registers
Write only zeros to these bits. I(1) / O(0) Write a 0 for input or a 1 for output. It is not necessary to set this register if your device only supports fixed direction Note ports. © National Instruments Corporation Static DIO Register-Level Programmer Manual... -
Page 17: Rising Edge Sensitivity Configuration Registers
Chapter 2 Register Map and Descriptions Rising Edge Sensitivity Configuration Registers RiseEdgeEnable(N ) This register enables monitoring of input lines of port N for rising edges, where N is the port number in hexidecimal. Ports can range from 0 to 11 (0x0 to 0xB), depending on your device. For each port, Note you must add an additional offset equal to 0x10 time the port number in hex. -
Page 18: Falling Edge Sensitivity Configuration Registers
Type: Read-write Size: 8-bit Bit Map: FEE(7) FEE(6) FEE(5) FEE(4) FEE(3) FEE(2) FEE(1) FEE(0) Name Description 7–0 FEE(<7..0>) Write a 1 to a bit to enable monitoring for the corresponding line. © National Instruments Corporation Static DIO Register-Level Programmer Manual... -
Page 19: Filter Enable Registers
Chapter 2 Register Map and Descriptions Filter Enable Registers FilterEnable(N ) This register enables filtering of input lines of port N, where N is the port number in hexidecimal. In FilterEnable(N) registers, all lines of all ports share the same interval. Ports can range from 0 to 11 (0x0 to 0xB), depending on your device. -
Page 20: Watchdog Timers High-Impedance Registers
Write a 0 to this register to make the port output high/low values on a per line basis. The watchdog timer must be enabled for either option to activate. © National Instruments Corporation Static DIO Register-Level Programmer Manual... -
Page 21: Watchdog Timer Enable Registers
Chapter 2 Register Map and Descriptions Watchdog Timer Enable Registers WatchdogEnable(N ) This register enables port N to go to configured expiration states when the watchdog timer (WDT) expires, where N is the port number in hexidecimal. WatchdogEnable(N) is only valid for fixed output or bidirectional ports. -
Page 22: Watchdog Timer High Or Low Registers
Name Description 7–0 wdtHL(<7..0>) WatchdogHighImp(N) must be 0 to enable this option. Write a 1 to output high on line i. Write a 0 to output low on line i. © National Instruments Corporation 2-11 Static DIO Register-Level Programmer Manual... -
Page 23: Rtsi Enable Registers
Chapter 2 Register Map and Descriptions RTSI Enable Registers RTSI_En(N ) This register enables RTSI for port N, where N is the port number in hexidecimal. Ports can range from 0 to 11 (0x0 to 0xB), depending on your device. For each port, Note you must add an additional offset equal to 0x10 time the port number in hex. -
Page 24: Non-Recurring Registers
ID(3) ID(2) ID(1) ID(0) Name Description 7–0 ID(<7..0>) Contains the ID of your device in hexidecimal. Usually corresponds to the last two digits of the model name of your device. © National Instruments Corporation 2-13 Static DIO Register-Level Programmer Manual... -
Page 25: Clear Register
Chapter 2 Register Map and Descriptions Clear Register Write to individual bit of this register to clear certain functionality in the board. Address Offset: 0x01 Type: Write strobe Size: 8-bit Bit Map: Reserved ClrWDT+ RstWDT ClrWDTExp ClrEdge ClrOvrFlow Reserved Reserved Name Description Reserved... -
Page 26: Change Status Register
Edge Status Indicates an edge has been detected. If the EdgeInt bit is set in the Master Interrupt Control Register, Edge Status set indicates an interrupt is currently being asserted. © National Instruments Corporation 2-15 Static DIO Register-Level Programmer Manual... -
Page 27: Master Interrupt Control Register
Chapter 2 Register Map and Descriptions Master Interrupt Control Register The Master Interrupt Control Register enables change detection interrupts. Address Offset: 0x03 Type: Read-write Size: 8-bit Bit Map: Reserved Reserved Falling Rising Master OverFlow Edge Expiration Edge Edge Interrupt Enable Interrupt IntEnable IntEnable... -
Page 28: Revision Register
Rev(19) Rev(18) Rev(17) Rev(16) Rev(15) Rev(14) Rev(13) Rev(12) Rev(11) Rev(10) Rev(9) Rev(8) Rev(7) Rev(6) Rev(5) Rev(4) Rev(3) Rev(2) Rev(1) Rev(0) Name Description 31–0 Rev(<31..0>) Contains the revision of your device. © National Instruments Corporation 2-17 Static DIO Register-Level Programmer Manual... -
Page 29: Filter Interval 32-Bit Register
Chapter 2 Register Map and Descriptions Filter Interval 32-Bit Register The filter interval register controls the filter interval for distinguishing between valid input pulses and glitches. There are twenty bits in the filter interval register. Address Offset: 0x08 Type: Read-write Size: 32-bit Bit Map:... -
Page 30: Automatic Clock Selection Register (Pxi-6528 Only)
Bit 0 has a default value of 0, which means automatic clock selection is enabled. Write a 1 to bit 0 to disable automatic clock selection and force use of the onboard oscillator. © National Instruments Corporation 2-19 Static DIO Register-Level Programmer Manual... -
Page 31: Watchdog Timer Software Timeout Enable
Chapter 2 Register Map and Descriptions Watchdog Timer Software Timeout Enable This register enables the device to go to specified expiration states when the watchdog timer expires. Address Offset: 0x15 Type: Read-write Size: 8-bit Bit Map: Reserved Reserved Reserved Reserved Reserved Reserved Reserved... -
Page 32: Watchdog Timer Expire Status
Reserved Reserved WDTExpStat Name Description 7–1 Reserved Disregard these bits. WDTExpStat A 0 indicates the device is operating normally. A 1 indicates the device has gone to the expiration state. © National Instruments Corporation 2-21 Static DIO Register-Level Programmer Manual... -
Page 33: Watchdog Timer Timeout Interval
Chapter 2 Register Map and Descriptions Watchdog Timer Timeout Interval This register specifies the amount of time to wait before going to the expiration state. It is expressed in terms of 100 ns. Address Offset: 0x18 Type: Read-write Size: 32-bit Bit Map: WDT_TI(31) WDT_TI(30) WDT_TI(29) WDT_TI(28) WDT_TI(27) WDT_TI(26) WDT_TI(25) WDT_TI(24) WDT_TI(23) WDT_TI(22) -
Page 34: Rtsi Configuration Registers
RTSI IR(8) corresponds to the PXI Star Trigger line on PXI devices. ♦ For PCI—The RTSI-enabled port is the first input-enabled port. ♦ For PXI—The RTSI-enabled ports are the first two input-enabled ports. © National Instruments Corporation 2-23 Static DIO Register-Level Programmer Manual... -
Page 35: Rtsi Pulse When Edge Detected
Chapter 2 Register Map and Descriptions RTSI Pulse when Edge Detected This register configures which RTSI lines to pulse for 200 ns when there is an edge detected on any of the lines configured for monitoring. Address Offset: 0x0E Type: Read-write Size: 16-bit... -
Page 36: Rtsi Pulse When Watchdog Timer Expires
RTSI register. Write a 1 to a bit to make that RTSI line pulse for 200 ns when the watchdog timer expires. RTSI PWE(8) corresponds to the PXI Star Trigger line on PXI devices. © National Instruments Corporation 2-25 Static DIO Register-Level Programmer Manual... -
Page 37: Rtsi Trigger For Watchdog Timer
Chapter 2 Register Map and Descriptions RTSI Trigger for Watchdog Timer Enables RTSI line to act as a hardware trigger for the watchdog timer. Address Offset: 0x12 Type: Read-write Size: 16-bit Bit Map: Reserved Reserved Reserved Reserved Reserved Reserved Reserved RTSI Trig(8) RTSI... -
Page 38: Rtsi Edge Detection Configuration Register
Write a 1 to this bit to use synchronous RTSI edge detection. For more information on RTSI industrial DIO feature registers, refer to the RTSI Trigger for Watchdog Timer section. © National Instruments Corporation 2-27 Static DIO Register-Level Programmer Manual... -
Page 39: Programming
Programming This chapter contains basic programming information for your NI 6509/651x/6520/6521/6528 devices. Programming your NI 6509/651x/6520/6521/6528 device involves writing to and reading from registers on the device. Registers are listed in Chapter 2, Register Map and Descriptions. Programming Examples Most of the register-level functionality is explained through a separate set of examples in the NI Measurement Hardware Driver Development Kit (DDK). -
Page 40: Initializing The Pci Bus
The PCI Bus moves data for the NI 6509/651x/6520/6521/6528 devices. Configure the bus-related resources before you execute a register-level program. To do this, you need to assign a base address and optionally assign an interrupt channel to your NI 6509/651x/6520/6521/6528 device as shown here and in the following section. -
Page 41: Example
//Write the address to which you want to re-map the PCI MITE to PCI configuration space offset 0x10 (BAR0). Write(0xD0340,0x0000AEAE) //Write the value 0x0000AEAE to offset 0x340 from the new PCI MITE address. © National Instruments Corporation Static DIO Register-Level Programmer Manual... - Page 42 BAR0. The base address is now 0xD1000. Make sure the re-mapped PCI MITE and the NI 6509/651x/6520/6521/6528 memory ranges are not used by another device or system resource. You can exclude this memory from use with a memory manager. Static DIO Register-Level Programmer Manual...
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Page 43: Technical Support Resources
Technical Support Resources Visit the following sections of the National Instruments Web site at for technical support and professional services: ni.com • Support—Online technical support resources at ni.com/support include the following: – Self-Help Resources—For answers and solutions, visit the award-winning National Instruments Web site for software drivers... - Page 44 Appendix A Technical Support Resources • Calibration Certificate—If your product supports calibration, you can obtain the calibration certificate for your product at ni.com/ calibration If you searched and could not find the answers you need, contact ni.com your local office or NI corporate headquarters. Phone numbers for our worldwide offices are listed at the front of this manual.
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Page 45: Glossary
PCI Industrial Computer Manufacturer’s Group (PICMG) data acquisition—a system that uses the personal computer to collect, measure, and generate electrical signals digital input/output © National Instruments Corporation Static DIO Register-Level Programmer Manual... - Page 46 Glossary isolation signal conditioning to break ground loops and reject high common-mode voltages to protect equipment and users and to ensure accurate measurements least significant bit most significant bit optical isolation the technique of using an optocoupler to transfer data without electrical continuity, to eliminate high-potential differences and transients optocoupler a device that transfers electrical signals by utilizing light waves to provide...
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Page 47: Index
Falling Edge IntEnable bits, 2-16 drivers (NI resources), A-1 Master Interrupt Enable bits, 2-16 OverFlow Enable bits, 2-16 Rising Edge IntEnable bits, 2-16 WDT Exp IntEnable bits, 2-16 examples (NI resources), A-1 © National Instruments Corporation Static DIO Register-Level Programmer Manual... - Page 48 Index National Instruments support and recurring port registers services, A-1 Falling Edge Sensitivity Configuration NI Measurement Hardware Driver registers, 2-7 Development Kit (DDK), 3-1 Filter Enable registers, 2-8 programming your device without, 3-1 IO Port Data, 2-4 NI support and services, A-1...
- Page 49 Watchdog Timer High or Low registers, 2-11 WDTSwToEn bits, Watchdog Timer Software software (NI resources), A-1 Timeout Enable register, 2-20 technical support resources, A-1 training and certification (NI resources), A-1 troubleshooting (NI resources), A-1 © National Instruments Corporation Static DIO Register-Level Programmer Manual...