• Preprogrammed functional tests offer structured testing
and troubleshooting of the μΡ’ε BUS, RAM, ROM and I/O Registers.
• TROUBLESHOOTING functions: simple READ and WRITE commands
allow you to stimulate and observe responses from peripheral
interphase adapters (PIAs, CTCs, and UARTs) and circuitry
beyond the μΡ bus. Several special functions are available
(RAMP, WALK) with preprogrammed stimulus sequences.
• Optional RS-232C: easy downloading of programs and test
results to storage mediums, printers and other testers at
remote locations. Optional GPIB/IEEE-488* for computer
controller operation (9020A).
• TAPE deck controls for storing and reading programs and
UUT memory maps on the minicassette.
• LEARN function which is used on a “known good" system,
finds and maps RAM, ROM and read/writable I/O addresses.
• Hexadecimal entry of address descriptors.
• MODE control of tests and programs.
• TEST SEQUENCING and ARITHMETIC keys for creating unique
user-generated test routines. (9010A only.)
• PROBE controls used for synchronizing the troubleshooting
probe to μΡ cycles and to drive nodes high and/or low.
• Pod design provides for safe easy use - extensive input
protection prevents damage to the pod from common accidental
abuses such as plugging the pod into the socket backwards.
Plug is inserted into socket on pod for self-test. Pins can
be protected there when not in use.
Partial List of Processors Supported
The 9000 Series Micro-System Troubleshooters - 9005A, 9010A,
and 9020A - are among the most comprehensive troubleshooting
instruments ever developed for locating faults on
microprocessor-based systems. They include built-in
preprogrammed test routines for checking the entire
microprocessor kernel: bus, RAM, ROM, and I/O. Included is a
troubleshooting probe that you can use either to monitor
logic action on a node-by-node basis or to inject stimulus
The three troubleshooters differ primarily in their
programming and system capabilities.
The 9010A is a self-contained, programmable model that lets
you develop your own customized test programs. Using the
9010A, you can perform specialized guided fault-isolation
routines on any portion of a board’s digital circuitry.
The nonprogrammable 9005A includes the same built-in tests
as the 9010A but cannot generate new test routines. It can,
however, run test sequences developed on the 9010A and
transferred from a mini-cassette tape. With the optional
RS-232C interface, you can also download test sequences
directly from the 9010A or a host computer. Typically, you
would develop guided fault-isolation programs at a central
location, using a 9010A, and then run the programs at remote
sites on 9005As.
The 9020A, designed for systems use, runs test programs
written and stored in a system controller or other computer.
You can also combine the 9020A with other test instruments
to troubleshoot complex microprocessor-based products with
special measurement and control problems. The 9020A has no
programming keys or cassette tape capability, so test
sequences must be executed through the RS-232C or GPIB/