1. A debug system for symmetrical multiprocessor systems including plural central processor units, each central processor unit including a test access port, said debug system comprising:
a first test signal multiplexer receiving external test input signals and debug slave signals, said first test signal multiplexer directly coupling external test input signals to input lines of the test access port of a single user selected debug master central processor unit and coupling debug slave signals to at least one non-selected debug slave central processor unit thereby causing said at least one non-selected debug slave central processor unit to operate in a slave mode; and
a second test signal multiplexer having a plurality of inputs, each input directly coupled to an output line of the test access port of a corresponding one of said plural central processing units, and having an output supplying an external test output signal, said second test signal multiplexer coupling said output line of said single selected debug master central processor to output.
2. The debug system of claim 1 further comprising:
an executive master test access port controller receiving external test signals and supplying said external test signals to said first test signal multiplexer and said second test signal multiplexer, said executive master test access port controller responsive to said external test signals for supplying a select signal to said first test signal multiplexer and to said second test signal multiplexer to specify said user single selected debug master central processing unit.
3. The debug system of claim 2 wherein:
said external test signals include a test clock; and
said first test signal multiplexer supplies said test clock to all central processor units.
4. The debug system of claim 2 comprising further:
a control register connected to the executive master test access port controller, said control register receiving and storing debug slave signals from said executive master test access port controller and supplying said debug slave signals to said first test signal multiplexer; and
said first test signal multiplexer supplies said debug slave signals to said at least one non-selected debug slave central processor unit.
5. The debug system of claim 4 wherein:
said debug slave signals supplied to said at least one non-selected debug slave central processor unit causes said at least one non-selected debug slave central processing unit to enter a halt state.
6. The debug system of claim 1 wherein:
an executive master test access port controller receiving external test signals, said external test signals including a debug state signal supplied to each central processing unit for selecting alternately a normal mode or a debug mode at each central processor unit.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A construction comprising a grommet provided with an expanded diameter tube on at least one end of a small diameter tube through which an electrical wire group of a wire harness extends, and configured to secure a washer tube to the grommet formed from an elastic body, wherein a vehicle latching groove is provided on an outer peripheral surface of said expanded diameter tube, the construction comprising:
a tube securing member that includes a large diameter ring, and a small diameter ring that protrudes from one part of an outer peripheral surface of said large diameter ring, said large diameter ring of an tube securing member being secured on an outer surface of said small diameter tube, said washer tube extending through said small diameter ring, wherein the washer tube is secured along said outer surface of said small diameter tube.
2. The construction to secure a washer tube to the grommet according to claim 1, wherein a convex portion is provided on one part of said outer surface of said small diameter tube that mates with a concave portion of a positioning protrusion that is provided on one part of said large diameter ring, and wherein said tube securing member is made of rubber.
3. The construction to secure a washer tube to the grommet according to claim 2, wherein the small diameter tube of said grommet is generally accordion-shaped and is provided with continuously rising and falling portions, an annular tube meshing groove being provided on a portion of the small diameter tube, said large diameter ring of said tube securing member being externally pressed into the annular tube meshing groove, the meshing groove having a convex portion provided on a surface thereof.
4. The construction to secure a washer tube to the grommet according to claim 2, wherein said small diameter ring that protrudes from said outer peripheral surface of said large diameter ring of said tube securing member and said positioning protrusion are positioned with an angular gap corresponding to a type of vehicle.
5. The construction to secure a washer tube to the grommet according to claim 1, wherein said washer tube secured via said tube securing member on said outer surface of said small diameter tube, is inserted into a through-hole provided on said expanded diameter tube of the grommet and extends from an open end of said expanded diameter tube and;
said through-hole provided on said expanded diameter tube is formed as an open end by cutting off a closed wall when inserting said washer tube.
6. The construction to secure a washer tube to the grommet according to claim 3, wherein said small diameter ring that protrudes from said outer peripheral surface of said large diameter ring of said tube securing member and said positioning protrusion are positioned with an angular gap corresponding to a type of vehicle.
7. The construction to secure a washer tube to the grommet according to claim 2, wherein said washer tube secured via said tube, securing member on said outer surface of said small diameter tube, is inserted into a through-hole provided on said expanded diameter tube of the grommet and extends from an open end of said expanded diameter tube and;
said through-hole provided on said expanded diameter tube is formed as an open end by cutting off a closed wall when inserting said washer tube.
8. The construction to secure a washer tube to the grommet according to claim 3, wherein said washer tube secured via said tube securing member on said outer surface of said small diameter tube, is inserted into a through-hole provided on said expanded diameter tube of the grommet and extends from an open end of said expanded diameter tube and;
said through-hole provided on said expanded diameter tube is formed as an open end by cutting off a closed wall when inserting said washer tube.
9. The construction to secure a washer tube to the grommet according to claim 4, wherein said washer tube secured via said tube, securing member on said outer surface of said small diameter tube, is inserted into a through-hole provided on said expanded diameter tube of the grommet and extends from an open end of said expanded diameter tube and;
said through-hole provided on said expanded diameter tube is formed as an open end by cutting off a closed wall when inserting said washer tube.
10. A grommet assembly comprising:
a washer tube;
a main tube through which an electrical wire group is extendible;
a first end tube connected to a first end of the main tube and having a larger diameter than the main tube;
a second end tube connected to a second end of the main tube and having a larger diameter than the main tube; and
a washer tube securing element, the washer tube securing element comprising a member having a main tube ring and a washer tube ring;
wherein the main tube extends through the main tube ring and the washer tube extends through the washer tube ring.
11. The grommet assembly according to claim 10, further comprising:
a projection provided on the main tube ring;
a recess provided in the main tube ring, the recess being formed at a location on the main tube ring corresponding to the projection; and
a generally convex portion provided on at least one portion of an outer surface of the main tube, the generally convex portion extending into the recess to secure the washer tube to the grommet assembly.
12. The grommet assembly according to claim 11, wherein the washer tube ring is spaced from the projection by an angle of 180 degrees.
13. The grommet assembly according to claim 11, wherein the washer tube ring is spaced from the projection by an angle of 90 degrees.
14. The grommet assembly according to claim 11, wherein the main tube comprises a plurality of intermittent ridges and depressions.
15. The grommet assembly according to claim 11, further comprising a through-hole formed in each of the first end tube end the second end tube.
16. The grommet assembly according to claim 15, wherein the main tube extends into the through-hole formed in the first end tube.
17. The grommet assembly according to claim 15, wherein the main tube extends into the through-hole formed in the second end tube.