1. A method for programming field programmable gate arrays (FPGA) operatively connected to a bus system of a computer device with configuration data, the method comprising by the steps of:
(a) using a device driver to read the configuration data from a storage device operatively connected to the bus system of said computer device;
(b) providing the configuration data to the FPGA by way of the bus system of said computer device;
(c) programming the configuration data into an electrical erasable programmable read only memory (EEPROM) connected with said FPGA via a multiplexer, hereinafter referred to as a MUX element, adapted such that the configuration data is capable of being read from the FPGA to the EEPROM;
(d) switching said MUX element such that the configuration data is capable of being read from said EEPROM into said FPGA; and
(e) programming the configuration data from the EEPROM to said FPGA.
2. A hardware circuit arrangement having a programmable read only memory (PROM) device, an electrical erasable programmable read only memory (EEPROM) device, a field programmable grate array (FPGA) device accessible via a computer bus system and a multiplexer, hereinafter referred to as a MUX element, connected between said devices, said circuit arrangement comprising:
(a) a device driver to read configuration data from a storage device operatively connected to the computer bus system into the EEPROM via the FPGA;
(b) said PROM device being arranged for comprising control data for proper recognition of said FPGA by said bus system, and a logic usable for programming said EEPROM device with an EEPROM-FPGA interface;
(c) said MUX element being controllable to permit data to be read from either said PROM device or said EEPROM device, in order to properly connect said FPGA to said bus system and to initialize a configuration of said FPGA with contents comprised of said EEPROM, adapted such that the configuration data is capable of being read from the FPGA to the EEPROM.
3. The circuit arrangement according to claim 2, wherein the circuit arrangement is located on a PC-card detectable by a PC system bus.
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 power supply wiring structure, comprising:
a first and a second power supply wirings, which are disposed on different planes to cross each other two-dimensionally;
a first via for interlayer-connecting said first and said second power supply wirings at a crossing area where said power supply wirings cross each other;
extension wirings which are formed by partially extending at least either said first power supply wiring or said second power supply wiring from both sides of said crossing area along a wiring extending direction of other power supply wiring; and
a second via for interlayer-connecting said extension wiring and either said first power supply wiring or said second power supply wiring, said first or said second power supply wirings being disposed on a plane different from said extension wiring to face said extension wiring.
2. The power supply wiring structure as claimed in claim 1, wherein said extension wiring is provided adjacent to said crossing area.
3. The power supply wiring structure as claimed in claim 2, wherein
a mounting number of said first via disposed in each said crossing area is set according to size of respective said crossing area.
4. The power supply wiring structure as claimed in claim 1, wherein said extension wiring is provided to said first power supply wiring.
5. The power supply wiring structure as claimed in claim 1, wherein said extension wiring is provided to said second power supply wiring.
6. The power supply wiring structure as claimed in claim 1, wherein said extension wiring is provided to said first power supply wiring and said second power supply wiring, respectively.
7. The power supply wiring structure as claimed in claim 1, wherein:
said second power supply wirings in a plurality of numbers are provided in parallel to each other; and
said extension wiring comprises
a first extension wiring which is formed by partially extending one of said second power supply wirings towards other one of said second power supply wirings along a wiring extending direction of said first power supply wiring, and
a second extension wiring which is formed by partially extending said other second power supply wiring towards said one of said second power supply wirings along said wiring extending direction of said first power supply wiring, wherein
said first extension wiring and said second extension wiring are connected by abutting against each other.
8. The power supply wiring structure as claimed in claim 1, wherein:
said extension wiring is coupled non-orthogonally to said power supply wiring where said extension wiring is provided;
said extension wiring comprises an auxiliary coupling part for further coupling said extension wiring to said power supply wiring where said extension wiring is provided;
at an acute-angle-side crossing area between said extension wiring and said power supply wiring where said extension wiring is provided, said auxiliary coupling part is extended out from a wiring edge of said extension wiring and coupled to a wiring edge of said power supply wiring where said extension wiring is provided;
said auxiliary coupling part is in a right triangular shape having said wiring edge of said extension wiring as a hypotenuse and having said wiring edge of said power supply wiring where said extension wiring is provided as a base; and
a height of said auxiliary coupling part is in a size by which there is no short circuit caused between said power supply wiring where said extension wiring is provided and said extension wiring when a prescribed voltage is applied to said first and said second power supply wirings.
9. The power supply wiring structure as claimed in claim 8, wherein said auxiliary coupling part is formed in a rectangular shape having said height and said base of said right triangular shape as its two sides.
10. A semiconductor integrated circuit, comprising
a power supply wiring structure as claimed in claim 1, and
a semiconductor device connected to said power supply wiring structure.
11. A power supply wiring structure, comprising a first and a second power supply wirings, which are disposed on different planes to cross each other two-dimensionally, wherein:
said second power supply wirings in a plurality of numbers are provided in parallel to each other; and
said power supply wiring structure comprises
a first extension wiring which is formed by partially extending one of said second power supply wirings at a crossing area where said first and said second power supply wirings cross each other towards other one of said second power supply wirings along a wiring extending direction of said first power supply wiring, and
a second extension wiring which is formed by partially extending said other second power supply wiring at a crossing area where said first and said second power supply wirings cross each other towards said one of said second power supply wirings along said wiring extending direction of said first power supply wiring, wherein
said first extension wiring and said second extension wiring are connected by abutting against each other.