Abstract: An apparatus for adjusting the phase difference of a first clock signal (48) and a second clock (50) is disclosed. The apparatus includes a phase indicator (42) which receives a first clock signal (48) and a second clock signal (50) and determines a phase relationship. A microprocessor (44) outputs a digital value related to the phase relationship. An analog to digital converter (46) receives the digital value and outputs an analog value based on the digital signal. After that a voltage controlled constant current source (47) receives the analog value and outputs a constant current source proportional to the analog value. Finally, a phase lock loop circuit (10) receives the constant current source and adjusts the phase relationship.

Abstract: An apparatus for programming flash based firmware is disclosed. The apparatus comprises a programmable control card (20) and a processor card (10). The programmable control card (20) includes a control card connector (22) and a programmable flash device (26). The processor card (10) includes a programming connector (12), a processor (16) and on-board flash devices (18). The control card (20) is operable to connect to the processor card (10) by connecting the control card connector (22) with the programming connector (12). Upon starting the processor card (10) control card (20) is operable to transfer programming code to the processor card (10).