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DPU Board Block Diagram. Spacecraft Interface (RS-422). DPU Board. 8085 CPU. Science Telemetry. Sci Telem. To Imager MCP, Imager Phosphor, SP & AP HVPS. 4 PR. HV Control (FPGA). Engr. Telemetry. Engr. Telem. 1 PR. Daylight Sensor. Command Rx. Commands. Diag. Port (EGSE). 1 PR.
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DPU Board Block Diagram SpacecraftInterface(RS-422) DPU Board 8085 CPU Science Telemetry Sci Telem To Imager MCP, Imager Phosphor, SP & AP HVPS 4 PR HV Control (FPGA) Engr. Telemetry Engr. Telem 1 PR Daylight Sensor Command Rx Commands Diag. Port (EGSE) 1 PR To ImagerTo SPTo AP Time Rx Timing CDI Sender 1 PR To ImagerTo SP 16 KB PROM STIM To DSP DSP Handshake 128 KB RAM To LVPS and Power Controller Power Control Logic 128 KB EEPROM To Mass Memory Mass Memory I/f