36-01103 Rev. I
May 16, 1997
Contract NAS8-37716
DR SDM02
ACIS SI
Software Requirements Specification
| Submitted to: | Submitted by: |
| George C. Marshall Space Flight Center
National Aeronautics and Space Administration Marshall Space Flight Center, AL 35812 |
Center for Space Research
Massachusetts Institute of Technology Cambridge, MA 02139 |
| Approvals: | |
| Dr. Peter Ford | Dr. William Mayer |
| Software Project Manager
Massachusetts Institute of Technology |
Project Manager
Massachusetts Institute of Technology |
| Revision | Date (mm/dd/yy) |
ECO No. |
Page(s) Affected |
Reason | Approval |
|---|---|---|---|---|---|
| 01 | 3/24/94 | - | All | Initial Release for Software Requirements Audit (as Doc. No. 36-61101-01) | |
| 02 | 7/27/94 | - | All | Updates as a result of the Software Requirements Audit (as Doc. No. 36-41001-02) | |
| 03 | 9/28/94 | - | 1-10, 12, 16, 19, 26, 27, 33, 34, 38, 46, 47, 48, 50, 55, 56, 68, 69, 73, 84, 92, 95, 104 | Updates for Software PDR, including Doc. No. correction | |
| A | 2/17/95 | 36-130 | All | Corrections in response to Software PDR | |
| B | 9/18/95 | 36-274 | All | Updates for CDR | |
| C | 11/3/95 | 36-356 | All | Corrections to Rev. B and preparation for baseline. Added "goals" appendix as descriptive placeholder for potential enhancements. | |
| D | 2/8/96 | 36-495 | All | Added requirements tracebility reference and hyper-links to all tables | |
| E | 5/10/96 | 36-567 | 37, 38, 71, 74, 76, 91, 92, 140, 141 | Use 100KHz ACIS pixel clock to time-stamp events. CEI timing requirement relaxed to 10us | RFG 5/10/96 |
| F | 6/17/96 | 36-623 | 22, 57, 83 | Removed initial CCD flush. Added "ignore n initial frames" parameter to Timed Exposure and Continuous Clocking Modes. | RFG 6/18/96 |
| G | 12/26/96 | 36-823 | 3, 8, 12, 13, 17, 119, 122, 133, 134 | Remove auto-science-restart after watchdog timer.
Clarify BEP response to FEP reset. Updated Software Housekeeping format. Removed TBDs. |
PGF 2/6/97 |
| H | 2/6/97 | 36-855 | 143 | To support back-side illuminated CCDs, implement Faint 5x5 Mode. | RFG 2/6/97 |
| I | 2/21/97 | 36-863 | 46, 47, 48, 57, 71, 74, 75, 83, 91, 92, 111, 112, 125, 128, 129, 135, 150+ |
SPR 83: Telemetered window ids where no windows were used
are now set to 0xffffffff.
SPR 59: Removed Housing Tem perature setpoint. SPR 88: Fixed FEP Write/Execute memory description typos. SPR 41: Added detailed BEP Boot Mode Appendix. Patch and Boot sections now have references to new Boot Mode description Ap pendix. SPR 90: Added missing Trickle Bias Flag to CC Mode block. SPR 94: Table 9, Stop Science does NOT abort a Bias-only run. SPR 96: Bad parameter blocks reported in command echoes, not in SW housekeeping packets. FEP dropped exposures confirmed via science report, but not reported to SW housekeeping. SPR 97: State that Bias-Only runs also produce Science Reports when they terminate. SPR 98: Changed Histogram Exposure Count advertised lower bound from 0 to 1. SPR 99: State that bias is optionally compressed and trickled. SPR 100: Initial Frames to Ignore in CC Mode is the actual number of ignored frames minus 1. |
RFG 3/20/97 |
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