ACIS
36-01103 Rev. H
February 6, 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 FordDr. William Mayer
Software Project Manager
Massachusetts Institute of Technology
Project Manager
Massachusetts Institute of Technology

Revision Log
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.
RFG 2/6/97
H 2/6/97 36-855 143 To support back-side illuminated CCDs, implement Faint 5x5 Mode.

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