DLPU094 July   2020 DLP5530S-Q1

 

  1.   1
  2.   2
    1.     3
    2.     4
    3.     5
    4.     6
      1.      7
    5.     8
      1.      9
      2.      10
        1.       11
        2.       12
        3.       13
      3.      14
    6.     15
    7.     16
      1.      17
        1.       18
        2.       19
      2.      20
      3.      21
        1.       22
          1.        23
          2.        24
          3.        25
          4.        26
        2.       27
          1.        28
          2.        29
            1.         30
            2.         31
            3.         32
            4.         33
            5.         34
    8.     35
  3.   36

7.2 Fault Handling

The DLPC230S-Q1 software implements two ways of error handling—error logging and emergency shutdown. All errors detected by the system are logged in the error history. However, for more critical errors, i.e. errors that will obviously lead to a bright image, corrupted image, or damaged devices, the DLPC230S-Q1 executes an emergency shutdown.

In emergency shutdown, DLPC230S-Q1 main application software performs the following actions:

  • Disables LEDs
  • Parks and powers down DMD
  • Transitions software to Standby Mode
  • Captures errors in error history
  • Sets emergency shutdown bit in status
  • Asserts HOST_IRQ

Full implementation details of emergency shutdown can be found in the DLPC230-Q1 Programmer's Guide For Display Applications.