GE SBC330 3U VPX Hardware Reference Manual page 18

18 SBC330 3U VPX Single Board Computer
The full SBC330 power‐on‐reset sequence takes approximately 100mS:
• Drive PSU_SEQ_OUT low
• Wait for VS3 to reach 4.49Volts. (90
• Wait for PSU_SEQ_IN signal to be high, or for 500ms
• Release PSU_SEQ_OUT
• Following the PSU_SEQ_OUT signal, which occurs once all the on‐board
PSUs have active POWER_GOOD signals, if the board is the slot‐1 VPX
controller then the backplane SYS_RESET signal is driven low for a further
20 mS.
th
percentile triggering)
Publication No. SBC330-0HH/3