REL1.2
Page 53 of 62
iWave Systems Technologies Pvt. Ltd.
RZ/G1E SODIMM SOM Hardware User Guide
3.1.2
Power Input Sequencing
The RZ/G1E SODIMM SOM
’s
Power Input sequence requirement is explained below.
Power up Sequence:
•
VCC_RTC must come up at the same time or before VIN_3V3 comes up.
Power down Sequence:
•
VIN_3V3 must go down at the same time or before VCC_RTC goes down.
Figure 6: SODIMM SOM Power Sequence
Table 9: Power Sequence Timing
Item
Description
Value
T1
VCC_RTC rise time to VIN_3V3 rise time
≥ 0 ms
T2
VIN_3V3 fall time to VRTC_3V0 fall time
≥ 0 ms
Important Note: All carrier board power supplies should be powered ON only after the SOM is powered ON
completely. Otherwise it can cause internal latch-up and malfunctions/bootup issues due to reverse current flows.
Summary of Contents for iW-RainboW-G22M
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