BCM89359 Advance Data Sheet
Sequencing of Reset and Regulator Control Signals
Figure 47: VBAT to WPT
OFF
WL/BT_ACTIVE
NSA_WPT
VBAT
90% of VH
SYS_VDDIO
WPT_3P3
WPT_1P8
> 60 µs
WL_REG_ON
BT_REG_ON
Notes:
1. VBAT, SYS_VDDIO, WPT_1P8, and WPT_3P3 should not rise 10%–90% faster than 40 µs.
Figure 48: WPT to VBAT
SA_WPT
OFF
NSA_WPT
WL/BT_ACTIVE
VBAT
SYS_VDDIO
WPT_3P3
WPT_1P8
> 60 µs
WL_REG_ON
BT_REG_ON
500 µs
Notes:
1. VBAT, SYS_VDDIO, WPT_1P8, and WPT_3P3 should not rise 10%–90% faster than 40 µs.
2. Maintain 500 µs of NSA transition mode if PMU is needed from SA mode to Active mode.
3. WL_REG_ON should be asserted only when VBAT is stable.
Broadcom®
September 9, 2014 • 89359-DS100-R
Page 146
BROADCOM CONFIDENTIAL
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