BCM89359 Advance Data Sheet
Sequencing of Reset and Regulator Control Signals
Figure 44: WLAN = ON, Bluetooth = OFF
32.678 kHz
Sleep Clock
90% of VH
VBAT*
VDDIO
~ 2 Sleep cycles
WL_REG_ON
BT_REG_ON
*Notes:
1. VBAT and VDDIO should not rise 10%–90% faster than 40 microseconds.
2. VBAT should be up before or at the same time as VDDIO . VDDIO should NOT be present first or be held high before VBAT is high .
Figure 45: WLAN = OFF, Bluetooth = ON
32.678 kHz
Sleep Clock
90% of VH
VBAT*
VDDIO
~ 2 Sleep cycles
WL_REG_ON
BT_REG_ON
*Notes:
1. VBAT and VDDIO should not rise 10%–90% faster than 40 microseconds.
2. VBAT should be up before or at the same time as VDDIO . VDDIO should NOT be present first or be held high before VBAT is high .
Broadcom®
September 9, 2014 • 89359-DS100-R
Page 144
BROADCOM CONFIDENTIAL
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