Data Sheet

Table Of Contents
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BDE Technology Inc.
BDE-WF3235
BDE Dual-Band WiFi MCU Module
Datasheet
Datasheet
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Table 4-6 lists the timing requirements for the first-time power-up and reset removal.
Table 4-6. First-Time Power-Up and Reset Removal Timing Requirements
ITEM
NAME
DESCRIPTION
MIN TYP MAX
UNIT
T1
nReset time
nReset timing after VBAT supplies are stable
1
ms
T2
Hardware wake-up time
25
ms
T3
Time taken by ROM
firmware to initialize
hardware
Includes internal 32-kHz XOSC settling time
1.1
s
T4
App code load time for
BDE-WF3235
BDE-WF3235
Image size (KB) × 0.06
ms
4.8.2 Power-Down Sequencing
For proper power down of the BDE-WF3235 module, ensure that the nRESET (pin 35) and nHIB (pin 4) pins
have remained in a known state for a minimum of 200 ms before removing power from the module.
4.8.3 Device Reset
When a device restart is required, issue a negative pulse to the nRESET pin. Ensure the reset is properly
applied: A negative reset pulse (on pin 35) of at least 200-mS duration.