Data Sheet

WL1801MOD,
WL1805MO
D
,
WL1831MO
D
,
WL1835MOD
SWRS152M – JULY 2013 – REVISED OCTOBER 2017
www.ti.com
Specifications 19
Copyright © 2013–2017, Texas Instruments Incorporated
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WL1835MOD
5.19.4 WLAN Power-Up Sequence
Figure 5-4 shows the WLAN power-up sequence.
VBAT /
VIO
input
SLOWCLK
input
WL_EN
input
TCXO_CLK_REQ
output
TXCO_LDO
output
TCXO
input
SDIO_CLK
input
WLAN_IRQ
output
NLCP
Indicates completion of firmware
download
and internal
initialization
NLCP: trigger at rising
edge
Wake-up
time
WLAN_IRQ
output
MCP
Indicates completion of firmware
download
and internal
initialization
Wake-up
time
MCP: trigger at low
level
Host configures device
to
reverse WLAN_IRQ
polarity
Figure 5-4. WLAN Power-Up Sequence
5.19.5 Bluetooth-Bluetooth low energy Power-Up Sequence
Figure 5-5 shows the Bluetooth-Bluetooth low energy power-up sequence.
Completion
of
Bluetooth
firmware
initialztion.
Initialization
time
Figure 5-5. Bluetooth-Bluetooth low energy Power-Up Sequence