User's Manual

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RTL8822CE

Datasheet

Single-Chip 802.11 ac/a/b/g/n 2T2R WLAN Controller

with PCI-E Interface

Track ID: Rev. 0.1

Symbol

Type

Pin No

Description

RFI_WL5G_S0

WLAN 5G RF input for path S0 in external LNA/FEM configuration

5.5.

LED Interface

Table 5. LED Interface

Symbol

Type

Pin No

Description

BT_LED

BT LED Pin (Active Low)

WL_LED

WL LED Pin (Active Low), shared with GPIO8

5.6.

Power Management Handshake Interface

Table 6. Power Management Handshake Interface

Symbol

Type

Pin No

Description

WL_DIS#

Shared with GPIO9.This pin can be defined as the WLAN Radio-off

function with host interface remaining connected. When this pin is pulled

low, WLAN function will be Radio-off. When this function is not required,

external pull high is not required.

BT_DIS#

Shared with GPIO11. This pin can externally shut down the RTL8822CE

BT function when BT_DIS# is pulled Low. When this pin is pulled low,

USB interface will be also disabled. When this function is not required,

external pull high is not required.

HOST_WAKE_WL

Shared with GPIO12. The Host wakes up the WLAN controller in Remote

Wakeup Mode.

5.7.

Clock and Other Pins

Table 7. Clock and Other Pins

Symbol

Type

Pin No

Description

40MHz OSC Input

40MHz crystal reference clock input

40MHz Crystal reference clock output

SUS_CLK

External 32K or RTC clock input.

EESK

WLAN eFuse autoload

GPIO0