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WILCS02IC Datasheet(PDF) 14 Page - Microchip Technology

No. de pieza WILCS02IC
Descripción Electrónicos  single chip 2.4 GHz and IEEE 802.11b/g/n-compliant solution
PDF  71 Pages
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Fabricante Electrónico  MICROCHIP [Microchip Technology]
Página de inicio  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

WILCS02IC Datasheet(HTML) 14 Page - Microchip Technology

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WILCS02IC and WILCS02 Family
Device Overview
 Data Sheet
© 2024-2025 Microchip Technology Inc. and its subsidiaries
DS70005557C - 14
Table 2-2.
WILCS02 Module Pinout Table (continued)
Pin Number
Pin Name
Pin Type
Pin Description
19
SD_CLK/UART1_RX(4)
I
SDIO, Clock
Connect to the SDIO clock of the host device.
Used for external antenna calibration
Connect this signal to a test point or a pin header.
20
VDD
P
VDD power supply (3.0-3.6V)
21
RTCC_OSC_IN/
PTA_BT_ACTIVE(1)(3)
I
32.768 KHz RTCC Oscillator input
PTA interface, Bluetooth Coexistence device active indication
input to WILCS02
22
RTCC_OSC_OUT(3)
O
32.768 KHz RTCC Oscillator output
23
VDDIO
P
I/O power supply (3.0-3.3V)
24
TP
P
PMU Output Test point: 1.5V(2)
25
NC
—
No connection
26
DFU_TX/STRAP2
O
Device Firmware Update, transmit signal
I
Host interface configuration, Strapping2 pin. Connect to a
pulled-high resistor of 10K for future upgrades.
27
UART2_TX
O
UART2 transmit signal for the firmware log.
UART setting: 460,800 baud, 8N1 and no flow control
28
GND
P
Ground
29
GND Paddle
P
Thermal ground paddle
Notes: 
1. The WILCS02 Module can support either RTCC_OSC_IN or PTA_BT_ACTIVE functionality at a time, so, either the RTCC or
PTA feature can be used.
2. Do not connect any external 1.5V supply.
3. Current firmware does not support the RTCC Oscillator function; it is recommended to have an option to mount the
RTCC Oscillator in the design to upgrade with the future version of firmware releases.
4. For more details, refer to the WILCS02 Module External Antenna Calibration Guide (DS50003751)
5. Do not leave this pin unconnected. Follow as described in the Pin Description column for future upgrades.



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