Data Sheet

Part number:WG7837-V1
Model name :WG7837-V0
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Copyright © JORJIN TECHNOLOGIES INC. 2021 9
http://www.jorjin.com.tw
CONFIDENTIAL
20 GND GND - Ground
21 RESERVED1 I PD PD 1.8V Reserved for future use. NC if not used.
22 RESERVED2 I PD PD 1.8V Reserved for future use. NC if not used.
23 GND GND - Ground
24 GND GND - Ground
25 GPIO4 IO PD PD 1.8V Reserved for future use. NC if not used.
26 GPIO2 IO PD PD 1.8V
WL_RS232_RX (when WLAN_IRQ = 1 at
power up)
27 GPIO1 IO PD PD 1.8V
WL_RS232_TX (when WLAN_IRQ = 1 at
power up)v
28 GND GND - Ground
29 GND GND - Ground
30 GND GND - Ground
31 GND GND - Ground
32 RF_ANT1 ANA -
5G main ANT TX/RX, 2.4G WLAN main
antenna SISO, Bluetooth
33 GND GND - Ground
34 GND GND - Ground
35 GND GND - Ground
36 EXT_32K ANA - Input sleep clock: 32.768 kHz
37 GND GND - Ground
38 VIO POW PD PD 1.8V Connect to 1.8V external VIO
39 GND GND - Ground
40 WLAN_EN I PD PD 1.8V Mode setting: high = enable
41 BT_EN I PD PD 1.8V
Mode setting: high =enable. If Bluetooth
is not used, connect to ground.
42 WL_UART_DBG OUT PU PU 1.8V Option: WLAN logger
43 BT_UART_DEBUG OUT PU PU 1.8V Option: Bluetooth logger
44 GND GND - Ground
45 GND GND - Ground
46 VBAT_IN POW VBAT Power supply input, 2.9 to 4.8 V
47 VBAT_IN POW VBAT Power supply input, 2.9 to 4.8 V
48 GND GND - Ground
49 GND GND - Ground
50 BT_HCI_RTS O PU PU 1.8V UART RTS to host. NC if not used.
51 BT_HCI_CTS I PU PU 1.8V UART CTS to host. NC if not used.