Data Sheet

Part number:WG7837-V1
Model name :WG7837-V0
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Copyright © JORJIN TECHNOLOGIES INC. 2021 8
http://www.jorjin.com.tw
CONFIDENTIAL
Pin Description
Table 4-1. Pin Description
Pin No. Signal Name Type Shut
Down
State
After
Power
Up
(1)
Voltage
Level
Description
1 GND GND - Ground
2 GPIO11 IO PD PD 1.8V Reserved for future use. NC if not used.
3 GPIO9 IO PD PD 1.8V Reserved for future use. NC if not used.
4 GPIO10 IO PU PU 1.8V Reserved for future use. NC if not used.
5 GPIO12 IO PU PU 1.8V Reserved for future use. NC if not used.
6 WL_SDIO_CMD IO HiZ HiZ 1.8V WLAN SDIO Command
(2)
7 GND GND - Ground
8 WL_SDIO_CLK IN HiZ HiZ 1.8V
WLAN SDIO Clock. Must be driven by
the host.
9 GND GND - Ground
10 WL_SDIO_D0 IO HiZ HiZ 1.8V WLAN SDIO Data bit 0
(2)
11 WL_SDIO_D1 IO HiZ HiZ 1.8V WLAN SDIO Data bit 1
(2)
12 WL_SDIO_D2 IO HiZ HiZ 1.8V WLAN SDIO Data bit 2
(2)
13 WL_SDIO_D3 IO HiZ PU 1.8V
WLAN SDIO Data bit 3. Changes state to
PU at WL_EN or BT_EN assertion for
card detects. Later disabled by software
during initialization.
(2)
14 WLAN_IRQ OUT PD 0 1.8V
SDIO available, interrupt out. Active
high. (For WL_RS232_TX/RX pull up is at
power up.) Set to rising edge (active
high) on power up. The Wi-Fi interrupt
line can be configured by the driver
according to the IRQ configuration
(Polarity / Level / Edge).
15 GND GND - Ground
16 GND GND - Ground
17 GND GND - Ground
18 RF_ANT2 ANA -
5G ANT diversity TX/RX , 2.4G
Secondary antenna MRC/MIMO only
19 GND GND - Ground