SWRS170K March 2014 – November 2023 WL1807MOD , WL1837MOD
PRODUCTION DATA
Refer to the PDF data sheet for device specific package drawings
Table 7-1 describes the module pins.
PIN NAME | PIN NO. | TYPE/DIR | SHUTDOWN STATE(1) | AFTER POWER UP(1) | VOLTAGE LEVEL | CONNECTIVITY(2) | DESCRIPTION(3) | |
---|---|---|---|---|---|---|---|---|
1807 | 1837 | |||||||
Clocks and Reset Signals | ||||||||
WL_SDIO_CLK_1V8 | 8 | I | Hi-Z | Hi-Z | 1.8 V | v | v | WLAN SDIO clock. Must be driven by the host. |
EXT_32K | 36 | ANA | – | v | v | Input sleep clock: 32.768 kHz |
||
WLAN_EN | 40 | I | PD | PD | 1.8 V | v | v | Mode setting: high = enable |
BT_EN | 41 | I | PD | PD | 1.8 V | x | v | Mode setting: high = enable. If Bluetooth is not used, connect to ground. |
Power-Management Signals | ||||||||
VIO_IN | 38 | POW | PD | PD | 1.8 V | v | v | Connect to 1.8-V external VIO |
VBAT_IN | 46 | POW | VBAT | v | v | Power supply input, 2.9 to 4.8 V | ||
VBAT_IN | 47 | POW | VBAT | v | v | Power supply input, 2.9 to 4.8 V | ||
TI Reserved | ||||||||
GPIO11 | 2 | I/O | PD | PD | 1.8 V | v | v | Reserved for future use. NC if not used. |
GPIO9 | 3 | I/O | PD | PD | 1.8 V | v | v | Reserved for future use. NC if not used. |
GPIO10 | 4 | I/O | PU | PU | 1.8 V | v | v | Reserved for future use. NC if not used. |
GPIO12 | 5 | I/O | PU | PU | 1.8 V | v | v | Reserved for future use. NC if not used. |
RESERVED1 | 21 | I | PD | PD | 1.8 V | x | x | Reserved for future use. NC if not used. |
RESERVED2 | 22 | I | PD | PD | 1.8 V | x | x | Reserved for future use. NC if not used. |
GPIO4 | 25 | I/O | PD | PD | 1.8 V | v | v | Reserved for future use. NC if not used. |
RESERVED3 | 62 | O | PD | PD | 1.8 V | x | x | Reserved for future use. NC if not used. Option: External TCXO. |
WLAN Functional Block: Int Signals | ||||||||
WL_SDIO_CMD_1V8 | 6 | I/O | Hi-Z | Hi-Z | 1.8 V | v | v | WLAN SDIO command |
WL_SDIO_D0_1V8 | 10 | I/O | Hi-Z | Hi-Z | 1.8 V | v | v | WLAN SDIO data bit 0 |
WL_SDIO_D1_1V8 | 11 | I/O | Hi-Z | Hi-Z | 1.8 V | v | v | WLAN SDIO data bit 1 |
WL_SDIO_D2_1V8 | 12 | I/O | Hi-Z | Hi-Z | 1.8 V | v | v | WLAN SDIO data bit 2 |
WL_SDIO_D3_1V8 | 13 | I/O | Hi-Z | PU | 1.8 V | v | v | 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. |
WL_IRQ_1V8 | 14 | O | PD | 0 | 1.8 V | v | v | SDIO available, interrupt out. Active high. (For WL_RS232_TX/RX pullup 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). |
RF_ANT2 | 18 | ANA | – | v | v | 5G ANT diversity TX/RX , 2.4G Secondary antenna MRC/MIMO only | ||
GPIO2 | 26 | I/O | PD | PD | 1.8 V | v | v | WL_RS232_RX (when WLAN_IRQ = 1 at power up) |
GPIO1 | 27 | I/O | PD | PD | 1.8 V | v | v | WL_RS232_TX (when WLAN_IRQ = 1 at power up) |
RF_ANT1 | 32 | ANA | – | v | v | 5G main ANT TX/RX, 2.4G WLAN main antenna SISO, Bluetooth | ||
WL_UART_DBG | 42 | O | PU | PU | 1.8 V | v | v | Option: WLAN logger |
Bluetooth Functional Block: Int Signals | ||||||||
BT_UART_DBG | 43 | O | PU | PU | 1.8 V | x | v | Option: Bluetooth logger |
BT_HCI_RTS_1V8 | 50 | O | PU | PU | 1.8 V | x | v | UART RTS to host. NC if not used. |
BT_HCI_CTS_1V8 | 51 | I | PU | PU | 1.8 V | x | v | UART CTS from host. NC if not used. |
BT_HCI_TX_1V8 | 52 | O | PU | PU | 1.8 V | x | v | UART TX to host. NC if not used. |
BT_HCI_RX_1V8 | 53 | I | PU | PU | 1.8 V | x | v | UART RX from host. NC if not used. |
BT_AUD_IN | 56 | I | PD | PD | 1.8 V | x | v | Bluetooth PCM/I2S bus. Data in. NC if not used. |
BT_AUD_OUT | 57 | O | PD | PD | 1.8 V | x | v | Bluetooth PCM/I2S bus. Data out. NC if not used. |
BT_AUD_FSYNC | 58 | I/O | PD | PD | 1.8 V | x | v | Bluetooth PCM/I2S bus. Frame sync. NC if not used. |
BT_AUD_CLK | 60 | I/O | PD | PD | 1.8 V | x | v | Bluetooth PCM/I2S bus. NC if not used. |
Ground Pins | ||||||||
GND | 1 | GND | – | v | v | v | ||
GND | 7 | GND | – | v | v | v | ||
GND | 9 | GND | – | v | v | v | ||
GND | 15 | GND | – | v | v | v | ||
GND | 16 | GND | – | v | v | v | ||
GND | 17 | GND | – | v | v | v | ||
GND | 19 | GND | – | v | v | v | ||
GND | 20 | GND | – | v | v | v | ||
GND | 23 | GND | – | v | v | v | ||
GND | 24 | GND | – | v | v | v | ||
GND | 28 | GND | – | v | v | v | ||
GND | 29 | GND | – | v | v | v | ||
GND | 30 | GND | – | v | v | v | ||
GND | 31 | GND | – | v | v | v | ||
GND | 33 | GND | – | v | v | v | ||
GND | 34 | GND | – | v | v | v | ||
GND | 35 | GND | – | v | v | v | ||
GND | 37 | GND | – | v | v | v | ||
GND | 39 | GND | – | v | v | v | ||
GND | 44 | GND | – | v | v | v | ||
GND | 45 | GND | – | v | v | v | ||
GND | 48 | GND | – | v | v | v | ||
GND | 49 | GND | – | v | v | v | ||
GND | 54 | GND | – | v | v | v | ||
GND | 55 | GND | – | v | v | v | ||
GND | 59 | GND | – | v | v | v | ||
GND | 61 | GND | – | v | v | v | ||
GND | 63 | GND | – | v | v | v | ||
GND | G1 – G36 | GND | – | v | v | v | ||
GND | 64 | GND | – | v | v | v |