WL1801MOD_15 Datasheet, PDF (8/42 Pages) Texas Instruments – WL18xxMOD WiLink™ 8 Single-Band Combo Module –Wi-Fi®, Bluetooth®, and Bluetooth Low Energy (BLE)

WL1801MOD, WL1805MOD, WL1831MOD, WL1835MOD
SWRS152K – JULY 2013 – REVISED NOVEMBER 2014
www.ti.com
Table 4-1. Pin Description (continued)
PIN NAME
PIN TYPE/ SHUTDOWN AFTER VOLTAG
CONNECTIVITY ⁽²⁾
DIR
STATE
POWER
UP ⁽¹⁾
E LEVEL ₁₈₀₁
1805
1831
1835
DESCRIPTION
WL_SDIO_D3_1V8
13
I/O
Hi-Z
PU
1.8 V
v
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.
(1)
WL_IRQ_1V8
14
O
PD
0
1.8 V
v
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).
GPIO2
26
I/O
PD
PD
1.8 V
v
v
v
v WL_RS232_RX
(when WLAN_IRQ =
1 at power up)
2G4_ANT2_W
18
ANA
–
x
v
x
v 2.4G ant2 TX, RX
GPIO1
27
I/O
PD
PD
1.8 V
v
v
v
v WL_RS232_TX
(when WLAN_IRQ =
1 at power up)
2G4_ANT1_WB
32
ANA
–
v
v
v
v 2.4G ant1 TX, RX
WL_UART_DBG
42
O
PU
PU
1.8 V
v
v
v
v Option: WLAN logger
Bluetooth Functional Block: Int Signals
BT_UART_DBG
43
O
PU
PU
1.8 V
x
x
v
v Option: Bluetooth
logger
BT_HCI_RTS_1V8
50
O
PU
PU
1.8 V
x
x
v
v UART RTS to host.
NC if not used.
BT_HCI_CTS_1V8
51
I
PU
PU
1.8 V
x
x
v
v UART CTS from
host. NC if not used.
BT_HCI_TX_1V8
52
O
PU
PU
1.8 V
x
x
v
v UART TX to host. NC
if not used.
BT_HCI_RX_1V8
53
I
PU
PU
1.8 V
x
x
v
v UART RX from host.
NC if not used.
BT_AUD_IN
56
I
PD
PD
1.8 V
x
x
v
v Bluetooth PCM/I2S
bus. Data in. NC if
not used.
BT_AUD_OUT
57
O
PD
PD
1.8 V
x
x
v
v Bluetooth PCM/I2S
bus. Data out. NC if
not used.
BT_AUD_FSYNC
58
I/O
PD
PD
1.8 V
x
x
v
v Bluetooth PCM/I2S
bus. Frame sync. NC
if not used.
BT_AUD_CLK
60
I/O
PD
PD
1.8 V
x
x
v
v Bluetooth PCM/I2S
bus. NC if not used.
8
Terminal Configuration and Functions
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