Data Sheet

12
K019-CW43-DW datasheet_V1.6_15042020.doc | Shawn Xiao
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13
WL_HOST_WAKE
O
WLAN to wake-up HOST
14
SDIO_DATA_2 I/O SDIO data line 2
15
SDIO_DATA_3 I/O SDIO data line 3
16
SDIO_DATA_CMD I/O SDIO command line
17
SDIO_DATA_CLK I/O SDIO clock line
18
SDIO_DATA_0 I/O SDIO data line 0
19
SDIO_DATA_1 I/O SDIO data line 1
20
GND
－
Ground connections
21
VIN_LDO_OUT
P
Internal Buck voltage generation pin
22
VDDIO
P
I/O Voltage supply input
23 VIN_LDO
P
Internal Buck voltage generation pin
24
LPO
I
External Low Power Clock input (32.768KHz)
25 PCM_OUT
O
PCM Data output
26 PCM_CLK I/O PCM clock
27
PCM_IN
I
PCM data input
28 PCM_SYNC I/O PCM sync signal
29 WL_VDD_TCXO
I/O
－
SDIO_VOLT_SEL
30
NC
－
Floating (Don’t connected to ground)
31 GND
－
Ground connections
32 NC
－
Floating (Don’t connected to ground)
33
GND
－
Ground connections
34 BT_RST_N
I
Low asserting reset for Bluetooth core
35 NC
－
Floating (Don’t connected to ground)
36
GND
－
Ground connections
37 GPIO4 I/O WiFi Co-existence pin with LTE
38 GPIO3 I/O WiFi Co-existence pin with LTE
39
GPIO2 I/O WiFi Co-existence pin with LTE
40 GPIO1 I/O WiFi Co-existence pin with LTE
41 UART_RTS_N
O
Bluetooth UART interface
42
UART_TXD
O
Bluetooth UART interface
43 UART_RXD
I
Bluetooth UART interface
44 UART_CTS_N
I
Bluetooth UART interface
45
TP1
O
Floating (Don’t connected to ground)
46 TP2
O
Floating (Don’t connected to ground)
47 TP3 (NC)
－
Floating (Don’t connected to ground)