Compex WSD377 Hardware Manual

GPIO Pin Mapping

No. Name Type
1 GND -
2 WL_BT_ANT I/O
3 GND -
4 NC -
5 NC -
HOST_WAKE_
6 I
BT
BT_WAKE_
7 O
HOST
8 NC -
9 VCC33 P
10 GND -
11 NC -
12 WL_EN I
WL_HOST_
13 O
WAKE
14 SDIO_DATA_2 I/O
15 SDIO_DATA_3 I/O
SDIO_DATA_
16 I/O
CMD
SDIO_DATA_
17 I/O
CLK
18 SDIO_DATA_0 I/O
19 SDIO_DATA_1 I/O
20 GND -
21 GPIO11 -
22 VDDIO P
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Compex Systems Pte Ltd | www.compex.com.sg | (+65) 6288 8220 | sales@compex.com.sg | Last Updated: 24/10/2017 WH HB
Description
Ground connections
RF I/O port
Ground connections
Floating (Don't connect to
ground)
Floating (Don't connect to
ground)
HOST to wake-up Bluetooth
device
Bluetooth device to wake-up
HOST
Floating (Don't connect to
ground)
Main power voltage source
input 3.3V
Ground connections
Floating (Don't connect to
ground)
Enable pin for WLAN device
ON: pull high ; OFF: pull low
WLAN to wake-up HOST
SDIO data line 2
SDIO data line 3
SDIO command line
SDIO clock line
SDIO data line 0
SDIO data line 1
Ground connections
Reserved
I/O Voltage supply input 1.8V
or 3.3V
hardware guide - WSD377
No. Name
23 NC
24 LPO
25 PCM_OUT
26 PCM_CLK
27 PCM_IN
28 PCM_SYNC
29 NC
30 NC
31 GND
32 NC
33 GND
34 BT_EN
35 NC
36 GND
37 NC
38 NC
Debug_UART_
39
TXD
Debug_UART_
40
RXD
41 UART_RTS_N
42 UART_TXD
43 UART_RXD
44 UART_CTS_N
Type Description
Floating (Don't connect to
-
ground)
External Low Power Clock
I
input (32.768KHz)
O PCM Data output
I/O PCM clock
I PCM data input
I/O PCM sync signal
Floating (Don't connect to
-
ground)
Floating (Don't connect to
-
ground)
- Ground connections
Floating (Don't connect to
-
ground)
- Ground connections
Enable pin for Bluetooth
I device
ON: pull high ; OFF: pull low
Floating (Don't connect to
-
ground)
- Ground connections
Floating (Don't connect to
-
ground)
Floating (Don't connect to
-
ground)
Floating (Don't connect to
O
ground)
Floating (Don't connect to
I
ground)
O Bluetooth UART interface
O Bluetooth UART interface
I Bluetooth UART interface
I Bluetooth UART interface