User Manual

Redpine Signals, Inc. Page 10
R
R
S
S
-
-
W
W
C
C
-
-
3
3
0
0
1
1
E
E
v
v
a
a
l
l
u
u
a
a
t
t
i
i
o
o
n
n
B
B
o
o
a
a
r
r
d
d
U
U
s
s
e
e
r
r
G
G
u
u
i
i
d
d
e
e
V
V
e
e
r
r
s
s
i
i
o
o
n
n
2
2
.
.
5
5
1
1
be left open
12
NC
-
No connect
13
BT_PRIORITY
Input
Used to indicate through logic
high that BT is transmitting high
priority traffic. When BT
coexistence is not used, this pin
should be grounded
14
NC
-
No connect
15
WLAN_ACTIVE
Output
Used for BT Coexistence. It
indicates with logic high that
WLAN activity is in progress.
When low, BT device has the
opportunity to transmit. Not used
in current firmware, should be
left open
16
NC
-
No connect
17
NC
-
No connect
18
NC
-
No connect
19
NC
-
No connect
20
GND
-
Ground
Table 3: General Purpose Header (RS-WC-301-EVB)
Pin
number
Pin name
Direction
Description
1
SPI_READY
Output
Handshake signal used in SPI
mode and connected to a GPIO
pin of the Host MCU. In other
modes, this signal can be left
open
2
NC
-
No connect
3
RESET_N
Input
Active low reset input. This can be
connected to the Host MCU to
reset the module from the Host. If
not used, should be left open
4
NC
-
No connect
5
WAKEUP
Input
The module wakes up from sleep
if a logic high is driven into this
pin. Used only in SPI mode,
should be left open in UART mode
6
PT_GPIO2
Output
Pass through output pin
controllable by Host software. Not
used in current firmware, should
be left open
7
NC
-
No connect
8
PT_GPIO1
Output
Pass through output pin
controllable by Host software. Not
used in current firmware, should