Users Manual

6/20 OTX-18.US Datasheet Rev H
The following table give a detailed description of the pins.
OTX-18
pin
PSOC6x
pin
Signal
Description
1
GND
Ground
2
P6_6
SWD_IO
Serial Wire Debug Data / GPIO
3
P6_7
SWD_CLK
Serial Wire Debug Clock / GPIO
4
XRES
Reset Input (active low)
5
VREF
Analog Vref Out
6
P0_4
Wakeup
Wakeup input (selectable active high/low)
7
V_BACKUP
Backup power
8
P10_1
IO_12
General Purpose IO
9
P11_5
IO_11
General Purpose IO
10
P10_0
IO_10
General Purpose IO
11
P11_7
IO_9
General Purpose IO
12
BLE_ANT
Bluetooth Radio RF output (50 ohms)
13
V_IN
Power +3.3V
14
GND
Ground
15
P12_5
IO_8
General Purpose IO
16
P12_4
IO_7
General Purpose IO
17
P9_2
IO_6
General Purpose IO
18
P10_3
IO_5
General Purpose IO
19
P9_3
IO_4
General Purpose IO
20
P10_2
IO_3
General Purpose IO
21
P9_1
IO_2
General Purpose IO
22
P9_0
IO_1
General Purpose IO
23
GND
Ground
Table 1: OTX-18 Pin description