2: Functional Description
xPico® Embedded Device Server Integration Guide
18
Signal Name
xPico
Pin #
Primary Function
Reset
State
Internal
Pull-up
/Pull-
down
Driver
Strength
floating
NC
11
No Connect
NC
12
No Connect
NC
13
No Connect
WKUP
4
14
System Wake Up on Rising
Edge
Input,
floating
30K to 50K
GND
15
Signal Ground
CTS1
7
16
Serial Clear to Send
Input,
floating
30K to 50K
NC
17
No Connect
NC
18
No Connect
NC
19
No Connect
SYSTEM_LED
20
System status LED, active
high
Input,
floating
30K to 50K 8mA
GND
21
Signal Ground
DDP
2
22
USB (positive)
RXD2
23
Serial receive data input 2
Input,
floating
30K to 50K
DDM
2
24
USB Negative
TXD2
25
Serial transmit data output 2
Input,
floating
30K to 50K 8mA
CP2/INT
1
26
Configurable I/O-External
interrupt input
Input,
floating
30K to 50K 8mA
CP7/SPI_SCK
1
27
Configurable I/O/ SPI Clock
Input,
floating
30K to 50K 8mA
CP3/MISO
1
28
Configurable I/O/SPI Master
In-Slave Out
Input,
floating
30K to 50K 8mA
3V3
29
3.3V Input Power
CP4/MOSI
1
30
Configurable I/O/ SPI Master
Out-Slave In
Input,
floating
30K to 50K 8mA
3V3
31
3.3V Input Power
CP5
32
Configurable I/O
Input,
floating
30K to 50K 8mA
3V3
33
3.3V Input Power
CP6
34
Configurable I/O
Input,
floating
30K to 50K 8mA
CP1
35
Configurable I/O
Input,
floating
30K to 50K 8mA
DEFAULT#
36
Unit reset to default, active
low.
Drive low to reset unit to
Input,
floating
30K to 50K