4: Specifications
xPico® Embedded Device Server Integration Guide
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Table 4-5 xPico Wi-Fi Technical Specification
Category
Description
CPU, Memory
Cortex M3 CPU, 1MB Flash, 128KB+4KB SRAM, Additional 1MB on
board Flash
Firmware
Upgradeable via TFTP and serial port
WLAN Standards
802.11 b/g/n Wireless LAN with external antenna
Antenna Connector
U.FL connector for external antenna
Frequency Band
2.400Ghz to 2.484Ghz
Channel Support
Channel 1 to Channel 14
Modulation
DSSS, CCK, OFDM, BPSK, QPSK, 16QAM, 64QAM
Protocols Supported
ARP, UDP/IP, TCP/IP, Telnet, ICMP, SNMP, DHCP, BOOTP, TFTP,
Auto IP, SMTP, and HTTP
Data Rates 802.11b
1, 2, 5.5, 11 Mbps
Data Rates 802.11g
6, 9, 12, 18, 24, 36, 48, 54 Mbps
Date Rates 802.11n
HT20 MCS0 (6.5Mbps) to HT20 MCS7 (65Mbps)
802.11b, CCK Mode
Average Output Power
16.5 +/- 1.5dBm Typical @ 25C
802.11g, OFDM Mode
Average Output Power
15 +/- 1.5dBm, Typical @ 25C, 6Mbps
13 +/- 1.5dBm, Typical @ 25C, 54Mbps
802.11n, OFDM Mode
Average Output Power
14.5 +/- 1.5dBm, Typical @ 25C, MCS0
12 +/- 1.5dBm, Typical @ 25C, MCS7
802.11b
Average Output EVM
IEEE Spec -10dBm
802.11g
Average Output EVM
IEEE Spec, -5dB @ 6Mbps
IEEE Spec, -25dB @ 54Mbps
802.11n
Average Output EVM
IEEE Spec, -5dB @ MCS0
IEEE Spec, -28dB @ MCS7
802.11b, PER <8%
RX Sensitivity @ 1Mbps
-93dBm Typical
-89dBm Min
802.11b, PER <8%
RX Sensitivity @ 11Mbps
-88dBm Typical
-84dBm Min
802.11g, PER <10%
RX Sensitivity @ 6Mbps
-87dBm Typical
-83dBm Min
802.11g, PER <10%
RX Sensitivity @ 54Mbps
-74dBm Typical
-70dBm Min
802.11n, PER <10%
RX Sensitivity @ MCS0
-87dBm Typical
-83dBm Min
802.11n, PER <10%
RX Sensitivity @ MCS7
-71dBm Typical
-67dBm Min
Serial Interface
CMOS (Asynchronous) 3.3V-level signals
Rate is software selectable: 300 bps to 921600 bps
Serial Line Formats
Data bits: 7 or 8 Stop bits: 1 or 2 Parity: odd, even, none
Modem Control
DTR/DCD, CTS, RTS <- Serial 1 only
Flow Control
Serial 1: XON/XOFF (software), CTS/RTS (hardware)
Serial 2: XON/XOFF (software)
Programmable I/O
8 PIO pins (software selectable), sink or source 4mA max.
LEDs
WLAN Status, System Status logic level outputs