User's Manual
BLE Key Features
• Wide Supply Voltage Range
• Normal Operation: 1.8 to 3.8 V
• External Regulator Mode: 1.7 to
1.95V
• Active-Mode RX: 5.9 mA
• Active-Mode TX at 0 dBm: 6.1 mA
• Active-Mode TX at +5 dBm: 9.1 mA
• Active-Mode MCU: 61 μA/MHz
• Active-Mode MCU: 48.5 CoreMark/mA
• Active-Mode Sensor Controller: 8.2 μA/MHz
• Standby: 1 μA (RTC Running and RAM/CPU
• Retention)
• Shutdown: 100 nA (Wake Up on External
Events)
• Powerful ARM® Cortex®-M3 with 275KB of
• Nonvolatile Memory Including 128KB of In-
System
• Programmable Flash
• Up to 28KB of System SRAM, of Which
20KB is
• Ultra-Low Leakage SRAM
• 8KB of SRAM for Cache or System RAM
Use
• External Serial Flash Memory 512Kb with
4Kb sectors and Dual I/O SPI.
• Peripherals
• 12-Bit ADC, 200-ksamples/s, 8-
Channel Analog MUX
• 15 GPIOs.
• Real-Time Clock (RTC)
• UART
• 2× SSI (SPI, MICROWIRE, TI)
• I2C
• I2S
• AES-128 Security Module
• Extensive development tools including IAR
Embedded Workbench & Code Composer
Studio.
• On-chip internal DC-DC Converter
Ethernet Key Features
• USR-TCP232-T2 is a tiny size serial TTL
UART to Ethernet module which can realize
data bidirectional transparent transmission
between TTL and RJ45 port.
• Support DNS function
• Support DHCP, automatically obtain an IP
address and query IP address through serial
setting protocol
• Set parameter through webpage and serial AT
command
• Serial port baud rate from 600 bps to 460.8
Kbps, Check bit of None, Odd, Even, Mark
and Space
• Upgrade firmware via network
• Work mode: TCP Server, TCP Client, UDP
Client, UDP Server, HTTPD Client
• Auto-MDI/MDIX, RJ45 port with
10/100Mbps.
• Restore factory default
• Heartbeat package mechanism to ensure
connection is reliable, put an end to dead link
• User-defined registration package mechanism,
check connection status and use as custom
packet header
• The global unique MAC address bought from
IEEE, user can define MAC address
• Across the gateway, switches, routers
• Support virtual serial port and provide
corresponding software USR-VCOM
• Under TCP Server mode, Client number
ranges from 1 to 16; default number is 4
• Can work in LAN, also can work in the
Internet
• Provide PC TCP/IP socket programming
example such as VB, C++, Delphi, Android
and IOS
• Support customization