TI's CC3100 is a SimpleLinkTM Wi-Fi network processor that can connect any low-cost, low-power MCU to the Internet of Things (IoT). The device integrates all Wi-Fi and Internet protocols, greatly reducing the main MCU's Software Requirements. The CC3100 provides a complete solution platform including tools and software, application cases, user and programming guides, reference designs and the E2E support community. This article introduces the CC3100 main features, hardware block diagrams and software block diagrams, SimpleLink Wi- Fi solution functional block diagram and application circuit, as well as electric vehicle service equipment (EVSE) with Wi-Fi function reference design TIDC-EVSE-WIFI main features, circuit diagram, bill of materials and PCB design.
The CC3100 device is the industry's first Wi-Fi CERTIFIED chip used in the wireless networking soluTIon. The CC3100 device is part of the new SimpleLink Wi-Fi family that dramatic simplifies the implementation of Internet connectivity. The CC3100 device integrates all protocols for Wi- With the security system, the CC3100 device provides a robust and simple security experience. Additionally, the CC3100 device is a complete platform solution including various tools and software, sample applications, user And programming guides, reference designs and the TI E2ETM support community. The CC3100 device is available in an easy-to-layout QFN package.
The Wi-Fi network processor subsystem features a Wi-Fi Internet-on-a-Chip and contains an additional dedicated ARM MCU that completely offloads the host MCU. This subsystem includes an 802.11 b/g/n radio, baseband, and MAC with a powerful crypto engine for fast, secure Internet connections with 256-bit encryption. The CC3100 device supports Station, Access Point, and Wi-Fi Direct modes. The device also supports WPA2 personal and enterprise security and WPS 2.0. /IP and TLS/SSL stacks, HTTP server, and multiple Internet protocols.
The power-management subsystem includes integrated DC-DC converters supporting a wide range of supply voltages. This subsystem enables low-power consumption modes, such as the hibernate with RTC mode requiring about 4 μA of current.
The CC3100 device can connect to any 8, 16, or 32-bit MCU over the SPI or UART Interface. The device driver minimizes the host memory footprint requirements arrangements less than 7KB of code memory and 700 B of RAM memory for a TCP client application .
Main features of CC3100:
CC3100 SimpleLink Wi-Fi Consists of Wi-Fi Network Processor and Power-Management Subsystems
Wi-Fi CERTIFIEDTM Chip
Wi-Fi Network Processor Subsystem
Featuring Wi-Fi Internet-On-a-ChipTM
Dedicated ARM MCU
Completely Offloads Wi-Fi and Internet Protocols from the External Microcontroller
Wi-Fi Driver and Multiple Internet Protocols in ROM
802.11 b/g/n Radio, Baseband, and Medium Access Control (MAC), Wi-Fi Driver, and Supplicant
TCP/IP Stack
Industry-Standard BSD Socket Application Programming Interfaces (APIs)
8 Simultaneous TCP or UDP Sockets
2 Simultaneous TLS and SSL Sockets
Powerful Crypto Engine for Fast, Secure Wi-Fi and Internet Connections with 256-Bit AES Encryption for TLS and SSL Connections
Station, AP, and Wi-Fi Direct® Modes
WPA2 Personal and Enterprise Security
SimpleLink Connection Manager for Autonomous and Fast Wi-Fi Connections
SmartConfigTM Technology, AP Mode, and WPS2 for Easy and Flexible Wi-Fi Provisioning
TX Power
18.0 dBm @ 1 DSSS
14.5 dBm @ 54 OFDM
RX Sensitivity
–95.7 dBm @ 1 DSSS
–74.0 dBm @ 54 OFDM
Application Throughput
UDP: 16 Mbps
TCP: 13 Mbps
Host Interface
Interfaces with 8-, 16-, and 32-Bit MCU or ASICs Over SPI or UART Interface
Low External Host Driver Footprint: Less Than 7KB of Code Memory and 700 B of RAM Memory Required for TCP Client Application
Power-Management Subsystem
Integrated DC-DC Supports a Wide Range of Supply Voltage:
VBAT Wide-Voltage Mode: 2.1 to 3.6 V
Preregulated 1.85-V Mode
Advanced Low-Power Modes
Hibernate with RTC: 4 μA
Low-Power Deep Sleep (LPDS): 115 μA
RX Traffic (MCU Active): 53 mA @ 54 OFDM
TX Traffic (MCU Active): 223 mA @ 54 OFDM, Maximum Power
Idle Connected: 690 μA @ DTIM = 1
Clock Source
40.0-MHz Crystal with Internal Oscillator
32.768-kHz Crystal or External RTC Clock
Package and Operating Temperature
0.5-mm Pitch, 64-Pin, 9-mm × 9-mm QFN
Ambient Temperature Range: –40°C to 85°C
Figure 1. Overview of the CC3100 hardware
Figure 2. Overview of the CC3100 software
Figure 3. Functional Block Diagram of the CC3100 SimpleLink Wi-Fi Solution
Figure 4. CC3100 Wide Voltage Mode Application Circuit
Figure 5. CC3100 pre-regulated 1.85V mode application circuit
Electric Vehicle Service Equipment (EVSE) with Wi-Fi function reference design TIDC-EVSE-WIFI
This verified TI Design details how to implementJ1772-compliant level 1 and level 2 electric vehicleservice equipment (EVSE) with added Wi-Fi®functionality. The CC3100 network processor enableshighly embedded devices like the EVSE to easilyconnect to an existing wireless network or directly to adevice By integrating this functionality in an EVSE, the design is capable of remote-power monitoring and control of the charging state of the connected electricvehicle.
Wi-Fi function reference design features for electric vehicle service equipment (EVSE):
• Full Implementation of J1772-Compliant ServiceEquipment
• Wi-Fi Support for Remote Monitoring and Control of EVSE
• High Current Relay Drivers for Support of HighCurrent Contactors
• Standardized Pilot Wire Signaling Protocol
• Integrated Utility Meter-Grade EnergyMeasurement
• Option for Communication Daughter Card Add-in
Featured Applications
• Level 1 and Level 2 Electric Vehicle ServiceEquipment (EVSE)
Figure 6. Reference design TIDC-EVSE-WIFI outline drawing
Figure 7. Reference design TIDC-EVSE-WIFI block diagram
Figure 8. TIDC-3PHMTR-WIFIXR system block diagram
Figure 9. Reference design TIDC-EVSE-WIFI circuit diagram (1)
Figure 10. Reference design TIDC-EVSE-WIFI circuit diagram (2)
Figure 11. Reference design TIDC-EVSE-WIFI circuit diagram (3)
Figure 12. Reference design TIDC-EVSE-WIFI circuit diagram (4)
Reference design TIDC-EVSE-WIFI material list:
Figure 13. Reference design TIDC-EVSE-WIFI PCM design (1)
Figure 14. Reference design TIDC-EVSE-WIFI PCM design (2)
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