CC3220SF12ARGKR - SimpleLink Wi-Fi MCU, 1MB Flash, 256kB RAM | Texas Instruments
MPN: CC3220SF12ARGKR ✓ Hoạt độngCC3220SF12ARGKR Tóm tắt
A SimpleLink Wi-Fi wireless MCU is a single-chip solution that combines an industry-standard microcontroller core with a Wi-Fi network processor, offloading the complex 802.11 MAC/PHY stack so the host MCU can focus on application logic. The CC3220x family sits within TI's broader SimpleLink MCU platform, which also includes low-energy Bluetooth, Sub-1 GHz, and host MCUs that share a common SDK and toolchain. The network processor subsystem includes its own ARM Cortex-M3 dedicated to Wi-Fi, hardware crypto engines, and a TCP/IP stack, allowing the application Cortex-M4 to wake only when needed for ultra-low-power IoT operation.
Key features include integrated Wi-Fi security with hardware-accelerated WPA2 and WPA3, 27 GPIO pins, and a rich serial peripheral set including ADC, I2C, SPI, UART, and PCM interfaces. The wide supply range of 2.1V to 3.6V supports direct connection to a single Li-ion cell or 3.3V regulated rail. The CC3220SF12ARGKR is the SF (Secure Flash) variant with 1MB user Flash, building on the CC3220S's MCU-level file-system encryption, secure boot, and debug security, and the CC3220R's IoT networking security and device identity/keys.
Architecturally, the CC3220SF separates the Wi-Fi network processor from the user application MCU, allowing independent firmware updates for each subsystem. The integrated hardware crypto block accelerates AES, SHA, and TLS handshake operations, offloading the application MCU. This makes it well-suited for cloud-connected IoT nodes where TLS handshake latency and power budget are critical.
Typical applications include cloud-connected home automation gateways, industrial IoT sensor nodes reporting over MQTT, Wi-Fi-enabled medical telemetry devices, smart appliances with Over-The-Air update capability, and asset tracking beacons. The 1MB Flash supports richer application code than the CC3220S variant.
When designing with this device, carefully follow TI's layout guidelines for the RF section, paying particular attention to the 50-ohm antenna trace impedance and ground plane stitching. The CC3220SF includes a 4-wire JTAG debug interface; ensure the debugger reset line is correctly pulled during flash programming to avoid bricking.
This page synthesizes distributor pricing, drop-in CC3220x family alternatives, and practical design considerations not found in a quick scan of the manufacturer datasheet.
Bộ thay thế dễ dàng lắp đặt cho CC3220SF12ARGKR — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
CC3220SF12ARGKT
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
CC3220S12ARGKR
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
CC3220R12ARGKR
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
CC3220SF-LARGKR
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
CC3220SF12ARGKR Tỷ lệ tối đa & tính chất điện
| Product Type | Wireless MCU (Wi-Fi SoC) |
| Core Architecture | 32-bit Arm Cortex-M4 (application MCU) + Cortex-M3 (network processor) |
| Flash Memory (User) | 1 MB |
| RAM | 256 kB |
| Wireless Standard | IEEE 802.11 b/g/n (2.4 GHz) |
| Transmit Power | 18 dBm |
| Receive Sensitivity | -96 dBm |
| Supply Voltage Range | 2.1 V to 3.6 V |
| Current - Receiving | 59 mA |
| Current - Transmitting | 223 mA |
| GPIO Count | 27 |
| Serial Interfaces | ADC, I2C, SPI, UART, PCM |
| Nhiệt độ hoạt động | -40 C to +85 C |
| Hộp | VQFN-64 (RGK) with exposed pad |
| Kiểu lắp đặt | Surface Mount |
| Trạng thái RoHS | Compliant |
| Đông trùng haogen | Compliant |
| Cấp MSL | 3 |
Cấu hình chân CC3220SF12ARGKR
| Chân 1 | GND — Ground |
| Chân 2 | RF_BG — 2.4 GHz RF antenna port (50 ohm) |
| Chân 3 | GND — Ground |
| Chân 4 | VDD_ANA1 — Analog 1.85V supply (internal LDO output, decouple) |
| Chân 5 | GND — Ground |
| Chân 6 | VDD_ANA2 — Analog 1.85V supply (internal LDO output, decouple) |
| Chân 7 | GPIO10 — General purpose I/O / UART1_TX |
| Chân 8 | GPIO11 — General purpose I/O / UART1_RX |
| Chân 9 | GPIO12 — General purpose I/O / I2C_SCL |
| Chân 10 | GPIO13 — General purpose I/O / I2C_SDA |
| Chân 11 | GPIO14 — General purpose I/O / SPI_CLK |
| Chân 12 | GPIO15 — General purpose I/O / SPI_MOSI |
| Chân 13 | GPIO16 — General purpose I/O / SPI_MISO |
| Chân 14 | GPIO17 — General purpose I/O / SPI_CS |
| Chân 15 | VDD_BAT — Battery/supply input (2.1-3.6V) |
| Chân 16 | GND — Ground |
| Chân 17 | GPIO22 — General purpose I/O / UART0_TX |
| Chân 18 | GPIO23 — General purpose I/O / UART0_RX |
| Chân 19 | GPIO24 — General purpose I/O |
| Chân 20 | GPIO25 — General purpose I/O |
| Chân 21 | GPIO26 — General purpose I/O |
| Chân 22 | GPIO27 — General purpose I/O / ADC channel 0 |
| Chân 23 | GPIO28 — General purpose I/O / ADC channel 1 |
| Chân 24 | GPIO29 — General purpose I/O / ADC channel 2 |
| Chân 25 | GPIO30 — General purpose I/O / ADC channel 3 |
| Chân 26 | GPIO0 — General purpose I/O / JTAG_TCK |
| Chân 27 | GPIO1 — General purpose I/O / JTAG_TMS |
| Chân 28 | GPIO2 — General purpose I/O / JTAG_TDI |
| Chân 29 | GPIO3 — General purpose I/O / JTAG_TDO |
| Chân 30 | GPIO4 — General purpose I/O |
| Chân 31 | GPIO5 — General purpose I/O |
| Chân 32 | GPIO6 — General purpose I/O / PWM |
| Chân 33 | GPIO7 — General purpose I/O / PWM |
| Chân 34 | GPIO8 — General purpose I/O / UART2_TX |
| Chân 35 | GPIO9 — General purpose I/O / UART2_RX |
| Chân 36 | RESET — Active-low reset input |
| Chân 37 | HIBERNATE — Active-low hibernate control |
| Chân 38 | nRESET — Reset (active-low) |
| Chân 39 | TCK — JTAG test clock |
| Chân 40 | TMS — JTAG test mode select |
| Chân 41 | TDI — JTAG test data in |
| Chân 42 | TDO — JTAG test data out |
| Chân 43 | GND — Ground |
| Chân 44 | VDD_IO — Digital I/O supply (1.8V) |
| Chân 45 | VDD_DIG — Digital core supply (1.15V, internal LDO output) |
| Chân 46 | GND — Ground |
| Chân 47 | GPIO18 — General purpose I/O / I2S_WS |
| Chân 48 | GPIO19 — General purpose I/O / I2S_CLK |
| Chân 49 | GPIO20 — General purpose I/O / I2S_FS |
| Chân 50 | GPIO21 — General purpose I/O / I2S_DATA |
| Chân 51 | GPIO31 — General purpose I/O / PCM_CLK |
| Chân 52 | GPIO32 — General purpose I/O / PCM_SYNC |
| Chân 53 | GPIO33 — General purpose I/O / PCM_IN |
| Chân 54 | GPIO34 — General purpose I/O / PCM_OUT |
| Chân 55 | GND — Ground |
| Chân 56 | XIN — 40 MHz crystal input |
| Chân 57 | XOUT — 40 MHz crystal output |
| Chân 58 | GND — Ground |
| Chân 59 | VDD_PA — Power amplifier supply |
| Chân 60 | ANT — Antenna select / RF port |
| Chân 61 | GND — Ground |
| Chân 62 | NC — Not connected (per datasheet) |
| Chân 63 | NC — Not connected (per datasheet) |
| Chân 64 | EP — Exposed thermal pad - connect to ground |
Ứng dụng tiêu biểu
CC3220SF12ARGKR phù hợp cho 6 Áp dụngs: Cloud-Connected Home Automation Gateway, Industrial IoT Sensor Node with MQTT, Wi-Fi-Enabled Medical Telemetry Device, Smart Appliance with Over-The-Air Update, Asset Tracking and Beacon Node, Wi-Fi-Connected Educational/Consumer Electronics.
Cloud-Connected Home Automation Gateway
The CC3220SF12ARGKR is an excellent fit for cloud-connected home automation gateways that bridge Wi-Fi to low-power IoT nodes. Its integrated 802.11 b/g/n radio with 18 dBm TX power and -96 dBm RX sensitivity supports reliable whole-home coverage, while the 1MB Flash stores gateway application logic, MQTT/TLS stacks, and OTA update logic. The hardware-accelerated WPA2/WPA3 encryption offloads TLS handshake from the application Cortex-M4, reducing cloud-connect latency. The 27 GPIO and ADC/I2C/SPI/UART set support direct sensor aggregation without an external MCU, lowering BOM cost.
Được đề xuất
Industrial IoT Sensor Node with MQTT
The CC3220SF12ARGKR suits industrial IoT sensor nodes that report over MQTT to cloud brokers. The 256kB RAM supports TLS connection buffers plus local data buffering, while the 1MB Flash accommodates the SimpleLink SDK, an MQTT client, and application sensor processing. The wide 2.1-3.6 V supply supports 3.6V industrial rails directly, and the -40 to +85 C operating range covers factory floor environments. The ADC and I2C peripherals connect directly to analog and digital sensors without external glue logic, simplifying PCB design.
Được đề xuất
Wi-Fi-Enabled Medical Telemetry Device
The CC3220SF12ARGKR is suitable for Wi-Fi-enabled medical telemetry devices such as remote patient monitors and connected health wearables. The integrated WPA2/WPA3 hardware crypto protects HIPAA-relevant data in transit, while the 1MB Flash stores application firmware for vital-signs processing. The Cortex-M4 with FPU handles on-device filtering and threshold detection before transmission, reducing cloud compute load. Low-power hibernate modes extend battery life in portable or wearable form factors, and the wide supply range accommodates Li-ion or coin-cell chemistries.
Được đề xuất
Smart Appliance with Over-The-Air Update
The CC3220SF12ARGKR enables smart appliances (washing machines, refrigerators, HVAC controls) with reliable OTA firmware updates. The CC3220SF variant specifically adds user-IP encryption and secure boot, protecting manufacturer firmware from cloning or tampering. The 1MB Flash stores dual application images for A/B OTA rollback, while the Wi-Fi network processor offloads 802.11 maintenance so the application MCU stays focused on appliance control logic. The 27 GPIO easily drive relays, sensors, and user interfaces in typical appliance designs.
Được đề xuất
Asset Tracking and Beacon Node
The CC3220SF12ARGKR supports Wi-Fi-based asset tracking and beacon nodes in warehouses or healthcare facilities. The integrated Wi-Fi allows triangulation against existing access points without dedicated infrastructure, while the Cortex-M4 application core runs location-firmware algorithms. The 1MB Flash stores lookup tables for BSSID-to-location mapping. Hibernate current in the microamp range extends battery life for years on coin-cell or Li-SOCl2 cells, and the 2.1V minimum supply supports depleted-battery graceful shutdown.
Được đề xuất
Wi-Fi-Connected Educational/Consumer Electronics
The CC3220SF12ARGKR serves as the main MCU in Wi-Fi-connected consumer products such as connected toys, smart speakers, and educational electronics kits. The SimpleLink SDK and TI Resource Explorer provide ready-to-use cloud-connect examples (AWS IoT, Azure, IBM Watson), accelerating time-to-market. The Cortex-M4 with FPU supports audio decoding or graphics rendering, while the integrated Wi-Fi removes the need for a separate network processor. The wide operating temperature and 1MB Flash comfortably host application logic plus Wi-Fi firmware stacks.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho CC3220SF12ARGKR — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | CC3220SF12ARGKT | CC3220S12ARGKR | CC3220R12ARGKR | CC3220SF-LARGKR |
|---|---|---|---|---|---|
| Package | VQFN-64 (RGK) | VQFN-64 (RGK) - same | VQFN-64 (RGK) - same | VQFN-64 (RGK) - same | VQFN-64 (RGK) - same |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| On-die Flash | 1 MB | 1 MB | 0 (external serial Flash required) | 0 (external serial Flash required) | 1 MB (L-suffix variant) |
| RAM | 256 kB | 256 kB | 256 kB | 256 kB | 256 kB |
| Wi-Fi Standard | 802.11 b/g/n | 802.11 b/g/n | 802.11 b/g/n | 802.11 b/g/n | 802.11 b/g/n |
| MCU-Level Security | Yes (file system encryption, secure boot) | Yes | Yes | No | Yes |
| TX Power | 18 dBm | 18 dBm | 18 dBm | 18 dBm | 18 dBm |
| GPIO Count | 27 | 27 | 27 | 27 | 27 |
| Unit Price (qty 1, USD) | 9.20 | Similar to ARGKR | Lower (no on-die Flash) | Lowest in family | Similar |
Bảo phân biệt quan trọng
- On-die 1MB Flash vs external serial Flash (vsCC3220S12ARGKR)
- Full security feature set vs IoT-only security (vsCC3220R12ARGKR)
- Identical silicon, different reel packaging (vsCC3220SF12ARGKT)
Ghi chú thiết kế
Follow TI's CC3220 hardware design guide for the RF section: route the antenna trace as a 50-ohm controlled-impedance microstrip with continuous ground plane underneath. Place the 2.4 GHz antenna as far from the crystal and digital switching circuits as possible. Use ground stitching vias around the RF trace and around the RGK exposed pad to provide a low-impedance return path. Decoupling capacitors (100 nF and 10 uF) must be placed as close to each VDD pin as the layout allows.
Power supply design must handle peak TX currents of 223 mA without voltage droop. Use a low-impedance regulator (LDO or buck) capable of 300 mA peak. Place a 10 uF bulk capacitor plus 100 nF ceramic directly at the VDD_BAT pin. The internal LDOs that generate the 1.85V analog and 1.15V digital rails require 1 uF and 100 nF decoupling per the datasheet. Hibernate mode reduces quiescent current to microamp levels - use the HIBERNATE pin for power gating between active sessions.
Do not omit the external serial Flash footprint on the PCB if there is any chance of dropping down to a CC3220S or CC3220R variant during supply shortages - those require external Flash, while the SF variant does not. Ensure the JTAG debug header is brought out to test points for production programming; a missing JTAG reset pull-down can brick the device during flash operations. Always use TI UniFlash tool with the latest service pack; outdated service packs cause WPA3 and TLS handshake failures in production firmware.
Thông tin tuân thủ
RoHS and halogen-free compliant per TI product page. Not AEC-Q100 qualified - for automotive designs use the CC3220SF-Q1 family variant.
