NXP Semiconductors MC13211

Overview

MC13211 from NXP (formerly Freescale) is a system-in-package ZigBee-compliant wireless SoC integrating an IEEE 802.15.4 2.4 GHz transceiver and an HCS08 MCU core in a single 71-pin LGA package. It delivers 16 KB Flash, 1 KB RAM, -92 dBm receive sensitivity, 0 dBm nominal RF output power, and operates from 2.0–3.4 V for low-power residential automation and proprietary point-to-point networks.

For engineers reviewing the MC13211 datasheet, MC13211 pinout, MC13211 application, or MC13211 equivalent, this page provides verified technical context, validated pin functions, confirmed memory and RF specs, real-world use cases, and two documented alternative parts for SMAC-based wireless designs requiring compact, cost-optimized 2.4 GHz connectivity.

Technical Context

The MC13211 implements a tightly coupled SIP architecture where the HCS08 CPU core (40 MHz max) communicates exclusively with the 802.15.4 modem via a dedicated, 8 MHz-capable SPI interface-no external bus or arbitration logic required. All modem control, packet buffering, and spread-spectrum encoding/decoding occur on-die without host intervention.

Its RF subsystem includes an integrated T/R switch, internal VCO with programmable trim, on-chip voltage regulators for analog/digital domains, and seven dedicated modem GPIOs. The MCU supports multiple low-power modes (Stop2/Stop3), 8-channel 10-bit ADC, dual SCI, I²C, and up to 32 GPIO-all mapped to physical pins with documented electrical behavior and reset states.

Key Specifications

Pinout & Package

MC13211 uses a 71-pin LGA package (Case 1664-01, 9 mm × 9 mm × 1 mm) with exposed thermal pad. Pin functions are fully documented per Freescale MC1321x Rev. 1.8 datasheet, including dedicated SPI interconnects, RF I/O pairs (RFIN_P/M, PAO_P/M), and dual-domain power rails (VDDA, VDDD, VDDINT, VBATT).

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar 802.15.4 wireless MCU applications.

Compared with MC13224 and CC2530F128, the MC13211 offers the smallest memory footprint and lowest BOM cost for proprietary 2.4 GHz point-to-point or star networks - its 16 KB Flash and SMAC-optimized architecture reduce code size by ~40% versus full-stack alternatives while maintaining identical RF performance and regulatory certification.

Availability

MC13211 is available at Aetrix Electronics and suitable for residential automation, wireless security sensors, proprietary remote controls, and industrial asset monitors requiring stable component supply and long-term lifecycle support.

Supply support for MC13211 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

NXP Semiconductors (formerly Freescale) is a global leader in secure connectivity solutions for automotive, industrial, and IoT applications, with deep expertise in wireless SoCs and embedded security.

The MC13211 belongs to NXP's second-generation ZigBee platform, engineered specifically for cost-sensitive, battery-operated wireless endpoints requiring integrated RF and MCU functionality in minimal footprint - targeting proprietary and light-stack 802.15.4 deployments.

FAQ

What is the maximum operating frequency of the HCS08 core in the MC13211?

The MC13211 integrates the HCS08 Version A CPU core, rated for up to 40 MHz operation. This frequency is achievable using the internal clock generator (ICG) with trimming, external crystal, or CLKO output from the modem - all supported per MC1321x Rev. 1.8 datasheet Section 1.3. The MC13211 maintains full timing compliance at 40 MHz across its -40°C to +85°C operating range.

Does the MC13211 support ZigBee certification out of the box?

No, the MC13211 does not ship with full ZigBee certification. It is designed for use with Freescale's Simple MAC (SMAC), a lightweight proprietary stack optimized for point-to-point and star networks. For ZigBee-certified operation, the MC13213 (with 60 KB Flash and BeeStack) is required - the MC13211 lacks sufficient memory and software infrastructure for ZigBee 2006 or later profiles.

How is the RF section powered and regulated in the MC13211?

The MC13211 employs dedicated on-chip regulators: VDDA supplies analog RF circuits (LNA, VCO, mixer), VDDD powers digital modem logic, and VDDINT interfaces with MCU logic. VBATT feeds all regulators and must be 2.0–3.4 V. External decoupling is required per datasheet recommendations - e.g., 100 nF + 10 µF at VDDA, VDDD, and VBATT pins - to maintain RF stability and noise immunity.

Can the MC13211 operate with a single 16 MHz crystal?

Yes, the MC13211 supports single-crystal operation: the 16 MHz crystal connects to XTAL1/XTAL2 for the modem, and the CLKO pin (programmed to 16 MHz) feeds the MCU clock input. This configuration eliminates the need for a second crystal or oscillator, reducing component count and board space - confirmed in Section 1.7 and Figure 2 of MC1321x Rev. 1.8.

What debugging interface does the MC13211 provide?

The MC13211 includes an on-chip Background Debug Module (BDM) accessible via the PTG0/BKGD pin. This interface supports in-circuit debugging, flash programming, breakpoint setting, and real-time register inspection - all using standard BDM tools and protocols. No JTAG port is present; BDM is the sole debug path, as specified in Section 1.3 and Figure 1 of the MC1321x datasheet.