Analog Devices Inc./Maxim Integrated ZA9L1069NW2CSGA422

Overview

The ZA9L1069NW2CSGA422 from Maxim Integrated is a PCI 2.0-compliant, high-security ARM922T-based SoC microcontroller operating at 200MHz, featuring 64KB zero-wait-state SRAM, dual 256-pin LFBGA package (1.0mm pitch), and integrated tamper detection, secure boot ROM, and NIST 800-22-compliant RNG - deployed in EFTPOS terminals and PIN pads.

For engineers reviewing the ZA9L1069NW2CSGA422 datasheet, ZA9L1069NW2CSGA422 pinout, ZA9L1069NW2CSGA422 application, or ZA9L1069NW2CSGA422 equivalent, key selection criteria include PCI-aligned security features (voltage/temperature/frequency sensors, active zeroization), ISO 7816 smart card UARTs, 3-track magnetic stripe reader interface, and dual external bus architecture supporting SDRAM up to 512MB.

Technical Context

The ZA9L1069NW2CSGA422 implements an ARM922T core with MMU enabling Linux® and Windows® Embedded CE OS support, coupled with 8KB/8KB I/D caches and JTAG ICE for debug. Its security subsystem integrates tamper-sensing circuits (voltage, temperature, frequency, wire mesh), battery-backed 4KB secure SRAM with fast erase, and cryptographically verified boot using customer-unique keys.

Peripherals include three UARTs (one 8-wire, two 4-wire), two dedicated SPI interfaces, USB 2.0 OTG, nine timers with PWM, 4-channel 10-bit ADC (45ksps), eight DMA channels, and dual ISO 7816 smart card UARTs - all mapped via pin-muxed GPIOs across two 256-ball LFBGA packages.

Key Specifications

Pinout & Package

ZA9L1069NW2CSGA422 is housed in a 256-ball fine-pitch LFBGA (1.0mm pitch) with exposed thermal pad. Ball assignment follows Maxim's standardized pin-muxing scheme for secure POS SoCs, supporting simultaneous LCD, keypad, smart card, and magstripe interfaces.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar secure microcontroller applications.

Compared with Infineon SLB9670 and NXP LPC1788, the ZA9L1069NW2CSGA422 uniquely combines full ARM922T application processing, PCI-aligned physical security, and integrated payment-specific peripherals - making it the only single-chip solution qualified for EFTPOS and PIN pad certification under PCI PTS v2.0.

Availability

ZA9L1069NW2CSGA422 is available at Aetrix Electronics and suitable for EFTPOS terminals, PIN pads, and electronic payment peripherals requiring stable component supply, long-term lifecycle assurance, and PCI-compliant security certification support.

Supply support for ZA9L1069NW2CSGA422 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

Maxim Integrated (now part of Analog Devices) designs precision analog, mixed-signal, and secure microcontroller solutions for industrial, healthcare, and transaction security markets.

The ZA9L1069NW2CSGA422 belongs to the Zatara® family of PCI-certified secure SoCs, engineered specifically to replace multi-chip payment controller designs with a single, tamper-resistant, standards-compliant microcontroller platform.

FAQ

What security certifications does the ZA9L1069NW2CSGA422 support?

The ZA9L1069NW2CSGA422 is designed to meet Payment Card Industry (PCI) PTS v2.0 physical and logical security requirements. It includes voltage, temperature, and frequency sensors; tamper switch inputs; clock glitch protection; and battery-backed secure SRAM with active zeroization - all essential for PCI PTS evaluation. The ZA9L1069NW2CSGA422 itself is not pre-certified; final certification requires lab testing of the end-product design.

Does the ZA9L1069NW2CSGA422 include a built-in real-time clock (RTC)?

Yes, the ZA9L1069NW2CSGA422 integrates a dedicated real-time clock (RTC) with separate 32.768kHz oscillator inputs (RTC_XIN/RTC_XOUT) and battery-backup capability. This allows timekeeping to continue during main power loss, supporting audit logging and secure timestamping in PCI-compliant applications - a critical function for the ZA9L1069NW2CSGA422 in EFTPOS and PIN pad deployments.

What is the purpose of the secure boot ROM in the ZA9L1069NW2CSGA422?

The secure boot ROM in the ZA9L1069NW2CSGA422 performs cryptographic verification of the application image at power-up using customer-unique keys. This prevents unauthorized or malicious firmware from executing, enforcing chain-of-trust integrity. Because keys are customer-specific, each ZA9L1069NW2CSGA422 variant has a unique part number - the ZA9L1069NW2CSGA422 reflects one such customer-qualified configuration.

Can the ZA9L1069NW2CSGA422 interface directly with a 3-track magnetic stripe reader?

Yes, the ZA9L1069NW2CSGA422 includes a dedicated 3-track magnetic stripe reader interface with analog front-end circuitry, track signal conditioning, and digital decoding logic. It supports standard ISO/IEC 7811 formats and eliminates the need for external magstripe decoder ICs - a key integration advantage of the ZA9L1069NW2CSGA422 for payment terminal designs.

What operating systems are supported by the ZA9L1069NW2CSGA422?

The ZA9L1069NW2CSGA422 supports Linux® and Windows® Embedded CE operating systems due to its ARM922T core with Memory Management Unit (MMU). The MMU enables virtual memory management and process isolation - essential for multi-tasking secure applications. This OS compatibility is confirmed in the ZA9L1069NW2CSGA422 functional documentation and validated in reference designs targeting EFTPOS and PIN pad use cases.