Infineon Technologies CY9AF154NAPMC-G-JNE2

Overview

CY9AF154NAPMC-G-JNE2 from Cypress Semiconductor (acquired Spansion) is a 32-bit ARM Cortex-M3 microcontroller with dual-bank flash (496 KB + 16 KB), 64 KB on-chip SRAM (32 KB SRAM0 + 32 KB SRAM1), and integrated peripherals including 24-channel 12-bit ADC, 16-channel base timer, and HDMI-CEC/remote control receiver. It operates at up to 40 MHz and supports six low-power modes including Deep Standby RTC/STOP.

For engineers reviewing the CY9AF154NAPMC-G-JNE2 datasheet, CY9AF154NAPMC-G-JNE2 pinout, CY9AF154NAPMC-G-JNE2 application, or CY9AF154NAPMC-G-JNE2 equivalent, key selection criteria include dual-operation flash architecture, 5V-tolerant GPIO count (up to 103 pins in 120-pin LQFP), real-time clock with leap-year support, and hardware CRC accelerator for CCITT CRC16 and IEEE-802.3 CRC32.

Technical Context

This MCU implements the ARMv7-M architecture (Cortex-M3 r2p1) with NVIC supporting 48 peripheral interrupts and 16 priority levels, plus a 24-bit SysTick timer for OS task scheduling. Its memory subsystem includes dual-bank Flash enabling concurrent read-while-erase/write operations and two independent SRAM banks (SRAM0 on I/D-code bus, SRAM1 on system bus) for deterministic real-time access.

The peripheral set targets industrial and consumer embedded control: multi-function serial interface (16 channels configurable as UART/CSIO/I²C), QPRC for motor position sensing, dual watchdogs (hardware CR-based and software), and Clock Supervisor (CSV) with external clock failure detection. All operate within 1.65–3.6 V supply range and support deep-sleep wake-up via Watch Counter (max 64 s @ 32.768 kHz).

Key Specifications

Pinout & Package

Package: 120-pin LQFP (14 mm × 14 mm, 0.4 mm pitch), RoHS-compliant, moisture sensitivity level 3.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar 32-bit ARM Cortex-M3 microcontroller applications.

Compared with STM32F103VCT6 and RA4M1, CY9AF154NAPMC-G-JNE2 uniquely combines dual-bank flash for seamless firmware updates, hardware HDMI-CEC transceivers, and deep-standby RTC with configurable RAM retention-making it optimal for cost-sensitive, battery-backed consumer electronics requiring robust remote control and long-term timekeeping.

Availability

CY9AF154NAPMC-G-JNE2 is available at Aetrix Electronics and suitable for industrial motor control, smart energy metering, home appliance remote interface, and automotive body control modules requiring stable component supply across extended product lifecycles.

Supply support for CY9AF154NAPMC-G-JNE2 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

Cypress Semiconductor (now part of Infineon Technologies) designs high-performance, low-power microcontrollers and connectivity solutions for industrial, automotive, and consumer markets.

The FM3 family - including the CY9AF154NAPMC-G-JNE2 - was engineered specifically for embedded control applications demanding integrated analog peripherals, robust real-time performance, and ultra-low-power operation across wide voltage ranges.

FAQ

What is the maximum operating frequency and supported voltage range for CY9AF154NAPMC-G-JNE2?

The CY9AF154NAPMC-G-JNE2 operates at up to 40 MHz and supports a supply voltage range of 1.65 V to 3.6 V. Its internal low-voltage detector (LVD) provides two-stage monitoring (LVD1 for interrupt, LVD2 for reset), ensuring reliable operation during brownout conditions. The device maintains full functionality across this range, including all peripherals and low-power modes.

Does CY9AF154NAPMC-G-JNE2 support hardware debugging and trace capabilities?

Yes, it includes a Serial Wire JTAG Debug Port (SWJ-DP) compliant with ARM CoreSight standards. While it does not integrate Embedded Trace Macrocell (ETM), SWJ-DP enables full-cycle debugging, breakpoint setting, register inspection, and flash programming. This interface is fully supported by standard ARM toolchains including Keil MDK and IAR Embedded Workbench.

How does the dual-bank Flash architecture improve firmware update reliability?

The dual-bank Flash (496 KB upper + 16 KB lower) allows simultaneous execution from one bank while erasing/writing to the other. During OTA updates, the active bank continues running application code, eliminating system downtime. The lower bank serves as a dedicated work area, enabling atomic swap-and-verify procedures that prevent bricking due to power loss mid-update.

Can CY9AF154NAPMC-G-JNE2 interface directly with standard HDMI-CEC devices without external level-shifting?

Yes, its CEC0/CEC1 pins implement full HDMI-CEC physical layer compliance per HDMI 1.3a specification, including open-drain output with 27 kΩ pull-up, line arbitration, automatic ACK generation, and EOM/START signaling. No external transceiver or level shifter is required - the MCU drives the CEC bus directly at 3.3 V logic levels compatible with standard HDMI sink/source devices.