CY9AF155MBGL-GK9E1

Microcontrollers Overview

The CY9AF155MBGL-GK9E1 is a 32-bit microcontroller from the Infineon FM3 CY9A150RB series, built on an ARM Cortex-M3 core operating at up to 40 MHz. It features dual-bank Flash memory with a main area of 384 Kbytes and a work area of 32 Kbytes, alongside 48 Kbytes of SRAM split into two independent units. The device includes an external bus interface supporting up to 256 Mbytes of address space, multi-function serial interfaces, and various timers. It operates within a voltage range of 1.65 V to 3.6 V.

Microcontrollers Feature Summary

• Dual-operation Flash memory allows simultaneous erase, write, and read operations across upper and lower banks.
• Integrated Nested Vectored Interrupt Controller supports non-maskable interrupts and multiple peripheral interrupt priority levels.
• Multi-function Serial Interface provides selectable UART, CSIO, or I2C modes with hardware flow control capabilities.
• Comprehensive low-power consumption modes include Sleep, Stop, and Deep Standby configurations.

Microcontrollers Applications

• Embedded controllers requiring low power consumption
• Motor control applications utilizing PWM and dead time functions
• Systems requiring HDMI-CEC transmission and reception
• Industrial automation using quadrature position counters

Microcontrollers Procurement Notes

Verify the specific ordering part number against official Infineon documentation before procurement. Confirm package type and pin configuration requirements for your design. Ensure compliance with RoHS standards and check for any specific handling precautions related to moisture sensitivity. Cross-reference datasheet revisions to confirm feature availability.

Microcontrollers Selection Notes

Select this component when a 40 MHz ARM Cortex-M3 solution with extensive memory and versatile communication interfaces is required. Consider the dual-bank Flash architecture for high-throughput data processing needs. Evaluate the available I/O ports and peripheral channels against system connectivity requirements. Verify that the 1.65 V to 3.6 V supply range aligns with your power budget.

Microcontrollers Part Context

This microcontroller belongs to the FM3 family, designed for embedded control applications. It combines high performance with competitive cost and low power consumption. The series integrates standard peripherals like ADCs, timers, and communication interfaces, making it suitable for complex control tasks in industrial and consumer electronics.

Microcontrollers Replacement Considerations

Consult the official product lineup table for alternative part numbers within the CY9A150RB series. Variations exist primarily in memory size, pin count, and peripheral channel availability. Ensure functional compatibility regarding Flash capacity and I/O allocation when selecting a substitute.

Microcontrollers FAQ

Does the CY9AF155MBGL-GK9E1 support external memory expansion?

Yes, the device includes an External Bus Interface that supports SRAM, NOR Flash, and NAND Flash memory devices with up to 256 Mbytes of addressable space.

What debug interfaces are available on this microcontroller?

The CY9AF155MBGL-GK9E1 supports the Serial Wire JTAG Debug Port (SWJ-DP). Note that Embedded Trace Macrocells (ETM) support is limited to specific variants within the series.

How does the Watchdog Timer function in low-power modes?

The Hardware Watchdog Timer is clocked by the built-in Low-speed CR oscillator, allowing it to remain active in most low-power consumption modes except RTC, Stop, and Deep Standby modes.