Infineon Technologies S6E1A11B0AGN2B000

Overview

S6E1A11B0AGN2B000 from Infineon Technologies (formerly Cypress) is a 32-bit Arm® Cortex®-M0+ microcontroller with 88 KB on-chip Flash, 6 KB SRAM, and integrated peripherals including UART/CSIO/I²C/LIN interfaces, 12-bit ADC (8 channels), RTC, QPRC, and dual watchdog timers. It operates at up to 40 MHz, supports 2.7–5.5 V supply, and targets low-power embedded control in industrial sensors and motor drives.

For engineers reviewing the S6E1A11B0AGN2B000 datasheet, S6E1A11B0AGN2B000 pinout, S6E1A11B0AGN2B000 application, or S6E1A11B0AGN2B000 equivalent, key selection criteria include its FM0+ architecture, 48-pin LQFP package, LIN 2.1 compliance, 5 V-tolerant GPIOs, and dual watchdog (hardware + software) for safety-critical firmware supervision.

Technical Context

The S6E1A11B0AGN2B000 implements the Arm Cortex-M0+ r0p1 core with NVIC supporting 32 peripheral interrupts and 4 priority levels, plus a 24-bit SysTick timer for RTOS integration. Its clock system includes five sources - main oscillator (4–40 MHz), sub-clock (32.768 kHz), two internal CR oscillators (4 MHz / 100 kHz), and main PLL - enabling flexible low-power mode transitions.

Peripheral integration includes three multi-function serial channels (configurable as UART, CSIO, LIN, or I²C), a 12-bit successive-approximation ADC with 0.8 µs conversion time at 5 V, quadrature position/revolution counter (QPRC) with 16-bit counters and configurable A/B/Z input edges, and real-time clock with leap-year support and alarm interrupt capability.

Key Specifications

Pinout & Package

Package: 48-pin LQFP (7 mm × 7 mm, 0.5 mm pitch), RoHS-compliant, moisture sensitivity level 3.

Key Features

Applications

Equivalent & Alternatives

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

Compared with S6E1B11B0AGN2B000, this part offers optimal cost/power balance for LIN-centric control; versus MB9BF516RPMC, it delivers verified automotive-grade LIN integration without external components or FPU overhead.

Availability

S6E1A11B0AGN2B000 is available at Aetrix Electronics and suitable for industrial motor control, automotive body electronics, smart sensor nodes, and energy monitoring devices requiring stable component supply and long-term lifecycle assurance.

Supply support for S6E1A11B0AGN2B000 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

Infineon Technologies is a global semiconductor leader headquartered in Munich, Germany, specializing in power management, automotive MCUs, and security solutions with strong industrial and automotive qualification heritage.

The S6E1A Series belongs to Infineon's FM0+ microcontroller product line, designed specifically for cost-sensitive, low-power embedded control applications demanding robust peripheral integration - especially LIN, RTC, and motor interface capabilities - without sacrificing Arm ecosystem compatibility.

FAQ

What is the maximum operating frequency and supported clock sources?

The S6E1A11B0AGN2B000 operates at up to 40 MHz using its Arm Cortex-M0+ core. Clock sources include an external main oscillator (4–40 MHz), 32.768 kHz sub-clock, built-in 4 MHz high-speed CR oscillator, 100 kHz low-speed CR oscillator, and a main PLL that can multiply input frequencies. All sources are selectable via software configuration and support dynamic switching between low-power and high-performance modes.

Does this MCU support LIN 2.1 communication natively?

Yes, the S6E1A11B0AGN2B000 integrates a dedicated LIN controller compliant with LIN 2.1 specification. It supports both master and slave modes, programmable break field length (13–16 bits), break delimiter generation (1–4 bits), and full error detection (parity, framing, overrun). No external transceiver is required for basic LIN node implementation, though one is needed for bus physical layer compliance.

How many I/O pins are 5 V tolerant, and which ones?

16 GPIO pins are 5 V tolerant: P00–P03, P10–P13, P20–P23, and P30–P33. This is confirmed in Section 5 ("I/O Circuit Type") and Section 3 ("Pin Assignment") of the official datasheet (002-05091 Rev. *E). These pins tolerate 5 V input even when VCC = 2.7–5.5 V, enabling direct interfacing with 5 V sensors, switches, or legacy logic without level shifters.

What debug interfaces are available, and what trace capability do they offer?

The device features Serial Wire Debug (SW-DP) with Micro Trace Buffer (MTB), providing non-intrusive instruction trace and data watchpoint capture. MTB supports circular buffer recording of program flow and memory accesses, enabling root-cause analysis of timing violations or race conditions. SW-DP uses only two pins (SWDIO/SWCLK), eliminating need for full JTAG header and reducing debug footprint on dense PCBs.