Infineon Technologies S6E1A12B0AGP2B000

Overview

S6E1A12B0AGP2B000 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, I²C, LIN, CSIO, 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 interfaces.

For engineers reviewing the S6E1A12B0AGP2B000 datasheet, S6E1A12B0AGP2B000 pinout, S6E1A12B0AGP2B000 application, or S6E1A12B0AGP2B000 equivalent, key selection criteria include its 48-pin LQFP package, 37 fast GPIOs (some 5 V tolerant), LIN 2.1 compliance, hardware/software watchdog independence, and SW-DP debug interface with MTB trace capability.

Technical Context

This MCU implements a r0p1 revision Arm Cortex-M0+ core with NVIC supporting 32 peripheral interrupts and 4 priority levels, plus a 24-bit SysTick timer for RTOS scheduling. Its clock system integrates five sources - main oscillator (4–40 MHz), sub-clock (32.768 kHz), two CR oscillators (4 MHz / 100 kHz), and main PLL - with Clock Supervisor (CSV) for external clock failure detection and automatic reset.

The peripheral set includes three multi-function serial interfaces (configurable per channel as UART/CSIO/LIN/I²C), a 12-bit successive-approximation ADC with 0.8 µs conversion time at 5 V, quadrature position/revolution counter (QPRC) with configurable AIN/BIN/ZIN edge detection, and IGBT-mode motor control features including dead-time insertion, DTIF interrupt, and PWM waveform generation.

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 S6E1B12B0AGP2B000, this part trades Flash/SRAM headroom for cost-sensitive deployment; versus MB9BF124RPMC-G-SNE2, it delivers LIN-native integration and lower static power at the expense of computational throughput - making it optimal for resource-constrained, standards-compliant automotive and industrial nodes.

Availability

S6E1A12B0AGP2B000 is available at Aetrix Electronics and suitable for industrial sensor nodes, automotive body control modules, smart HVAC actuators, and programmable logic controller I/O modules requiring stable component supply, long-term lifecycle assurance, and qualified automotive-grade sourcing.

Supply support for S6E1A12B0AGP2B000 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 qualifications.

The S6E1A Series belongs to Infineon's FM0+ family of ultra-low-power 32-bit microcontrollers, designed specifically for cost-sensitive, battery-operated, and functionally safe embedded control applications requiring LIN, ADC, RTC, and motor interface capabilities without external support components.

FAQ

What is the maximum operating frequency and supported clock sources for S6E1A12B0AGP2B000?

The S6E1A12B0AGP2B000 operates at up to 40 MHz using its Arm Cortex-M0+ core. It supports five clock sources: main oscillator (4–40 MHz), sub-clock (32.768 kHz), built-in high-speed CR oscillator (4 MHz), built-in low-speed CR oscillator (100 kHz), and main PLL - enabling flexible trade-offs between accuracy, power, and startup time across operating modes.

Does S6E1A12B0AGP2B000 support LIN communication natively, and what protocol versions are implemented?

Yes, the S6E1A12B0AGP2B000 implements native LIN 2.1 protocol support in hardware across its configurable serial interface channels. It supports both master and slave modes, variable break field (13–16 bits), break delimiter (1–4 bits), and full error detection (parity, framing, overrun), eliminating software timing constraints and reducing CPU load in automotive body electronics.

How many general-purpose I/O pins are available, and which ones are 5 V tolerant?

The device provides up to 37 fast general-purpose I/O pins in its 48-pin LQFP package. According to the official datasheet Section 5 ("I/O Circuit Type"), pins P00–P03 and P10–P13 are explicitly specified as 5 V tolerant - allowing direct interfacing with 5 V logic or LIN transceivers without external level shifters.

What debug and trace capabilities does S6E1A12B0AGP2B000 offer for firmware development?

The MCU includes Serial Wire Debug Port (SW-DP) compliant with ARM CoreSight, supporting full JTAG-like debugging (breakpoints, watchpoints, register access) and Micro Trace Buffer (MTB) for instruction-level program flow capture. MTB uses on-chip SRAM to record execution history without external probes - essential for diagnosing timing-related faults in real-time motor control loops.