Spansion S6E1A11C0AGF20000

Overview

S6E1A11C0AGF20000 from Infineon Technologies (formerly Cypress) is a 32-bit Arm® Cortex®-M0+ microcontroller with 88 KB flash, 6 KB SRAM, and integrated peripherals including 12-bit ADC (8 channels), LIN 2.1/UART/I²C/CSIO interfaces, RTC, QPRC, and dual watchdog timers. It operates up to 40 MHz at 2.7–5.5 V and targets low-power embedded control in motor drives and industrial sensors.

For engineers reviewing the S6E1A11C0AGF20000 datasheet, S6E1A11C0AGF20000 pinout, S6E1A11C0AGF20000 application, or S6E1A11C0AGF20000 equivalent, key selection criteria include its 40 MHz Cortex-M0+ core, 8-channel 12-bit ADC with FIFO, LIN 2.1 support, 37 fast GPIOs in 48-pin LQFP, and dual watchdog architecture with hardware timer clocked by 100 kHz CR oscillator.

Technical Context

This MCU implements a r0p1 revision Arm Cortex-M0+ core with NVIC supporting 32 peripheral interrupts and 4 priority levels, plus SysTick and bit-band addressing compatible with Cortex-M3. Its clock system integrates five sources: 4–40 MHz main oscillator, 32.768 kHz sub-clock, 4 MHz/100 kHz internal CR oscillators, and main PLL for frequency multiplication.

The peripheral set includes four base timers (16/32-bit reload/PWM/PPG/PWC), three multi-function timers with input capture/output compare/ADC start triggers, quadrature position/revolution counter with AIN/BIN/ZIN edge configuration, and real-time clock with leap-year correction 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 S6E1B11C0AGF20000, this part trades flash/SRAM headroom for cost-sensitive designs; versus MB9BF122RPMC, it offers lower BOM cost and guaranteed LIN timing compliance at the expense of computational throughput and FPU support.

Availability

S6E1A11C0AGF20000 is available at Aetrix Electronics and suitable for motor control systems, automotive body controllers, industrial sensor nodes, and smart power meters requiring stable component supply across extended product lifecycles.

Supply support for S6E1A11C0AGF20000 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 German semiconductor leader specializing in power management, automotive MCUs, and security solutions, with global manufacturing and R&D infrastructure.

The S6E1A Series belongs to Infineon's FM0+ family, designed specifically for cost-optimized, ultra-low-power embedded control in automotive body electronics and industrial automation where LIN, RTC, and analog integration are essential.

FAQ

What debug interface does S6E1A11C0AGF20000 support?

The device features Serial Wire Debug Port (SW-DP) compliant with ARM CoreSight standards, enabling full JTAG-style debugging including breakpoints, watchpoints, and real-time memory inspection. It also integrates Micro Trace Buffer (MTB) for instruction trace capture without external probes, supporting non-intrusive runtime analysis of interrupt latency and state transitions.

Does S6E1A11C0AGF20000 support 5 V-tolerant I/O?

Yes, specific GPIO pins-including P00–P07, P10–P17, and P20–P27-are rated for 5 V tolerance when configured as inputs, allowing direct interfacing with legacy 5 V logic without level shifters. This capability is documented in Section 5 ("I/O Circuit Type") of the datasheet and verified under recommended operating conditions at 2.7–5.5 V VCC.

How is the LIN bus implemented in hardware?

LIN functionality is implemented in dedicated peripheral logic supporting LIN 2.1 physical layer timing, automatic break field generation (13–16 bits), break delimiter (1–4 bits), and slave node response handling. The hardware handles synchronization, checksum calculation, and error detection (parity/framing/overrun), freeing the CPU from bit-level protocol management while maintaining strict baud rate accuracy.

What low-power modes are available and how do they differ?

S6E1A11C0AGF20000 offers four distinct low-power states: SLEEP (CPU halted, peripherals active), TIMER (CPU stopped, RTC/watch counter running), RTC (only RTC active), and STOP (all clocks halted except sub-clock). Each mode reduces current draw progressively-from ~100 μA in SLEEP to <1 μA in STOP-while preserving register contents and enabling wake-up via external interrupt, RTC alarm, or watch counter timeout.