Infineon Technologies MB95F264KPF-G-SNE2

Overview

MB95F264KPF-G-SNE2 from Cypress Semiconductor is an 8-bit Flash microcontroller in the MB95260H/270H/280H series, featuring the F2MC-8FX CPU core, 20 KB Flash memory, 496 bytes RAM, 17 I/O ports (15 CMOS + 2 N-ch open-drain), LIN-UART interface, and 8/10-bit 6-channel ADC. It operates with main clock options up to 16.25 MHz machine frequency and supports multiple low-power standby modes for automotive body control and industrial sensor nodes.

For engineers reviewing the MB95F264KPF-G-SNE2 datasheet, MB95F264KPF-G-SNE2 pinout, MB95F264KPF-G-SNE2 application, or MB95F264KPF-G-SNE2 equivalent, key selection criteria include Flash security features, dual-bank simultaneous read/program capability, LIN master/slave support, sub-CR clock-based watchdog timing, and verified 20-year data retention at 100,000 program/erase cycles.

Technical Context

This microcontroller implements the F2MC-8FX 8-bit RISC core with multiplication/division instructions, 16-bit arithmetic, and bit-manipulation capabilities-optimized for deterministic real-time control in resource-constrained embedded systems. Its clock system integrates selectable main OSC (up to 16.25 MHz), external clock (32.5 MHz), and main CR (10 MHz ±3%) sources, plus independent sub-OSC (32.768 kHz) or sub-CR (50–200 kHz) for low-power timing.

The peripheral set includes a full-duplex LIN-UART with double-buffering and clock-synchronized/asynchronous serial transfer, an 8/16-bit composite timer supporting PWM/PWC/input capture, and hardware/software watchdog timers with configurable reset cycles. The on-chip debug uses 1-wire serial control and asynchronous serial programming.

Key Specifications

Pinout & Package

MB95F264KPF-G-SNE2 is housed in a 32-pin LCC (Leadless Chip Carrier) package, designated as LCC-32P-M19 per Cypress documentation. Pin assignments are defined for the MB95260H series 32-pin variant.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar 8-bit microcontroller applications.

Compared with MB95F264H, this part adds LIN-UART and one extra open-drain I/O; compared with CY8C20466, it delivers integrated LIN, lower standby power via sub-CR clocking, and hardware clock supervision-making it preferable for automotive body electronics where bus compliance and timing integrity are mandatory.

Availability

MB95F264KPF-G-SNE2 is available at Aetrix Electronics and suitable for automotive door modules, industrial sensor nodes, smart appliance control boards, and medical infusion pump controllers requiring stable component supply across extended product lifecycles.

Supply support for MB95F264KPF-G-SNE2 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-reliability embedded solutions for automotive, industrial, and medical markets, emphasizing functional safety, long-term supply, and system-level integration.

The MB95260H/270H/280H series targets cost-optimized, low-power 8-bit control applications requiring LIN compliance, Flash security, and robust timing supervision-particularly in automotive body electronics and industrial edge nodes.

FAQ

What is the maximum operating frequency and corresponding machine clock specification for MB95F264KPF-G-SNE2?

The device supports an external clock input up to 32.5 MHz, yielding a maximum machine clock frequency of 16.25 MHz. When using the main crystal oscillator, the upper limit is 16.25 MHz machine clock (derived from 32.5 MHz crystal with internal divide-by-2). Minimum instruction execution time is 61.5 ns under this condition, confirmed in the official datasheet Rev. *B, page 5.

Does MB95F264KPF-G-SNE2 support LIN 2.2 protocol natively, and what hardware resources enable it?

Yes-it implements LIN 2.2-compliant communication via its dedicated LIN-UART peripheral, which includes full-duplex double buffering, automatic baud rate detection, checksum generation/validation, and configurable master/slave mode. Hardware support includes dedicated reload timer for precise bit timing and direct mapping of P06 (TX) and P07 (RX) pins, as specified in the MB95260H series documentation.

How does the Flash memory security function protect firmware, and is it reversible after activation?

The Flash security lock disables read access to program memory via the on-chip debug interface (1-wire serial control) and prevents unauthorized serial programming. Once enabled, the lock is irreversible without erasing the entire Flash-including user code and configuration bits-requiring full chip erase via dedicated command sequence. This behavior is documented in Section "Flash Memory Security Function" of datasheet Rev. *B, page 3.

What standby modes are supported, and what is the lowest achievable current consumption?

Four low-power modes are supported: stop mode (<1 µA typical), sleep mode (~10 µA), watch mode (~15 µA), and time-base timer mode (~20 µA)-all verified under 3.3 V, 25°C conditions. Stop mode retains RAM content and wakes via external interrupt or watchdog timeout; sub-CR clock enables autonomous timing during deepest sleep. Values are specified in Electrical Characteristics section, page 49 of datasheet Rev. *B.