NXP Semiconductors MC9S12E64VFUE16R

Overview

MC9S12E64VFUE16R from NXP (formerly Freescale) is a 16-bit HCS12 microcontroller featuring 64 KB on-chip Flash, 4 KB RAM, and a 25 MHz bus speed. It integrates dual 10-bit ADCs (16-channel), 8-bit DAC, PWM with fault protection, SPI, I²C, three SCI interfaces, and background debug support. Designed for automotive body electronics and industrial control systems requiring deterministic real-time response.

For engineers reviewing the MC9S12E64VFUE16R datasheet, MC9S12E64VFUE16R pinout, MC9S12E64VFUE16R application, or MC9S12E64VFUE16R equivalent, this page delivers verified electrical specs, validated package mapping, confirmed peripheral register behavior, and real-world use-case implementation guidance - all derived from the official MC9S12E128 Data Sheet Rev. 1.07, which explicitly covers MC9S12E64 devices.

Technical Context

The MC9S12E64VFUE16R implements the HCS12 CPU core with 16-bit data path, 24-bit addressing, and instruction set backward compatibility with HC12. Its clock system includes a PLL with programmable multiplication factor (1–32×), internal voltage regulator (3.3 V), and multiple low-power modes (Stop, Wait, Pseudo-Stop).

Peripheral integration follows the modular S12 architecture: ATD10B16CV2 (dual 10-bit, 16-channel ADC), DAC8B1CV1 (8-bit single-channel DAC), PMF15B6CV2 (15-bit PWM with 6 fault inputs), and SCIV3 (three independent UARTs). All modules are memory-mapped and share a unified interrupt vector table with priority-based nesting.

Key Specifications

Pinout & Package

MC9S12E64VFUE16R is housed in a 112-pin LQFP (16 × 16 mm, 0.4 mm pitch), per Appendix B of MC9S12E128 Data Sheet Rev. 1.07. Pin functions are multiplexed across 16 I/O ports (A, B, D, E, K, M, P, Q, S, T, U) with configurable drive strength, pull-up/down, and polarity.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar 16-bit automotive microcontroller applications.

Compared with MC9S12E128VFUE, the MC9S12E64VFUE16R trades Flash/RAM capacity for lower cost and power in fixed-function BCMs; versus S912ZVL64F0MLFR, it lacks CAN FD and failsafe features but offers proven qualification history and broader toolchain support for legacy production lines.

Availability

MC9S12E64VFUE16R is available at Aetrix Electronics and suitable for automotive body electronics, industrial motor interface, and smart power distribution applications requiring stable component supply, long-term lifecycle assurance, and AEC-Q100 qualified performance.

Supply support for MC9S12E64VFUE16R 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

NXP Semiconductors is a global semiconductor leader focused on secure connectivity solutions for automotive, industrial, and IoT markets, with deep heritage in automotive microcontrollers dating to the Motorola era.

The HCS12 family - including MC9S12E64VFUE16R - was engineered for cost-sensitive, real-time automotive body and chassis control applications where deterministic timing, on-chip regulation, and debuggability outweigh raw processing throughput.

FAQ

What is the maximum operating frequency of the MC9S12E64VFUE16R bus clock?

The MC9S12E64VFUE16R supports a maximum bus clock frequency of 25 MHz, achieved via its integrated PLL with programmable multiplication factor (1–32×) and external 4–8 MHz crystal. This frequency governs instruction execution speed, peripheral timing (e.g., SCI baud rate generation), and ADC conversion rate - all verified in the MC9S12E128 Data Sheet Rev. 1.07, which explicitly applies to MC9S12E64 variants including MC9S12E64VFUE16R.

Does the MC9S12E64VFUE16R include an on-chip voltage regulator?

Yes, the MC9S12E64VFUE16R integrates the VREG3V3V2 dual-output voltage regulator, generating a stable 3.3 V supply for I/O drivers (VDDX) and internal logic (VDDR) from a 5 V input. This eliminates external regulators in 5 V automotive systems and is documented in Chapter 14 of the MC9S12E128 Data Sheet Rev. 1.07, applicable to MC9S12E64 devices.

How many analog-to-digital converter channels does the MC9S12E64VFUE16R support?

The MC9S12E64VFUE16R supports 16 analog input channels via the ATD10B16CV2 module - a dual 10-bit ADC subsystem capable of simultaneous sampling across two 16-channel banks. Channel mapping, conversion sequencing, and trigger sources (software, timer, external) are fully defined in Chapter 6 of the MC9S12E128 Data Sheet Rev. 1.07, which covers MC9S12E64 functionality.

Is the MC9S12E64VFUE16R pin-compatible with other HCS12E family members?

MC9S12E64VFUE16R uses the 112-pin LQFP package (VFUE) shared with MC9S12E128VFUE and MC9S12E32VFUE, and exhibits identical pinout per Appendix B of the MC9S12E128 Data Sheet Rev. 1.07. However, feature enablement (e.g., Flash size, RAM, peripheral count) differs - so while PCB layout is reusable, firmware must be validated per device variant.

What debug interface does the MC9S12E64VFUE16R provide?

The MC9S12E64VFUE16R includes the Background Debug Module (BDMV4), accessed via the BKGD pin, enabling single-wire in-circuit programming, real-time register inspection, and non-intrusive breakpoint execution. This interface is fully supported by CodeWarrior Development Studio and documented in Chapter 15 of the MC9S12E128 Data Sheet Rev. 1.07, applicable to MC9S12E64 devices.