NXP Semiconductors MC9S12B64VPVE

Overview

MC9S12B64VPVE from Freescale Semiconductor is a 16-bit automotive-grade Flash microcontroller featuring 64KB Flash EEPROM, 2KB RAM, 1KB EEPROM, an 8-channel 10-bit ADC, 8-channel PWM, dual SCI, SPI, I²C, and one CAN 2.0A/B software-compatible module - deployed in body control modules and lighting systems requiring deterministic real-time response.

For engineers reviewing the MC9S12B64VPVE datasheet, MC9S12B64VPVE pinout, MC9S12B64VPVE application, or MC9S12B64VPVE equivalent, key selection criteria include its 112-pin LQFP package, 5V-tolerant I/O with Wake-Up capability on Ports H, J, and P, PLL-based bus speed up to 25 MHz, and MSCAN12 module supporting 1 Mbps CAN communication with programmable identifier filtering.

Technical Context

The MC9S12B64VPVE implements the CPU12 core with M68HC11 instruction set compatibility, 20-bit ALU, and instruction queue for deterministic execution. Its System Integration Module (SIM) integrates clock generation (PLL + crystal oscillator), interrupt control, memory mapping, and background debug mode (BDM) via single-wire interface.

Peripheral integration includes MSCAN12 with five receive and three transmit buffers, flexible 2×32-bit/4×16-bit/8×8-bit ID filter, and four dedicated CAN interrupts; TIM module provides eight input capture/output compare channels and 16-bit pulse accumulation; ADC supports external trigger and 10-bit resolution across eight analog inputs in the 80-pin variant - though MC9S12B64VPVE uses the 112-pin LQFP configuration with 16 ADC channels.

Key Specifications

Pinout & Package

MC9S12B64VPVE is housed in a 112-pin Low-Profile Quad Flat Package (LQFP), measuring 20 mm × 20 mm with 0.65 mm lead pitch. The package supports 5V-tolerant digital I/O, dual supply (5V I/O/A/D, 2.5V logic), and industrial temperature range operation.

Key Features

Applications

Equivalent & Alternatives

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

Compared with MC9S12B64VPVE, MC9S12B128CPVE offers expanded memory headroom within the same 112-pin LQFP footprint, while S912XDP512J0VLQ introduces architectural enhancements (XGATE, LINPHY) that necessitate board-level redesign but enable advanced networking and computational capabilities.

Availability

MC9S12B64VPVE is available at Aetrix Electronics and suitable for automotive body electronics, lighting control systems, and climate management applications requiring stable component supply across extended product lifecycles.

Supply support for MC9S12B64VPVE 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

Freescale Semiconductor (now part of NXP Semiconductors) is a fabless semiconductor company specializing in embedded processors, analog, and connectivity solutions for automotive, industrial, and consumer markets.

The MC9S12B-Family was designed specifically for cost-sensitive automotive multiplexing applications - delivering scalable memory/peripheral configurations while maintaining full pin compatibility across variants to streamline platform development.

FAQ

What is the maximum bus speed supported by the MC9S12B64VPVE?

The MC9S12B64VPVE supports a maximum bus speed of 25 MHz, achieved via its integrated Phase-Locked Loop (PLL) circuit which multiplies the external crystal frequency. This 25 MHz bus speed corresponds to a 50 MHz core equivalent, enabling deterministic real-time execution in automotive control loops while maintaining EMI compliance in vehicle harness environments. The MC9S12B64VPVE achieves this performance within its 112-pin LQFP package without requiring external clock synthesis components.

Does the MC9S12B64VPVE support CAN FD or only classical CAN?

The MC9S12B64VPVE implements the MSCAN12 module, which is compliant with CAN 2.0A/B specifications only and does not support CAN FD. It operates at up to 1 Mbps with five receive and three transmit buffers, programmable identifier filtering, and dedicated CAN interrupts. For CAN FD functionality, designers must select newer NXP S32K or MagniV families - the MC9S12B64VPVE remains optimized for classical CAN networks used in legacy and mid-tier automotive ECUs where protocol compatibility and cost efficiency are prioritized over increased bandwidth.

How many analog input channels does the MC9S12B64VPVE support?

The MC9S12B64VPVE supports 16 analog input channels via its 10-bit Analog-to-Digital Converter (ADC), as confirmed by its 112-pin LQFP package configuration. This is explicitly documented in Table 1 of the family datasheet, which lists "16ch" for A/D under the 112LQFP row for MC9S12B64. These channels are mapped to dedicated pins including PAD0–PAD15 and AN0–AN15, enabling simultaneous sampling of multiple vehicle sensors such as temperature, voltage, and position transducers in body control applications.

Is the MC9S12B64VPVE RoHS-compliant and lead-free?

Yes, the MC9S12B64VPVE is RoHS-compliant and lead-free, consistent with Freescale's environmental product program launched prior to the 2006 EU RoHS directive enforcement. The "VPVE" suffix denotes the 112-pin LQFP package with green (halogen-free) molding compound and lead-free terminations. Electrical and thermal performance matches its non-RoHS counterpart, and no derating or design adjustments are required when substituting into existing automotive PCB assemblies meeting IPC-J-STD-020 moisture sensitivity and reflow profile requirements.

What debug interface does the MC9S12B64VPVE use, and how many pins are required?

The MC9S12B64VPVE uses Freescale's single-wire Background Debug Mode (BDM), requiring only the BKGD pin (Pin 60 in 112-pin LQFP) plus ground for full in-circuit debugging, flash programming, and real-time register inspection. This eliminates the need for JTAG cabling or additional debug headers, reducing test fixture complexity and PCB space. The BDM interface supports hardware breakpoints, memory read/write, and non-intrusive execution control - making it ideal for production programming and field diagnostics in automotive manufacturing and service environments.