NXP Semiconductors MC9S08DV16CLC

Overview

MC9S08DV16CLC from NXP (formerly Freescale) is an 8-bit HCS08 microcontroller with 16 KB on-chip flash, 2 KB RAM, 48 MHz CPU core (20 MHz bus), and integrated MSCAN, dual SCI, SPI, I²C, 12-bit ADC, two analog comparators, RTC, and six-channel TPM. It targets automotive body electronics and industrial control where CAN connectivity, low-power operation, and robust system protection are required.

For engineers reviewing the MC9S08DV16CLC datasheet, MC9S08DV16CLC pinout, MC9S08DV16CLC application, or MC9S08DV16CLC equivalent, key selection criteria include its 16 KB flash size, CAN 2.0A/B compliance, 53 GPIO with configurable slew rate and pull devices, real-time counter with 1 kHz internal oscillator, and single-wire background debug interface.

Technical Context

The MC9S08DV16CLC implements the HCS08 CPU core with HC08 instruction set plus BGND, supporting up to 32 interrupt/reset sources. Its Multi-Purpose Clock Generator (MCG) provides PLL and FLL modes with factory-trimmed internal reference clock and ±1.5% FLL accuracy using temperature compensation.

System-level protection includes COP watchdog with dual-clock source (1 kHz internal or bus clock), low-voltage detect with reset/interrupt, illegal opcode/address detection, flash block protection, and loss-of-lock monitoring - all designed for automotive-grade reliability in harsh environments.

Key Specifications

Pinout & Package

MC9S08DV16CLC is packaged in a 48-pin LQFP (7×7 mm, 0.5 mm pitch), pin-compatible with other MC9S08DVx family members in same package variant. Pin functions align with MC9S08DV60/DV48/DV32 series documentation.

Key Features

Applications

Equivalent & Alternatives

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

Compared with MC9S08DZ60CLC, MC9S08DV16CLC offers integrated RTC and lower flash density - ideal for cost-constrained CAN nodes needing autonomous wake-up. Versus S9S08DZ128F2MLC, it trades flash capacity and CAN FD for lower unit cost and proven qualification in legacy automotive platforms.

Availability

MC9S08DV16CLC is available at Aetrix Electronics and suitable for automotive body electronics, industrial CAN networks, smart HVAC actuators, and low-power telematics gateways requiring stable component supply across multi-year production cycles.

Supply support for MC9S08DV16CLC 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 applications.

The MC9S08DV16CLC belongs to the legacy HCS08 microcontroller product line, designed specifically for cost-sensitive, CAN-enabled automotive body electronics and industrial control applications requiring high reliability and long-term supply stability.

FAQ

What is the maximum operating frequency of the MC9S08DV16CLC CPU core?

The MC9S08DV16CLC features an HCS08 CPU core with a maximum core frequency of 40 MHz and a maximum bus frequency of 20 MHz. This timing is achieved using the on-chip Multi-Purpose Clock Generator (MCG) in PLL mode, and the bus speed directly impacts peripheral timing, including CAN bit rate generation and ADC sampling intervals. The MC9S08DV16CLC must be configured correctly in MCG registers to sustain this performance across voltage and temperature ranges.

Does the MC9S08DV16CLC support CAN FD or only classical CAN?

The MC9S08DV16CLC supports only classical CAN (ISO 11898-1, CAN 2.0A/B) through its MSCAN module. It does not support CAN FD features such as flexible data-rate, extended data length, or CRC enhancements. For CAN FD applications, designers should consider newer NXP families like S32K1 or S9S08DZ with CAN FD controllers. The MC9S08DV16CLC remains fully compatible with existing CAN 2.0 networks used in legacy automotive and industrial systems.

How much RAM is available on the MC9S08DV16CLC?

The MC9S08DV16CLC includes 2 KB of on-chip RAM, as confirmed by device-specific memory mapping in the MC9S08DV60 Series Data Sheet (Rev 3, Section 4.4). While the family overview states "up to 3 KB", the actual allocation for MC9S08DV16CLC is 2 KB - sufficient for stack, heap, and peripheral buffers in typical automotive body control applications. This value is fixed per device variant and cannot be increased via configuration.

Is the MC9S08DV16CLC pin-compatible with other MC9S08DVx devices in the same package?

Yes, the MC9S08DV16CLC in the 48-pin LQFP package is pin-compatible with MC9S08DV32CLC and MC9S08DV48CLC in the same package variant. All share identical pin assignments, electrical characteristics, and peripheral mappings per the MC9S08DV60 Series Data Sheet. This allows hardware reuse across variants - for example, designing one PCB that supports 16 KB, 32 KB, or 48 KB flash versions via firmware-only differentiation.

What debug interface does the MC9S08DV16CLC use, and what tools support it?

The MC9S08DV16CLC uses a single-wire background debug (BDM) interface compliant with the Freescale/NXP BDM specification. Supported tools include the P&E Micro USB-ML-128 debugger, SEGGER J-Link with BDM firmware, and older Freescale DEMO9S08DV60 evaluation boards. Debugging requires only BKGD/MS and RESET pins - no dedicated JTAG header - enabling minimal PCB footprint and simplified bring-up for production programming and field diagnostics.