NXP Semiconductors DC9S08JS16

Overview

DC9S08JS16 from P&E Microcomputer Systems is a daughter card designed for Freescale MC9S08JS16CFK microcontrollers, forming the core MCU module of the DEMO9S08JS16 development system. It provides direct signal mapping to the DEMOJM base board's MCU_PORT header, supports on-board logic analysis via PTE2/PTE3, enables USB-based debug programming through Embedded Multilink, and delivers ultra-low-power evaluation capability for HCS08-based embedded designs.

For engineers reviewing the DC9S08JS16 datasheet, DC9S08JS16 pinout, DC9S08JS16 application, or DC9S08JS16 equivalent, this page clarifies its role as a dedicated MC9S08JS16CFK carrier board - not an IC or discrete component - with verified 60-pin signal mapping, USB-debug integration, and compatibility with CodeWarrior and P&E's Embedded Multilink Toolkit for rapid firmware prototyping.

Technical Context

The DC9S08JS16 is a hardware daughter card that mounts onto the DEMOJM base board using four asymmetric 8×2 female connectors. It carries a single MC9S08JS16CFK microcontroller in a 64-pin LQFP package and maps all critical I/O signals-including TPMCH0/TPMCH1, SCI TXD/RXD, SPI, KBIP, and oscillator pins-to the MCU_PORT 64-pin header on the base board.

Signal routing is fixed per documented pin mapping: PTA0/TPMCH0 → PTE2, PTA5/TPMCH1 → PTE3, PTA6/RXD → PTA6 (mapped to PTE1), PTA7/TXD → PTA7 (mapped to PTE0), and BLMS/PTB3 → PTG0. No onboard voltage regulation, memory, or peripheral ICs are present - it serves exclusively as a mechanical and electrical interface adapter for the target MCU.

Key Specifications

Availability

DC9S08JS16 is available at Aetrix Electronics and suitable for HCS08 microcontroller evaluation, embedded firmware validation, and low-power sensor node prototyping requiring stable component supply and full toolchain integration with CodeWarrior and P&E software tools.

Supply support for DC9S08JS16 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

P&E Microcomputer Systems, Inc. is a U.S.-based developer of embedded debugging, programming, and development tools headquartered in Watertown, MA, specializing in solutions for Freescale/NXP, ARM, and other microcontroller architectures.

The DC9S08JS16 belongs to P&E's DEMO9S08JS16 development platform product line, engineered specifically to accelerate evaluation and code development for Freescale's entry-level HCS08 MCUs - emphasizing plug-and-play USB debug, real-time logic analysis, and seamless transition to custom hardware.

FAQ

Is DC9S08JS16 a standalone microcontroller or an evaluation board component?

DC9S08JS16 is not a standalone IC or complete board - it is a daughter card designed exclusively for use with the DEMOJM base board. It carries the MC9S08JS16CFK MCU and routes all its signals to the MCU_PORT header. The DC9S08JS16 must be installed on the DEMOJM to function; it has no power regulation, USB interface, or user peripherals of its own.

What microcontroller is mounted on the DC9S08JS16 daughter card?

The DC9S08JS16 daughter card is populated with the Freescale MC9S08JS16CFK - a 16KB-flash, 512B-RAM, 8-bit HCS08 microcontroller in a 64-pin LQFP package. All documentation, pin mapping, and functional behavior of the DC9S08JS16 derive directly from this specific MCU variant.

Does DC9S08JS16 include USB connectivity or debug circuitry?

No, DC9S08JS16 does not include USB transceivers, debug controllers, or virtual COM circuitry. These functions reside on the DEMOJM base board. The DC9S08JS16 provides only signal pass-through: BKGD/MS, RESET, and VDD/VSS are routed to enable P&E's Embedded Multilink debug interface on the base board.

Can DC9S08JS16 be used without the DEMOJM base board?

No - DC9S08JS16 lacks power regulation, clock sources, debug interfaces, and user I/O. It is mechanically and electrically dependent on the DEMOJM base board for operation. Attempting standalone use would result in no power delivery, no clock, and no debug or programming capability.

What software tools support DC9S08JS16 development?

DC9S08JS16 is fully supported by Freescale CodeWarrior Development Studio for HCS08 and P&E's Embedded Multilink Toolkit, including Logic Analyzer, Terminal, Unsecure, Accelerometer Demo, and Serial Grapher applications. All tools communicate via the DEMOJM's USB interface and require the DC9S08JS16 to be correctly seated on the base board.