Microchip Technology DVA16XP282

Overview

DVA16XP282 from Microchip Technology Inc. is a device adapter for the MPLAB ICE 2000 in-circuit emulator system, designed specifically for 28-pin DIP target boards hosting PICmicro MCUs supported by PCM16XB0/B1, PCM16XE0/E1, PCM16XK0, or PCM16XL0 processor modules. It provides mechanical and electrical interface compatibility, includes jumper-configurable Timer1 oscillator circuitry (32–40 kHz), supports OSC1/OSC2 routing, and draws ≤10 mA from the target system.

For engineers reviewing the DVA16XP282 datasheet, DVA16XP282 pinout, DVA16XP282 application, or DVA16XP282 equivalent, this page delivers verified mechanical dimensions (2.000" × 2.100"), jumper-controlled T1OSC enable/disable behavior, DIP footprint compatibility, target voltage support (2.0V–5.5V), and integration requirements with specific processor modules - all critical for emulator setup, debug validation, and production-grade firmware development workflows.

Technical Context

The DVA16XP282 interfaces between the MPLAB ICE 2000 emulator pod and 28-pin DIP target boards, enabling real-time emulation of PICmicro MCUs. Its design incorporates a dedicated Timer1 oscillator circuit (32–40 kHz) and configurable jumper J1 to control RC0/T1OSO/T1CKI and RC1/T1OSI/CCP2 signal routing.

Jumper J1 must be shorted across pins 2–3 to enable Timer1 oscillator input (assigning RC0 → T1OSO, RC1 → T1OSI); shorting pins 1–2 disables it (assigning RC0 → RC0/T1CKI, RC1 → RC1/CCP2). This adapter is explicitly validated only with PCM16XB0/B1, PCM16XE0/E1, PCM16XK0, and PCM16XL0 processor modules - software-based T1OSCEN control is not supported on those modules.

Key Specifications

Availability

DVA16XP282 is available at Aetrix Electronics and suitable for embedded firmware validation, production test fixture integration, and PIC microcontroller debug infrastructure requiring stable component supply, long-term lifecycle continuity, and traceable sourcing for industrial and automotive ECUs.

Supply support for DVA16XP282 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

Microchip Technology Inc. is a U.S.-based semiconductor company specializing in microcontrollers, analog devices, and development tools for embedded control applications.

The DVA16XP282 belongs to Microchip's MPLAB ICE 2000 device adapter product line, engineered to provide reliable, low-parasitic, pin-accurate physical interface solutions between the emulator pod and legacy DIP-packaged PICmicro MCUs during firmware development and validation.

FAQ

What is the primary function of the DVA16XP282 in the MPLAB ICE 2000 system?

The DVA16XP282 serves as a dedicated device adapter that physically and electrically connects the MPLAB ICE 2000 emulator pod to 28-pin DIP target boards running PICmicro MCUs. It enables accurate signal routing (including OSC1/OSC2 and Timer1 oscillator paths), provides mechanical alignment, and ensures proper power and clock domain isolation. The DVA16XP282 is essential for achieving functional emulation fidelity with supported processor modules like PCM16XB0 and PCM16XL0.

Which processor modules are explicitly compatible with the DVA16XP282?

The DVA16XP282 is explicitly validated for use only with PCM16XB0/B1, PCM16XE0/E1, PCM16XK0, and PCM16XL0 processor modules. These modules require hardware-level Timer1 oscillator control via jumper J1 - software T1OSCEN bit configuration is unsupported. Using the DVA16XP282 with any other processor module (e.g., PCM16XA0 or PCM17XA0) is not documented or guaranteed per Microchip DS51140M.

How does jumper J1 on the DVA16XP282 affect pin functionality?

Jumper J1 on the DVA16XP282 determines whether RC0/T1OSO/T1CKI and RC1/T1OSI/CCP2 pins operate in Timer1 oscillator mode or standard I/O mode. Shorting J1 pins 2–3 enables the oscillator (RC0 → T1OSO, RC1 → T1OSI); shorting pins 1–2 disables it (RC0 → RC0/T1CKI, RC1 → RC1/CCP2). This hardware-selectable behavior is mandatory for correct operation with PCM16XB0/B1 and related modules.

Does the DVA16XP282 support surface-mount packages like SOIC or QFP?

No - the DVA16XP282 is strictly a 28-pin DIP (dual in-line package) device adapter with a 0.300" width footprint. It does not directly support SOIC, SSOP, QFP, or TQFP packages. For surface-mount emulation, users must pair the DVA16XP282 with an appropriate transition socket (e.g., Samtec APA series) or select a different adapter such as DVA16PQ441 for 44-pin TQFP targets.

What is the maximum current draw from the target board when using the DVA16XP282?

The DVA16XP282 draws a maximum of 10 mA from the target board's VCC supply - this load persists even when the emulator pod powers the processor module and supplies the internal clock. This current powers oscillator circuitry and level-shifting components on the adapter itself, and must be accounted for in low-power target designs where supply headroom is constrained.