Renesas UPD30131F1-200-GA2-A

Overview

The UPD30131F1-200-GA2-A from NEC Electronics is a 64-/32-bit RISC microprocessor based on the MIPS III architecture, featuring a 200 MHz internal CPU core, 16 KB instruction and 16 KB data caches, integrated memory controller (SDRAM/ROM/Flash), PCI Rev2.1 interface, and IrDA/FIR/serial peripherals - designed for high-performance, ultra-low-power portable information systems.

For engineers reviewing the UPD30131F1-200-GA2-A datasheet, UPD30131F1-200-GA2-A pinout, UPD30131F1-200-GA2-A application, or UPD30131F1-200-GA2-A equivalent, key selection considerations include its dual-voltage operation (1.35–1.65 V core / 3.0–3.6 V I/O), 224-pin FBGA package, 32-bit PCI-like bus, configurable 16/32-bit external data bus, and real-time clock with battery-backed interrupt capability.

Technical Context

The UPD30131F1-200-GA2-A implements the VR4130 CPU core with a 6-stage optimized pipeline, supports MIPS16 instruction set extension, and integrates dedicated hardware for product-sum (MACC) operations. Its memory subsystem includes 32-bit physical addressing, 40-bit virtual addressing, and 32 double-entry TLBs.

Power management is enabled via five operating modes, on-chip clock generator, and dynamic voltage scaling support. Peripheral integration includes a 4-channel DMA controller, NS16550-compatible UART, 3-wire clocked serial interface, IrDA transceiver interface, debug serial port, and JTAG boundary-scan test infrastructure.

Key Specifications

Pinout & Package

UPD30131F1-200-GA2-A is housed in a 224-pin plastic FBGA (16 × 16 mm, 0.8 mm pitch) with dedicated power domains: VDD1/GND1 (1.5 V core), VDD3/GND3 (3.3 V I/O), VDDP/GNDP (PLL analog), and CVDD/CGND (oscillator).

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar embedded RISC processor applications.

Compared with UPD30131F1-200-GA2-A, the 166 MHz and 133 MHz variants retain full functional and pin compatibility but trade peak performance for lower dynamic power and simplified clock distribution - enabling thermal and cost optimization without redesigning PCB layout or firmware drivers.

Availability

UPD30131F1-200-GA2-A is available at Aetrix Electronics and suitable for battery-driven portable information systems, industrial HMI controllers, and medical point-of-care devices requiring stable component supply across long-lifecycle embedded programs.

Supply support for UPD30131F1-200-GA2-A 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

NEC Electronics Corporation (now part of Renesas Electronics) was a leading Japanese semiconductor manufacturer specializing in high-performance microprocessors, memory, and mixed-signal ICs for industrial and portable computing.

The UPD30131F1-200-GA2-A belongs to NEC's VR Series™ of ultra-low-power RISC processors, designed specifically for battery-operated portable information terminals with integrated graphics, communications, and real-time control requirements.

FAQ

What is the maximum operating frequency of the UPD30131F1-200-GA2-A?

The UPD30131F1-200-GA2-A has an internal maximum operating frequency of 200 MHz, achieved using its VR4130 CPU core and on-chip clock generator. This frequency is fixed for this variant and confirmed in the ordering information table of the official datasheet U16219EJ2V0DS. The UPD30131F1-200-GA2-A does not support dynamic frequency scaling beyond its rated 200 MHz operation.

Does the UPD30131F1-200-GA2-A support PCI bus interface?

Yes, the UPD30131F1-200-GA2-A supports a PCI Rev2.1–compliant interface with full signal set including AD[31:0], CBE[3:0], FRAME#, TRDY#, DEVSEL#, PERR#, and SERR#. It is intended for use as a PCI target device, not a bus master, and requires companion logic for full PCI slot implementation. The UPD30131F1-200-GA2-A datasheet explicitly confirms PCI Rev2.1 conformance in the FEATURES section.

What power supply voltages does the UPD30131F1-200-GA2-A require?

The UPD30131F1-200-GA2-A requires two independent power domains: VDD1 = 1.35–1.65 V for the core logic and cache, and VDD3 = 3.0–3.6 V for I/O, PCI interface, and peripherals. Dedicated supplies VDDP/GNDP (PLL analog) and CVDD/CGND (oscillator) are also required. The UPD30131F1-200-GA2-A datasheet specifies no sequencing requirement between VDD1 and VDD3.

How is the external data bus width configured on the UPD30131F1-200-GA2-A?

The UPD30131F1-200-GA2-A supports both 16-bit and 32-bit external data bus widths, selected by sampling the DBUS32 pin (pin M16) during RTCRST# assertion. When DBUS32 = 1, DATA[31:16] functions as upper data bus; when DBUS32 = 0, those pins become GPIO[31:16]. This configuration is latched at reset and cannot be changed dynamically during operation. The UPD30131F1-200-GA2-A pin function table documents this behavior in section 1.1(1).

Is the UPD30131F1-200-GA2-A compatible with the VRC4173 companion chip?

Yes, the UPD30131F1-200-GA2-A is explicitly designed to interface with the VRC4173 companion chip, as stated in the FEATURES section and shown in the INTERNAL BLOCK DIAGRAM (page 6). The UPD30131F1-200-GA2-A provides dedicated signals including GPIO13 (recommended for VRC4173 interrupt), LCDC interface timing, and shared memory bus control - enabling integrated LCD panel, touch panel, and PC card support without external glue logic.