Renesas UPD78F1007F1-AN1-A

Overview

UPD78F1007F1-AN1-A from Renesas Electronics is a 16-bit single-chip microcontroller in the 78K0R/KE3-L family, featuring 128 KB on-chip Flash memory, 8 KB RAM, and integrated peripherals including 10-bit ADC (16 channels), UART, I²C, and timer modules. It operates at up to 20 MHz with supply voltage range 2.7–5.5 V and targets embedded control in industrial sensors and motor drive interfaces.

For engineers reviewing the UPD78F1007F1-AN1-A datasheet, UPD78F1007F1-AN1-A pinout, UPD78F1007F1-AN1-A application, or UPD78F1007F1-AN1-A equivalent, key selection considerations include its 64-pin LQFP package, dual voltage domains (EVDD/EVSS for analog section), and support for on-chip debug via single-wire interface - critical for cost-sensitive, space-constrained industrial firmware development.

Technical Context

The UPD78F1007F1-AN1-A implements the 78K0R CPU core with 16-bit ALU, 24-bit address space, and Harvard architecture separating program and data memory. It integrates a programmable watchdog timer, power-on reset circuit, and low-voltage detection (LVD) with 3 selectable thresholds (2.7 V, 3.3 V, 4.2 V).

Its peripheral set includes a 16-bit multifunction timer array (MTU) with complementary PWM output capability, a serial interface supporting UART/I²C/SPI modes, and an on-chip voltage regulator (REGC pin) enabling single-supply operation from 5 V while generating internal 3.3 V for logic and analog blocks.

Key Specifications

Pinout & Package

UPD78F1007F1-AN1-A is housed in a 64-pin LQFP (10 mm × 10 mm, 0.5 mm pitch) package with exposed thermal pad. Pin functions are defined across 16 I/O ports (P0–P15), dual power domains (VDD/VSS and EVDD/EVSS), and dedicated analog reference inputs (AVREF/AVSS).

Key Features

Applications

Equivalent & Alternatives

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

Compared with UPD78F1007F1-AN1-A, R5F100PLGSP#30 offers lower active power but sacrifices analog subsystem flexibility, while MB95560PFT-G-SNE1 delivers higher compute bandwidth at the cost of debug simplicity and power-mode granularity - making UPD78F1007F1-AN1-A optimal for mixed-signal industrial edge nodes requiring rapid prototyping and robust analog integration.

Availability

UPD78F1007F1-AN1-A is available at Aetrix Electronics and suitable for industrial sensor nodes, BLDC motor controllers, PLC I/O modules, and smart power outlets requiring stable component supply and long-term lifecycle support.

Supply support for UPD78F1007F1-AN1-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

Renesas Electronics Corporation is a global semiconductor leader specializing in microcontrollers, analog, power, and SoC solutions for automotive, industrial, and IoT markets.

The 78K0R/Kx3-L product line delivers cost-optimized 16-bit MCUs targeting industrial automation, motor control, and sensor interface applications with emphasis on analog integration, low-power operation, and debug accessibility.

FAQ

What is the maximum operating frequency of the UPD78F1007F1-AN1-A?

The UPD78F1007F1-AN1-A operates at a maximum system clock frequency of 20 MHz when driven by an external crystal or ceramic resonator. Its internal high-speed oscillator supports 1 to 20 MHz operation, and the CPU executes instructions at 1.25 MIPS per MHz - yielding up to 25 MIPS peak performance. This frequency rating is validated across the full −40°C to +85°C industrial temperature range and 2.7–5.5 V supply voltage.

Does the UPD78F1007F1-AN1-A support in-application programming (IAP) of its Flash memory?

Yes, the UPD78F1007F1-AN1-A supports full in-application programming of its 128 KB on-chip Flash memory. Using the built-in Flash control registers and ROM-resident bootloader, firmware can reprogram non-active sectors while executing from other Flash regions. This enables field firmware updates without halting real-time control tasks, and is implemented using Renesas' licensed SuperFlash® technology with guaranteed 100,000 write/erase cycles.

How does the dual power domain (EVDD/EVSS) improve analog performance in the UPD78F1007F1-AN1-A?

The UPD78F1007F1-AN1-A separates digital and analog power domains using dedicated EVDD/EVSS pins, allowing independent routing and filtering of analog supplies. This physical isolation reduces coupling of digital switching noise into the ADC and comparator circuits, improving effective resolution by up to 2 LSB compared to single-domain operation. The AVREF pin further enables precise scaling of the ADC reference, supporting accurate measurements even under varying load conditions.

Can the UPD78F1007F1-AN1-A generate complementary PWM signals with programmable dead time?

Yes, the UPD78F1007F1-AN1-A's Multifunction Timer Unit (MTU) supports complementary PWM output on multiple channels with fully programmable dead-time insertion (1–64 clock cycles). This feature is implemented in hardware and requires no CPU intervention, ensuring deterministic timing critical for 3-phase inverter gate driving. Dead-time values are configured via MTU register settings and remain active during all operating modes except HALT.

What debug interface does the UPD78F1007F1-AN1-A use, and which emulators are compatible?

The UPD78F1007F1-AN1-A uses Renesas' single-wire On-Chip Debug Support (OCDS) interface, requiring only the RES# pin and VDD for full debugging functionality. It is natively supported by the QB-MINI2 on-chip debug emulator and the QB-78K0RIX3 in-circuit emulator. No external JTAG header or additional pins are needed, simplifying PCB layout and reducing debug footprint versus multi-pin alternatives.