Renesas R5F6416JAPFE#UA

Overview

R5F6416JAPFE from Renesas Electronics is a 32-bit CISC microcontroller in the R32C/116A Group, featuring a 64 MHz CPU core, 512 KB flash + 8 KB data flash, 96 KB RAM, IEEE-754 single-precision FPU, and 11-channel serial interface including multi-master I²C. It targets automotive audio, industrial HMI, and office equipment requiring deterministic real-time control with mixed-signal integration.

For engineers reviewing the R5F6416JAPFE datasheet, R5F6416JAPFE pinout, R5F6416JAPFE application, or R5F6416JAPFE equivalent, key selection criteria include its 176-pin LQFP package, 10-bit 34-channel ADC with self-test, 8-bit dual DAC, three-phase motor control timer, and 5 V-tolerant I/O for legacy bus interfacing.

Technical Context

The R5F6416JAPFE implements the R32C/100 Series CPU core with 108 basic instructions, 15.625 ns minimum instruction cycle at 64 MHz, 32×32→64-bit multiplier, and multiply-accumulate unit. Its memory architecture supports 4 GB address space (64 MB user-accessible) with external bus expansion including wait-state insertion and four chip-select outputs.

Peripheral integration includes DMAC (4 channels, 61 request sources), intelligent I/O (16 input-capture and 24 output-compare units), CRC-CCITT calculator, X-Y converter, and dedicated three-phase motor control timer using timers A1/A2/A4/B2 with 8-bit programmable dead-time generation.

Key Specifications

Pinout & Package

176-pin plastic molded LQFP (PLQP0176KB-A) with 0.5 mm pitch; 24 × 24 mm body size; exposed pad not specified; RoHS-compliant lead-free finish.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F6416KAPFE and R5F6416LAPFE, the R5F6416JAPFE provides optimal cost-performance balance for mid-complexity applications where 512 KB flash suffices, avoiding over-provisioned memory while retaining full peripheral compatibility and pin-for-pin upgrade path.

Availability

R5F6416JAPFE is available at Aetrix Electronics and suitable for automotive audio head units, industrial HMI controllers, and office equipment motor control systems requiring stable component supply across extended product lifecycles.

Supply support for R5F6416JAPFE 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 is a global semiconductor leader specializing in microcontrollers, analog, power, and SoC solutions for automotive, industrial, and IoT markets.

The R32C/116A Group belongs to the high-end R32C/100 Series, designed for deterministic real-time control in resource-constrained embedded systems requiring rich analog/mixed-signal integration and industrial-grade reliability.

FAQ

What is the maximum operating frequency and supply voltage range for the R5F6416JAPFE?

The R5F6416JAPFE operates at a maximum frequency of 64 MHz with a supply voltage range of 3.0 V to 5.5 V. This allows direct interfacing with both 3.3 V and 5 V logic systems while maintaining deterministic real-time performance. The device achieves a minimum instruction execution time of 15.625 ns under these conditions, making it suitable for time-critical control loops in motor and audio applications. The R5F6416JAPFE maintains full peripheral functionality across this entire voltage range.

Does the R5F6416JAPFE support on-chip debugging and in-system programming?

Yes, the R5F6416JAPFE includes full on-chip debug capability and on-board flash programming support. This enables real-time firmware debugging via JTAG or FINE interface without external emulators, and allows field firmware updates through UART or other serial interfaces. The R5F6416JAPFE also supports flash suspend/resume functions during programming, ensuring system responsiveness during partial rewrites. Security features like ROM code protect prevent unauthorized access during debug sessions.

How many analog-to-digital converter channels does the R5F6416JAPFE provide, and what is their resolution?

The R5F6416JAPFE integrates a 10-bit successive-approximation ADC with up to 34 input channels. These channels are distributed across multiple analog input groups (AN_0–AN_7, AN0_0–AN0_7, AN2_0–AN2_7, AN15_0–AN15_7) and include sample-and-hold circuitry plus self-test and open-circuit detection assist. The R5F6416JAPFE supports simultaneous sampling across selected channels and configurable conversion triggers including software, timer, and external events - critical for synchronized sensor acquisition in motor control.

What serial communication interfaces are integrated into the R5F6416JAPFE?

The R5F6416JAPFE includes 11 asynchronous/synchronous serial interface channels (UART0–UART10), with UART0–UART6 supporting I²C-bus mode, special mode 2, and optional IEBus. It also features one dedicated multi-master I²C-bus interface. Additional serial capabilities include variable-length synchronous serial I/O, intelligent I/O serial modes, and hardware flow control (CTS/RTS) on multiple channels. The R5F6416JAPFE's UARTs can be configured for RS-232, RS-485, or custom protocols using programmable baud rate generators and framing control.

Is the R5F6416JAPFE pin-compatible with other members of the R32C/116A Group?

Yes, the R5F6416JAPFE is pin-compatible with all 176-pin variants in the R32C/116A Group, including R5F6416KAPFE, R5F6416LAPFE, and R5F6416MAPFE. All share identical PLQP0176KB-A packaging, pin assignments, electrical characteristics, and peripheral mappings. This enables seamless firmware and layout reuse across memory variants - for example, upgrading from 512 KB to 768 KB flash requires only a BOM change, not PCB revision. The R5F6416JAPFE maintains full functional compatibility within this footprint family.