Renesas UPD78F1168AGF-GAS-M1-AX

Overview

UPD78F1168AGF-GAS-M1-AX from Renesas Electronics is a 16-bit single-chip microcontroller in the 78K0R/KG3 family, featuring 128 KB on-chip Flash memory, 8 KB RAM, and integrated peripherals including 12-bit ADC (16 channels), 8-bit D/A converter, UART, I²C, and 16-bit timer arrays. It operates at up to 20 MHz with supply voltage range 2.7–5.5 V and targets embedded control in industrial and consumer equipment.

For engineers reviewing the UPD78F1168AGF-GAS-M1-AX datasheet, UPD78F1168AGF-GAS-M1-AX pinout, UPD78F1168AGF-GAS-M1-AX application, or UPD78F1168AGF-GAS-M1-AX equivalent, key selection criteria include Flash endurance (100k write/erase cycles), operating temperature range (−40°C to +85°C), and support for on-chip debug via single-wire interface - all critical for cost-sensitive, long-lifecycle industrial control designs.

Technical Context

The UPD78F1168AGF-GAS-M1-AX implements the 78K0R CPU core with 16-bit ALU, 32 × 8-bit general-purpose registers, and Harvard architecture with separate instruction/data buses. It supports real-time interrupt handling with 19 interrupt sources and priority levels configurable via IEN and PRL registers.

Its peripheral set includes a 16-bit multifunction timer (TM00–TM03) with capture/compare/PWM output, a watchdog timer with independent clock source, and a low-power stop mode with wake-up via external interrupt or RTC alarm - enabling deterministic response and energy-efficient operation in battery-backed systems.

Key Specifications

Pinout & Package

UPD78F1168AGF-GAS-M1-AX is housed in a 100-pin LQFP (14 mm × 14 mm, 0.5 mm pitch) package with exposed thermal pad. Pin functions are defined per port group (P0–P15, plus analog and power pins), supporting multiplexed I/O, peripheral signal routing, and dedicated reset/debug interfaces.

Key Features

Applications

Equivalent & Alternatives

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

Compared with UPD78F1168AGF-GAS-M1-AX, R5F10PLGKSP#V0 offers lower static power but omits DAC and reduces ADC channel count, while MB9BF328RPMC-G-SNE2 delivers higher compute throughput and more ADC inputs but sacrifices supply flexibility and integrated calendar RTC - making UPD78F1168AGF-GAS-M1-AX optimal for mixed-signal industrial controllers requiring analog output and wide-voltage robustness.

Availability

UPD78F1168AGF-GAS-M1-AX is available at Aetrix Electronics and suitable for industrial motor control, smart energy metering, home appliance HMI, factory automation I/O modules, and building management systems requiring stable component supply across multi-year production cycles.

Supply support for UPD78F1168AGF-GAS-M1-AX 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 applications.

The UPD78F1168AGF-GAS-M1-AX belongs to the 78K0R/KG3 16-bit MCUs product line, designed specifically for cost-effective, high-integration embedded control in industrial equipment and consumer appliances where Flash endurance, analog precision, and debug simplicity are critical.

FAQ

What is the maximum operating frequency of the UPD78F1168AGF-GAS-M1-AX?

The UPD78F1168AGF-GAS-M1-AX operates at a maximum CPU clock frequency of 20 MHz when supplied with 2.7–5.5 V. This frequency is supported across its full industrial temperature range (−40°C to +85°C) and enables real-time execution of control loops with sub-50 µs interrupt latency. The internal PLL allows flexible clock configuration from external crystal or ceramic resonator sources.

Does the UPD78F1168AGF-GAS-M1-AX support in-system programming?

Yes, the UPD78F1168AGF-GAS-M1-AX supports in-system programming via its single-wire debug interface (SWD). Using the on-chip bootloader, firmware can be updated in the field without removing the device from the PCB. The 128 KB Flash memory is rated for 100,000 write/erase cycles with guaranteed 10-year data retention at 85°C - validated per Renesas' reliability testing protocol.

What analog peripherals are integrated into the UPD78F1168AGF-GAS-M1-AX?

The UPD78F1168AGF-GAS-M1-AX integrates a 12-bit successive-approximation ADC with 16 input channels, an 8-bit voltage-output DAC, and two independent analog comparators. The ADC supports hardware averaging, window comparison, and automatic channel scanning - all configurable without CPU intervention. The DAC provides monotonic output with 1 µs settling time and is directly mapped to internal voltage references.

Is the UPD78F1168AGF-GAS-M1-AX pin-compatible with other devices in the 78K0R/KG3 family?

No, the UPD78F1168AGF-GAS-M1-AX is not pin-compatible with earlier 78K0R/KG3 variants such as UPD78F1162 or UPD78F1165 due to differences in peripheral mapping and pin function allocation across the 100-pin LQFP package. While all share the same physical footprint, signal assignments for ports P12–P15 and analog pins (e.g., AVREF1, P14x) differ - requiring PCB layout revision for migration.

What debug interface does the UPD78F1168AGF-GAS-M1-AX use?

The UPD78F1168AGF-GAS-M1-AX uses a single-wire debug (SWD) interface compliant with Renesas' standard debug protocol. It supports full-speed debugging, flash programming, and real-time register/memory access using tools like the E2 emulator Lite or QB-MINI2. The interface requires only two pins (SWDIO and SWCLK) and operates at up to 10 MHz, enabling rapid development and field diagnostics without JTAG overhead.