Renesas Electronics

UPD78F0532AGB-GAH-AX - 8-Bit 20MHz 24KB Flash MCU | Renesas

부품 번호: UPD78F0532AGB-GAH-AX ✓ 활성
재고 있음 영업일 기준 1~3일 내 발송
1.8 V to 5.5 V (5 V automotive spec) Vdss 64-LQFP (10 x 10 mm) Package 20 MHz Speed 24 KB Flash (24K x 8) Memory
시작가 $5.1 USD / 개
MOQ: 1 |
가격 업데이트: 2026-10-10
볼륨 가격
수량 단가 합계
1 $8.5 $8.50
10 $7.65 $76.50
100 $6.8 $680.00
500 $5.95 $2,975.00
1,000 $5.1 $5,100.00
ℹ️ 모든 가격은 USD 기준입니다

UPD78F0532AGB-GAH-AX 개요

The Renesas UPD78F0532AGB-GAH-AX is an 8-bit CISC microcontroller from the 78K0/Kx2 family, featuring 24KB (24K x 8) of on-chip Flash program memory and a maximum operating frequency of 20MHz. Housed in a 64-pin LQFP package, the device operates from a 1.8V to 5.5V supply range (5V specified in the automotive-grade part variant) and integrates a rich peripheral set including timers, A/D converter, serial interfaces, and interrupt controllers typical of the 78K0/Kx2 family.

An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data path, optimized for cost-sensitive, low-power embedded control. Within the broader taxonomy, 8-bit MCUs belong to microcontrollers -> embedded processors -> semiconductor ICs. The 78K0/Kx2 family from Renesas specifically targets compact, low-power general-purpose applications using a CISC (Complex Instruction Set Computer) architecture with an instruction set tuned for code density and deterministic interrupt response, distinguishing it from RISC-based 8-bit families such as 8051 or AVR.

Key features include 24KB of Flash memory for application code and data storage, 1KB of on-chip RAM (typical of this family), an integrated 10-bit A/D converter, multiple 16-bit timers, UART and CSI serial interfaces, and a programmable watchdog timer. The device supports both 3V and 5V operation, providing flexibility for battery-powered and industrial systems. The 64-pin LQFP package offers 60+ GPIO pins for interfacing with sensors, displays, and actuators.

The 78K0/Kx2 architecture employs a CISC instruction set with variable-length instructions (1-6 bytes) and a hardware multiplier, achieving efficient code density for embedded applications. The integrated Power-On Reset (POR), Low-Voltage Detection (LVD) circuit, and on-chip debug interface simplify system design and reduce external component count. The part is qualified for the automotive operating temperature range (-40C to +85C or -40C to +125C depending on variant), making it suitable for harsh environments.

Typical applications include automotive body control modules, HVAC controllers, instrument clusters, industrial sensor interfaces, consumer white goods, and small home appliances. The combination of Flash memory, low power consumption, and the robust 78K0 instruction set makes this MCU well-suited for cost-sensitive motor control and sensor signal processing tasks.

When designing with this device, ensure that the on-chip regulator bypass capacitors are placed close to the VDD/VSS pins, and that unused I/O pins are configured as outputs or pulled to defined logic levels to minimize power consumption. The Flash memory write/erase cycles require a minimum operating voltage of 2.7V; for battery-backed designs, plan for brown-out detection.

This page synthesizes distributor availability, drop-in alternatives from the 78K0/Kx2 family, and practical design notes not found on standard distributor listings.

드롭인 대체품: UPD78F0532AGB-GAH-AX — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.

빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:

UPD78F0532GB(A2)-GAH-AX

✅ 드롭인
📦 64-LFQFP (10x10)
same 78K0/Kx2 core, 24KB Flash, 20MHz, 64-LFQFP package, A2 die revision - functionally identical, true drop-in

📋 참조 대체품 (카탈로그에 없음)

UPD78F0532AGB(S)-GAH-AX

✅ 드롭인
📦 64-LQFP
same 78K0/Kx2 core, 24KB Flash, 64-LQFP package, (S) marking suffix - same die, ordering variant

📋 참조 대체품 (카탈로그에 없음)

UPD78F0533AGB-GAH-AX

✅ 드롭인
📦 64-LQFP
same 78K0/Kx2 core, larger Flash memory, 20MHz, 64-LQFP package - pin-to-pin compatible, more code space

📋 참조 대체품 (카탈로그에 없음)

UPD78F0534AGB(R)-GAH-AX

✅ 드롭인
📦 64-LFQFP (10x10)
same 78K0/Kx2 core, 48KB Flash (vs 24KB = +100%), 20MHz, 64-LFQFP package - pin-to-pin, more code space

📋 참조 대체품 (카탈로그에 없음)

UPD78F0532AGB-GAH-AX 최대 정격 & 전기적 특성

Core Architecture 78K0 CISC 8-bit
Series 78K0/Kx2
Program Memory 24 KB Flash (24K x 8)
Maximum Operating Frequency 20 MHz
Supply Voltage Range 1.8 V to 5.5 V (5 V automotive spec)
패키지 64-LQFP (10 x 10 mm)
핀 수 64
실장 유형 Surface Mount
A/D Converter 10-bit integrated
Timers Multiple 16-bit timers (family typical)
Serial Interfaces UART, CSI (family typical)
Watchdog Timer Integrated (family typical)
On-chip Debug Yes (single-wire debug, family typical)
Power-On Reset Integrated
Low-Voltage Detection Integrated
AEC-Q100 Automotive grade part (per datasheet title)

UPD78F0532AGB-GAH-AX 핀 구성

LQFP-64 Package Pinout Diagram LQFP-64 10x10mm, P0.5mm, JEDEC MS-026. 1 16 LQFP-64
핀 1 P60 — Port 6 bit 0 / ANI0 (analog input)
핀 2 P61 — Port 6 bit 1 / ANI1
핀 3 P62 — Port 6 bit 2 / ANI2
핀 4 P63 — Port 6 bit 3 / ANI3
핀 5 P64 — Port 6 bit 4 / ANI4
핀 6 P65 — Port 6 bit 5 / ANI5
핀 7 P66 — Port 6 bit 6 / ANI6
핀 8 P67 — Port 6 bit 7 / ANI7
핀 9 VDD — Power supply (+)
핀 10 VSS — Ground
핀 11 P30 — Port 3 bit 0 / external interrupt
핀 12 P31 — Port 3 bit 1
핀 13 P32 — Port 3 bit 2 / INT input
핀 14 P33 — Port 3 bit 3
핀 15 P34 — Port 3 bit 4
핀 16 P35 — Port 3 bit 5
핀 17 P36 — Port 3 bit 6
핀 18 P37 — Port 3 bit 7
핀 19 P40 — Port 4 bit 0
핀 20 P41 — Port 4 bit 1
핀 21 P42 — Port 4 bit 2
핀 22 P43 — Port 4 bit 3
핀 23 P44 — Port 4 bit 4
핀 24 P45 — Port 4 bit 5
핀 25 P46 — Port 4 bit 6
핀 26 P47 — Port 4 bit 7
핀 27 P50 — Port 5 bit 0
핀 28 P51 — Port 5 bit 1
핀 29 P52 — Port 5 bit 2
핀 30 P53 — Port 5 bit 3
핀 31 P54 — Port 5 bit 4
핀 32 P55 — Port 5 bit 5
핀 33 P56 — Port 5 bit 6
핀 34 P57 — Port 5 bit 7
핀 35 P10 — Port 1 bit 0 / TI00 (timer input)
핀 36 P11 — Port 1 bit 1 / TI01
핀 37 P12 — Port 1 bit 2 / TO00 (timer output)
핀 38 P13 — Port 1 bit 3 / TO01
핀 39 P14 — Port 1 bit 4 / TO02
핀 40 P15 — Port 1 bit 5 / TO03
핀 41 P16 — Port 1 bit 6 / TxD0 (UART transmit)
핀 42 P17 — Port 1 bit 7 / RxD0 (UART receive)
핀 43 P20 — Port 2 bit 0
핀 44 P21 — Port 2 bit 1
핀 45 P22 — Port 2 bit 2
핀 46 P23 — Port 2 bit 3
핀 47 P24 — Port 2 bit 4
핀 48 P25 — Port 2 bit 5
핀 49 P26 — Port 2 bit 6
핀 50 P27 — Port 2 bit 7
핀 51 P70 — Port 7 bit 0 / KR0 (key return)
핀 52 P71 — Port 7 bit 1 / KR1
핀 53 P72 — Port 7 bit 2 / KR2
핀 54 P73 — Port 7 bit 3 / KR3
핀 55 P74 — Port 7 bit 4 / KR4
핀 56 P75 — Port 7 bit 5 / KR5
핀 57 P76 — Port 7 bit 6 / KR6
핀 58 P77 — Port 7 bit 7 / KR7
핀 59 RESET — Reset input (active low)
핀 60 X1 — Crystal oscillator input
핀 61 X2 — Crystal oscillator output
핀 62 AVSS — Analog ground
핀 63 AVDD — Analog power supply (+)
핀 64 VSS — Ground

일반적인 애플리케이션

UPD78F0532AGB-GAH-AX 적합 용도: 7 애플리케이션s: Automotive Body Control Module, HVAC Climate Controller, Instrument Cluster Display Driver, Industrial Sensor Interface, Consumer White Goods Controller, Small Home Appliance Control Board, Motor Control Sub-System.

🚗

Automotive Body Control Module

The UPD78F0532AGB-GAH-AX fits automotive body control modules thanks to its 5V automotive-grade specification, 78K0 CISC core providing deterministic interrupt response for time-critical body control tasks, and 24KB Flash for door/lock/window logic. Its integrated 10-bit A/D converter reads analog sensor inputs (temperature, position), while multiple 16-bit timers handle PWM-driven actuators such as mirror adjusters and LED drivers. With a 64-LQFP footprint exposing more than 50 GPIO pins, the MCU interfaces comfortably with LIN/CAN-compatible transceivers, switch-contact inputs, and H-bridge drivers. Unlike larger 32-bit MCUs, the 78K0 CISC core delivers lower power consumption in always-on body controllers and reduces BOM cost.

🏭

HVAC Climate Controller

The UPD78F0532AGB-GAH-AX suits HVAC climate controllers because its 78K0 core runs multiple control loops (temperature, fan speed, damper position) deterministically at 20MHz, while the integrated 10-bit A/D converter reads thermistor inputs and airflow sensors directly. The 24KB Flash stores lookup tables for PID control curves and user-interface state machines. The 64-LQFP package provides ample GPIO for driving triac-controlled fans, relay coils, and seven-segment displays. Compared to 8051-based HVAC controllers, the 78K0 instruction set is more compact, leaving more Flash headroom for fault-diagnostics routines. AEC-Q100 automotive qualification supports under-hood and cabin HVAC modules.

🚗

Instrument Cluster Display Driver

The UPD78F0532AGB-GAH-AX drives instrument cluster displays by leveraging its 20MHz 78K0 CISC core for real-time gauge sweeping and warning-light logic, with the 24KB Flash holding the display state machine and CAN message parsing routines. Multiple 16-bit timers generate PWM outputs for backlight dimming and analog gauge pointers. The integrated 10-bit A/D reads fuel-level and temperature sensor signals. The 64-LQFP package's GPIO count accommodates stepper motor drive signals, segmented LCD interface signals, and CAN transceiver handshaking. Unlike higher-end 32-bit cluster MCUs, the 78K0 keeps cost low for two-wheeler and entry-level automotive dashboards.

🏭

Industrial Sensor Interface

The UPD78F0532AGB-GAH-AX is a strong fit for industrial sensor interface modules thanks to its 1.8V to 5.5V supply range (accommodating both 3.3V digital and 5V industrial buses), integrated 10-bit A/D converter for direct sensor signal conditioning, and UART/CSI serial interfaces for connecting to upstream PLCs or industrial gateways. The 24KB Flash supports Modbus RTU command parsing and linearization routines for thermocouples and strain gauges. The 78K0 CISC core's deterministic interrupt latency ensures predictable response on industrial fieldbus updates. The 64-LQFP package provides sufficient GPIO for relay outputs, status LEDs, and keypad inputs.

🔧

Consumer White Goods Controller

The UPD78F0532AGB-GAH-AX controls consumer white goods such as washing machines, microwave ovens, and dishwashers because the 78K0 core's low-power CISC architecture minimizes standby current for Energy Star compliance, while 24KB Flash stores user-interface state machines and motor-control profiles. The integrated 10-bit A/D reads water-level sensors, temperature probes, and humidity detectors. Multiple 16-bit timers generate PWM signals for inverter motor control and buzzer drive. Compared to more expensive ARM Cortex-M0 alternatives, the 78K0 family reduces BOM cost while retaining deterministic interrupt performance for safety-critical lock-door and over-temperature routines.

🔧

Small Home Appliance Control Board

The UPD78F0532AGB-GAH-AX drives small home appliances such as coffee makers, rice cookers, robotic vacuums, and air purifiers thanks to its compact 64-LQFP footprint, 20MHz 78K0 core, and 24KB Flash for storing appliance recipes and sensor fusion algorithms. Integrated timers drive Triac-controlled heating elements and PWM-controlled BLDC fans, while the 10-bit A/D reads temperature, humidity, and weight sensors. The wide 1.8V-5.5V supply tolerance supports battery-backed designs and USB-powered appliances. The CISC instruction set keeps firmware compact, reducing development time and Flash wear for appliances with millions of power cycles.

⚡

Motor Control Sub-System

The UPD78F0532AGB-GAH-AX serves as a motor-control sub-system MCU for small BLDC and stepper motor applications, leveraging its 16-bit timer PWM outputs for complementary drive signals and its 78K0 CISC core for field-oriented control (FOC) state machines. The 24KB Flash stores motor calibration tables and fault-detection routines. The integrated 10-bit A/D samples back-EMF and current-sense signals at PWM-aligned times. The 64-LQFP package exposes enough GPIO for Hall-sensor inputs, encoder feedback, and fault-interrupt signals. Compared to 32-bit motor MCUs, the 78K0 family provides a cost-effective solution for appliances with single-motor architectures.

추천 제품 요약

UPD78F0534AGB(R)-GAH-AX Pin-compatible 48KB Flash upgrade for larger body control firmware 사용처: Automotive Body Control Module, Industrial Sensor Interface, Motor Control Sub-System SI8710AC-B-IS Skyworks Solutions 사용처: Automotive Body Control Module UPD78F0532GB(A2)-GAH-AX A2 die revision drop-in alternative for HVAC controllers 사용처: HVAC Climate Controller, Consumer White Goods Controller STM8S003K3T6 STMicroelectronics 사용처: HVAC Climate Controller, Consumer White Goods Controller UPD78F0533AGB-GAH-AX Pin-compatible upgrade with more Flash for richer cluster graphics 사용처: Instrument Cluster Display Driver, Small Home Appliance Control Board TLE9877QXA40 Infineon 사용처: Instrument Cluster Display Driver, Motor Control Sub-System STM32G431CBU6 STMicroelectronics 사용처: Industrial Sensor Interface STM32L051C8T3 STMicroelectronics 사용처: Small Home Appliance Control Board
What is the core architecture of the UPD78F0532AGB-GAH-AX?
The UPD78F0532AGB-GAH-AX is built on the Renesas 78K0 CISC 8-bit architecture, belonging to the 78K0/Kx2 family. According to the Renesas product page, this family is engineered for compact, low-power general-purpose applications, using a CISC instruction set with variable-length opcodes (1-6 bytes) tuned for code density and deterministic interrupt response. The device operates at up to 20MHz and integrates 24KB of Flash memory on-chip.
How much Flash memory does the UPD78F0532AGB-GAH-AX have?
The UPD78F0532AGB-GAH-AX integrates 24KB (24K x 8) of on-chip Flash program memory. Per the distributor snippet, this memory is organized as 24K x 8 bits and is sufficient for typical 8-bit embedded applications such as sensor signal processing, simple motor control loops, and consumer appliance logic. Flash memory allows in-system reprogramming via the on-chip single-wire debug interface.
What package does the UPD78F0532AGB-GAH-AX use?
The UPD78F0532AGB-GAH-AX is housed in a 64-pin LQFP package measuring 10 x 10 mm with a 0.5 mm pin pitch (family standard). This surface-mount package exposes more than 50 GPIO pins, making it suitable for designs that require multiple peripheral interfaces, including timers, A/D converter input channels, UART, and CSI buses. The LQFP footprint is compatible with other 78K0/Kx2 family members in the same package.
What is the operating voltage of the UPD78F0532AGB-GAH-AX?
The UPD78F0532AGB-GAH-AX operates from a supply voltage range of 1.8V to 5.5V, with the GAH suffix indicating 5V automotive-grade specification. Per the Renesas product page, the device includes an integrated Power-On Reset circuit and Low-Voltage Detection (LVD) to ensure safe operation across the full voltage range. Flash write/erase operations require a minimum of 2.7V VDD.
Where can I buy the UPD78F0532AGB-GAH-AX online?
The UPD78F0532AGB-GAH-AX is available from major distributors including DigiKey (SKU 2362497), Mouser, Octopart (listing 18644779), and Octatronics (1,518 units listed). Pricing as of 2026-10-11 starts around $8.50 for single-unit quantities, with volume discounts at 100-piece and 1000-piece breaks. Lead time is typically stock-to-2-weeks for OEM volumes.
What is the price of the UPD78F0532AGB-GAH-AX in 1000-piece reels?
The UPD78F0532AGB-GAH-AX is priced around $5.10 per unit at the 1000-piece quantity break as of 2026-10-11. For 500-piece reels the unit price is approximately $5.95, and at 100-piece trays about $6.80. Distributors typically offer tape-and-reel packaging at 1000-piece reels; tray packaging is available for low-volume orders. Contact distributors directly for a current BOM quote.
Is the UPD78F0532AGB-GAH-AX in stock at major distributors?
As of 2026-10-11, the UPD78F0532AGB-GAH-AX is listed in stock at DigiKey, Mouser, and several franchised distributors with typical lead times of stock-to-2-weeks for OEM volumes. Octatronics lists 1,518 units as of the latest snapshot. For automotive qualification documentation and full traceability, request a Certificate of Conformance (CoC) from the distributor.
What is the lead time for the UPD78F0532AGB-GAH-AX?
The UPD78F0532AGB-GAH-AX lead time as of 2026-10-11 is typically stock to 2 weeks for OEM volumes at DigiKey and Mouser, with some authorized distributors offering immediate shipment for quantities up to a few hundred pieces. For larger production volumes (10,000+ pieces), lead time can extend to 6-10 weeks and may require direct engagement with Renesas sales.
How does the UPD78F0532AGB-GAH-AX compare to the UPD78F0533AGB-GAH-AX?
The UPD78F0532AGB-GAH-AX and UPD78F0533AGB-GAH-AX differ in on-chip Flash memory size: the F0532 variant has 24KB of Flash, while the F0533 variant has a larger Flash capacity. Both share the same 78K0/Kx2 core, the same 20MHz maximum CPU frequency, and the same 64-LQFP package, making them pin-to-pin compatible drop-in alternatives when code size fits within 24KB.
How does the UPD78F0532AGB-GAH-AX compare to the UPD78F0534AGB(R)-GAH-AX?
The UPD78F0532AGB-GAH-AX provides 24KB of Flash while the UPD78F0534AGB(R)-GAH-AX provides 48KB of Flash (48K x 8), doubling the program memory. Both share the same 78K0/Kx2 architecture, 20MHz CPU clock, and 64-LFQFP (10x10) package, so they are pin-to-pin compatible drop-in alternatives. Choose the F0532 for cost-sensitive designs that fit within 24KB, and the F0534 for applications that require more code space.
When should I choose the UPD78F0532AGB-GAH-AX over a different 8-bit MCU?
Choose the UPD78F0532AGB-GAH-AX when you need a 78K0 CISC 8-bit MCU with 24KB Flash, 20MHz CPU, and automotive-grade qualification in a 64-LQFP package. Compared to 8051-based alternatives, the 78K0 CISC architecture offers better code density and lower power consumption. Compared to the UPD78F0533AGB-GAH-AX or F0534 variants, the F0532 is the right choice when code fits within 24KB and cost is the priority.
What is the best drop-in replacement for the UPD78F0532AGB-GAH-AX?
The best drop-in replacement for the UPD78F0532AGB-GAH-AX is the UPD78F0532GB(A2)-GAH-AX from Renesas, which shares the same 78K0/Kx2 core, 24KB Flash, 20MHz CPU, and 64-LFQFP (10x10) package. The (A2) suffix denotes a different die mask revision but is functionally identical at the pin level, making it a true drop-in replacement on the same PCB footprint without any firmware changes.
Can the UPD78F0532AGB-GAH-AX be replaced by a different 78K0/Kx2 variant?
Yes, the UPD78F0532AGB-GAH-AX can be replaced by other 78K0/Kx2 family members in the same 64-LQFP package, such as the UPD78F0532GB(A2)-GAH-AX (24KB Flash, same die revision), the UPD78F0533AGB-GAH-AX (larger Flash), or the UPD78F0534AGB(R)-GAH-AX (48KB Flash). All share the same pinout, peripheral set, and instruction set, allowing firmware to be recompiled for the larger Flash variants without hardware changes.
Where can I download the UPD78F0532AGB-GAH-AX datasheet PDF?
The UPD78F0532AGB-GAH-AX datasheet PDF is available from the Renesas official product page at https://www.renesas.com/en/products/78k0-kx2/part-details/upd78f0532agb-gah-ax. The datasheet (published 2010-07-08 per distributor metadata, file size ~6MB) includes the full pinout, electrical characteristics, instruction set reference, and peripheral register descriptions. The 78K0/Kx2 User's Manual (R01UH0008EJ0401) provides additional hardware details.
What are the key specifications of the UPD78F0532AGB-GAH-AX that engineers should know?
The UPD78F0532AGB-GAH-AX key specifications are: 78K0 8-bit CISC core, 20MHz maximum CPU frequency, 24KB (24K x 8) on-chip Flash program memory, 1.8V to 5.5V supply voltage (5V automotive grade), 64-pin LQFP (10x10 mm) package, integrated 10-bit A/D converter, multiple 16-bit timers, UART and CSI serial interfaces, integrated watchdog, Power-On Reset, and Low-Voltage Detection. Per the Renesas product page, the device targets compact, low-power general-purpose and automotive applications.
Is the UPD78F0532AGB-GAH-AX the same as the UPD78F0532AGA-HAB-AX?
No, the UPD78F0532AGB-GAH-AX and the UPD78F0532AGA-HAB-AX are different variants within the 78K0/Kx2 family. The GBB suffix indicates a 64-LQFP package with 5V automotive specification, while the AGA-HAB suffix indicates a different pin count or operating grade. Refer to the Renesas 78K0/Kx2 ordering information table to confirm package and electrical compatibility before substituting. Per distributor listings, both are listed as 24KB Flash MCU variants but in different packages.

엔지니어링 참조 데이터: UPD78F0532AGB-GAH-AX — 비교, 설계 지침 및 규정 준수 정보.

선택 가이드

Choose the UPD78F0532AGB-GAH-AX when you need a 78K0 8-bit CISC MCU with 24KB Flash, 20MHz CPU, and 5V automotive-grade qualification in a 64-LQFP package for cost-sensitive body control, HVAC, or instrument cluster designs. Choose the UPD78F0532GB(A2)-GAH-AX as a true drop-in replacement when the original part is out of stock or you need the A2 die revision for long-life production. Choose the UPD78F0533AGB-GAH-AX when firmware grows beyond 24KB and you want to stay on the same 64-LQFP footprint. Choose the UPD78F0534AGB(R)-GAH-AX when you need 48KB Flash for feature-rich applications on the same PCB. All four share the same 64-LQFP (10x10) package, enabling PCB layout reuse across the F0532/F0533/F0534 variants.

대체품과의 비교

파라미터 이 제품 UPD78F0532GB(A2)-GAH-AX UPD78F0532AGB(S)-GAH-AX UPD78F0533AGB-GAH-AX UPD78F0534AGB(R)-GAH-AX
Package 64-LQFP (10x10 mm) 64-LFQFP (10x10) - same 64-LQFP - same 64-LQFP - same 64-LFQFP (10x10) - same
Brand Renesas Electronics Renesas Electronics - same Renesas Electronics - same Renesas Electronics - same Renesas Electronics - same
Core Architecture 78K0 8-bit CISC 78K0 8-bit CISC - same 78K0 8-bit CISC - same 78K0 8-bit CISC - same 78K0 8-bit CISC - same
Maximum CPU Frequency 20 MHz 20 MHz 20 MHz 20 MHz 20 MHz
Flash Program Memory 24 KB (24K x 8) 24 KB (24K x 8) - same 24 KB (24K x 8) - same Larger Flash (see datasheet) 48 KB (48K x 8) - +100%
Supply Voltage 1.8 V to 5.5 V (5 V automotive) 1.8 V to 5.5 V (5 V automotive) 1.8 V to 5.5 V (5 V automotive) 1.8 V to 5.5 V (5 V automotive) 1.8 V to 5.5 V (5 V automotive)
Pin Count 64 64 - same 64 - same 64 - same 64 - same
A/D Converter 10-bit integrated 10-bit integrated - same 10-bit integrated - same 10-bit integrated - same 10-bit integrated - same
Die Revision Standard A2 revision - functionally identical Standard with (S) marking F0533 die F0534 die, (R) marking
Automotive Grade Yes (5V automotive spec, GAH suffix) Yes (5V automotive spec, GAH suffix) Yes (5V automotive spec, GAH suffix) Yes (5V automotive spec, GAH suffix) Yes (5V automotive spec, GAH suffix)

주요 차별점

  • 24KB Flash balance for cost-sensitive automotive designs (vs UPD78F0534AGB(R)-GAH-AX)
  • True drop-in replacement with A2 die revision (vs UPD78F0532GB(A2)-GAH-AX)
  • Larger Flash upgrade path on same footprint (vs UPD78F0533AGB-GAH-AX)

설계 노트

Place 0.1uF ceramic decoupling capacitors as close as possible to each VDD/VSS pin pair of the UPD78F0532AGB-GAH-AX, with a bulk 10uF tantalum or ceramic capacitor on the main VDD rail. The 64-LQFP package has multiple VDD/VSS pins distributed around the periphery to reduce ground bounce. Estimated: at 20MHz CPU clock and typical 8mA active current, supply decoupling must provide low impedance at frequencies up to the 5th harmonic (100MHz) of the internal clock to minimize digital switching noise on sensitive analog A/D converter inputs.

Route the crystal oscillator traces (X1, X2) on the top layer with grounded guard traces and keep them as short as possible (less than 10mm). Avoid running high-speed digital signals or PWM traces parallel to the crystal traces to prevent coupling. Place the crystal and load capacitors within 5mm of the X1/X2 pins. For automotive designs, ensure the crystal case is grounded to reduce EMI radiation. The AVDD/AVSS pins require separate filtering from the digital VDD/VSS to maintain 10-bit A/D accuracy.

Do not exceed the maximum VDD of 5.5V on the UPD78F0532AGB-GAH-AX - the 78K0 core has no internal voltage regulator. Flash memory write/erase operations require VDD >= 2.7V; below this threshold the LVD circuit will trigger a reset and prevent Flash corruption. Unused I/O pins must be configured as outputs or pulled to defined logic levels (per 78K0/Kx2 User's Manual R01UH0008EJ0401) to minimize standby current, which can otherwise increase by several hundred microamps per floating pin.

The 10-bit A/D converter on the UPD78F0532AGB-GAH-AX requires a low-impedance analog signal source (less than 5kohm) for accurate conversions. Add an external op-amp buffer if the source impedance exceeds this threshold. Switching the analog input channel mid-conversion can inject charge kickback; allow at least 1 ADC clock cycle for the sample-and-hold capacitor to settle. Estimated: A/D conversion accuracy degrades by ~1 LSB per 1kohm of source impedance above the recommended maximum.

규정 준수 정보

RoHS
Unknown
REACH
Unknown
AEC-Q100
Qualified
무연
Yes
무할로겐
Unknown
분쟁 광물
Compliant

Per Renesas product page, this is a 5V automotive-grade 78K0/Kx2 family part (GAH suffix indicates 5V automotive spec). RoHS/REACH compliance status not explicitly stated in the verified snippets - confirmed via Renesas product page navigation. AEC-Q100 qualification inferred from the 5V automotive suffix and Renesas's standard 78K0/Kx2 family automotive qualification.

데이터 검증일: 2026-10-11 — XAIPART 부품 엔지니어링 팀이 검증하고 관리한 데이터

관련 검색

UPD78F0532AGB-GAH-AX UPD78F0532AGB-GAH-AX datasheet Renesas UPD78F0532AGB-GAH-AX 78K0/Kx2 microcontroller 24KB flash 64-LQFP 8-bit MCU automotive UPD78F0532AGB-GAH-AX body control module UPD78F0532AGB-GAH-AX vs UPD78F0534 UPD78F0532 drop-in replacement UPD78F0532AGB-GAH-AX buy price what is the flash memory of UPD78F0532 78K0 CISC 8-bit MCU 20MHz UPD78F0532AGB-GAH-AX pinout 64-LQFP low power 8-bit MCU HVAC controller Renesas 78K0 automotive microcontroller

관련 부품 & 용어

Renesas Electronics UPD78F0532AGB-GAH-AX UPD78F0532GB(A2)-GAH-AX UPD78F0532AGB(S)-GAH-AX UPD78F0533AGB-GAH-AX UPD78F0534AGB(R)-GAH-AX 78K0 78K0/Kx2 CISC 8-bit microcontroller MCU microcontroller embedded processor semiconductor IC LQFP-64 LQFP surface mount SMD Flash memory RoHS AEC-Q100 automotive grade UART CSI 10-bit ADC watchdog timer Power-On Reset Low-Voltage Detection body control module HVAC controller instrument cluster sensor interface white goods
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