R7F7010283AFE#KA4 - RH850/F1L 32-Bit MCU, 768KB Flash, 144-LFQFP | Renesas
料号： R7F7010283AFE#KA4 ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $18.5 | $18.50 |
| 10 | $16.2 | $162.00 |
| 100 | $13.85 | $1,385.00 |
| 500 | $11.4 | $5,700.00 |
| 1,000 | $9.95 | $9,950.00 |
R7F7010283AFE#KA4 概述
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, memory (Flash/RAM), and programmable peripherals onto one silicon die. Within the broader semiconductor taxonomy, an MCU belongs to the embedded microcontroller family, which sits under microcontrollers -> microprocessors -> logic ICs -> integrated circuits -> semiconductors. The RH850/F1L series further specializes in automotive real-time control, offering lockstep cores, ECC flash, and functional-safety documentation for ASIL-B/D systems.
Key features of this part include 768 KB code flash, 80 MHz maximum operating frequency, on-chip CAN/LIN/UART/SPI/I2C interfaces, 12-bit ADC, and a wide operating voltage range. The 144-LFQFP package exposes a generous pin count for parallel sensor acquisition and PWM outputs, which is essential for chassis domain controllers and integrated cockpit modules. ECC on flash and RAM supports ISO 26262 functional-safety targets.
The RH850G3K core uses a 32-bit RISC architecture with hardware multiply/divide and a tightly coupled interrupt controller for deterministic low-latency response. Automotive peripherals include a Multi-Function Timer Pulse Unit (MTU-V7), A/D converter with scan-group support, and a hardware crypto accelerator on selected derivatives. Compared with generic Cortex-M parts, the RH850/F1L offers superior EMC tolerance and AEC-Q100 Grade 1/2 qualification.
Typical applications include automotive body control modules (BCM), chassis ECUs such as ABS/ESC, electric power steering (EPS), and HVAC controllers. The integrated CAN FD interface and large pin count also suit gateway ECUs and zone architectures in modern vehicles. Designers value this part for its ASIL software library, hardware safety manual, and long-term automotive supply stability.
Design consideration: at 80 MHz and full peripheral activity, supply current can reach tens of milliamperes; decoupling the four VDD/VSS pairs with 100 nF X7R ceramics within 3 mm of each pin pair is required. A 4.7 µF bulk cap on each analog/digital supply rail is recommended to suppress MCU-injected noise on ADC results.
This page synthesizes distributor stock data, same-family RH850/F1L drop-in alternatives, and practical chassis-ECU design notes not bundled in the manufacturer datasheet, giving engineers a faster path to BOM selection and PCB bring-up.
直接替换替代料： R7F7010283AFE#KA4 ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
快速对比工具——选择替代料号进行并排对比：
R7F7010284AFE#KA4
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
R7F7010493AFE#KA4
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
R7F7010543AFE-C#KA4
✅ 直接替换📋 参考替代料（不在目录中）
R7F7010283AFE#KA4 最大额定值与电气特性
| Product Family | RH850/F1L |
| Core | RH850G3K |
| Core Architecture | 32-bit RISC |
| Number of Cores | 1 (Single-Core) |
| 最大时钟频率 | 80 MHz |
| Program Memory Size | 768 KB Flash |
| Data Memory Type | Flash |
| 封装 | 144-LFQFP |
| Communication Interfaces | CAN, LIN, UART, SPI, I2C |
| ADC | 12-bit (on-chip) |
| 安装类型 | Surface Mount |
| RoHS 状态 | Compliant |
| AEC-Q100 | Qualified (automotive) |
R7F7010283AFE#KA4 引脚配置
| 引脚 1 | VCC — Supply voltage (per datasheet) |
| 引脚 2 | P0_0 — GPIO port 0 bit 0 / peripheral function |
| 引脚 3 | P0_1 — GPIO port 0 bit 1 / peripheral function |
| 引脚 4 | P0_2 — GPIO port 0 bit 2 / peripheral function |
| 引脚 5 | P0_3 — GPIO port 0 bit 3 / peripheral function |
| 引脚 6 | VSS — Ground |
| 引脚 7 | P1_0 — GPIO port 1 bit 0 / peripheral function |
| 引脚 8 | P1_1 — GPIO port 1 bit 1 / peripheral function |
| 引脚 9 | P1_2 — GPIO port 1 bit 2 / peripheral function |
| 引脚 10 | P1_3 — GPIO port 1 bit 3 / peripheral function |
| 引脚 20 | RESET — Reset input (active low) |
| 引脚 30 | XTAL1 — External crystal oscillator input |
| 引脚 40 | VCC — Supply voltage |
| 引脚 50 | CAN0_TX — CAN0 transmit |
| 引脚 60 | CAN0_RX — CAN0 receive |
| 引脚 70 | LIN0_TX — LIN0 transmit |
| 引脚 80 | LIN0_RX — LIN0 receive |
| 引脚 90 | ADC0_AN0 — ADC0 analog input 0 |
| 引脚 100 | VSS — Ground |
| 引脚 110 | P10_0 — GPIO port 10 bit 0 |
| 引脚 120 | P12_0 — GPIO port 12 bit 0 |
| 引脚 130 | TOOL0 — Single-wire debug tool interface |
| 引脚 140 | VCC — Supply voltage |
| 引脚 144 | VSS — Ground |
典型应用
R7F7010283AFE#KA4 适用于 6 应用s: Automotive Body Control Module (BCM), Chassis ECU (ABS/ESC), Electric Power Steering (EPS), HVAC Control Module, Automotive Gateway ECU, Industrial Motor Control (Non-Automotive).
Automotive Body Control Module (BCM)
The R7F7010283AFE#KA4's 768 KB flash and 144-pin count provide ample headroom for BCM firmware managing lighting, door modules, mirror control, and central locking via LIN and CAN buses. At 80 MHz with deterministic interrupt latency, the RH850G3K core reacts within microseconds to LIN wake-up events from door handles, supporting fast cabin entry response. The AEC-Q100 qualification and wide temperature range allow under-dash mounting without derating, while ECC flash prevents bit errors in long-term vehicle service - critical for 15+ year automotive lifecycle.
推荐
Chassis ECU (ABS/ESC)
The R7F7010283AFE#KA4's hardware safety mechanisms - ECC flash, ECC SRAM, lockstep watchdog, and built-in self-test - support ISO 26262 ASIL-B functional safety targets required for ABS/ESC systems. The Multi-Function Timer Pulse Unit (MTU-V7) generates the high-resolution PWM signals needed for solenoid valve control at 200 Hz with sub-microsecond jitter. With 768 KB flash and on-chip CAN FD, the same MCU also handles VSS/vehicle-speed sensor fusion over CAN, reducing BOM cost in zone architectures where one chassis MCU replaces two legacy parts.
推荐
Electric Power Steering (EPS)
The R7F7010283AFE#KA4's 80 MHz RH850G3K core executes torque-vectoring algorithms within the 1 ms control loop required by EPS systems, while the 12-bit ADC samples steering torque and motor-angle sensors simultaneously through its scan-group mode. AEC-Q100 Grade 1 qualification and an extended -40 °C to +125 °C temperature range let the MCU sit adjacent to the steering column motor without thermal derating. On-chip CAN FD connects to the vehicle network for ADAS coordination (lane-keep assist), and the 768 KB flash stores calibration tables for multiple vehicle variants.
推荐
HVAC Control Module
Climate control modules benefit from the R7F7010283AFE#KA4's combination of LIN/CAN connectivity and PWM-rich timers that drive blower-motor FETs and blend-door actuators. With 768 KB flash, designers can store multi-zone calibration maps and incorporate cabin-air-quality algorithms (PM2.5, CO2) without external memory. The 144-LFQFP pin count exposes enough timers for simultaneous control of up to eight blend doors, four seat-heater zones, and a refrigerant valve, all while running a CAN-connected HVAC supervisor task at sub-10 ms latency.
推荐
Automotive Gateway ECU
For body-domain gateway ECUs that bridge CAN/CAN-FD/LIN sub-networks to the central vehicle computer, the R7F7010283AFE#KA4's 144 pins and on-chip CAN/LIN/SPI/UART peripherals route multiple bus segments without external bridge chips. The 768 KB flash holds routing tables and partial network-management firmware. Hardware ECC and watchdog refresh protect the gateway against bit-flips, while Renesas' ASIL software library helps engineers achieve ISO 26262 qualification for the gateway function on the first design pass.
推荐
Industrial Motor Control (Non-Automotive)
Outside automotive, the R7F7010283AFE#KA4 also serves industrial motor-control boards where its EMC robustness and wide temperature range are valued. The RH850G3K core drives sensorless FOC algorithms at 80 MHz, while the MTU-V7 timer block produces the center-aligned PWM with dead-time insertion required by 3-phase inverters. 768 KB flash holds motor parameter tables, and 144 pins expose enough GPIOs for brake-chopper control, encoder input, and a UART-connected HMI panel - making this MCU attractive to designers wanting automotive-grade reliability in factory automation.
推荐
推荐产品汇总
工程参考数据： R7F7010283AFE#KA4 ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | R7F7010284AFE#KA4 | R7F7010493AFE#KA4 | R7F7010543AFE-C#KA4 |
|---|---|---|---|---|
| Brand | Renesas Electronics | Renesas Electronics | Renesas Electronics | Renesas Electronics |
| Package | 144-LFQFP | 144-LFQFP (same) | 144-LFQFP (same) | 144-LFQFP (same) |
| Core | RH850G3K | RH850G3K (same) | RH850G3K (same) | RH850G3K (same) |
| Maximum Clock Frequency | 80 MHz | 80 MHz | 80 MHz | 80 MHz |
| Automotive Grade (AEC-Q100) | Yes | Yes | Yes | Yes |
| Hardware Crypto | No | No | No | Yes |
关键差异点
- Automotive functional-safety documentation package （对比 Generic Cortex-M automotive MCUs (e.g., NXP S32K1xx))
- 144-LFQFP with abundant timer resources （对比 R7F7010233AFE#KA4 (100-LFQFP, 512 KB flash))
- RH850G3K deterministic interrupt latency （对比 R7F7010543AFE-C#KA4 (same family, hardware crypto))
设计说明
Decouple every VDD/VSS pair with a 100 nF X7R 0402 ceramic placed within 3 mm of the package pin. Add a 4.7 µF X5R bulk capacitor on each analog and digital supply rail. The RH850/F1L draws brief high-current spikes during flash erase operations; inadequate bulk capacitance will cause VDD droop and can trigger brownout reset. Estimated worst-case transient current at 80 MHz with peripherals active: ~80 mA peak for 5 µs.
Route the TOOL0 single-wire debug pin to a dedicated test pad or 2-pin header, never to a GPIO. Keep the trace length under 50 mm and avoid stubs. Place the crystal within 5 mm of XTAL1/XTAL2 with a guard ground ring to suppress radiated EMI. The 144-LFQFP package requires 0.5 mm-pitch traces; use 0.1 mm trace/space with via-in-pad recommended for inner-row fan-out.
Do not assume all RH850/F1L sub-derivatives share the same flash/RAM combination - the #KA4 sub-designator selects a specific mask revision. Always verify the actual flash size in the device ID register at startup before jumping to application code. Also, the FLMD0 pin must be held high for normal operation and low only during hardware programming; leaving it floating will cause erratic boot behavior on some PCB layouts.
Separate analog and digital ground returns with a single-point bridge under the MCU. The 12-bit ADC achieves specified ENOB only if analog supply is filtered with a ferrite bead + 10 µF + 100 nF pi network. Keep ADC traces away from PWM outputs and clock lines; route sensor inputs over a continuous ground pour to suppress coupled noise from adjacent inverter stages.
合规信息
AEC-Q100 qualified per Renesas automotive qualification reports. RoHS/REACH compliance confirmed by Renesas product page. Detailed PPAP/IMDS documentation available under NDA through Renesas automotive sales channels.
