Acroview, a leader in chip programming, has officially expanded its compatible device coverage with the latest release of its programming software. Its flagship product, the universal programming platform AP8000, now fully supports Nation's high-performance microcontroller N32H487REL.

The N32H487REL microcontroller features a 32-bit ARM Cortex®-M4F core with single-precision floating-point unit and DSP instructions, running at up to 240 MHz. It integrates up to 512 KB of embedded Flash, 192 KB SRAM (including 32 KB CCM SRAM) + 4 KB Backup SRAM, four 12-bit 4.7 Msps ADCs, two 12-bit DACs, and multiple communication interfaces including USB FS Device, USB HS DualRole, U(S)ART, I2C, SPI, CAN‑FD, and Ethernet. It also supports DVP, SDIO, FEMC, xSPI high-speed memory interfaces, I2S audio interface, and a rich set of timers (advanced, general-purpose, basic, and low-power timers). An integrated hardware cryptographic accelerator supports AES/TDES, SHA, SM3, SM4, and MD5 algorithms, along with a TRNG true random number generator and CRC16/32.

The N32H487REL operates reliably from -40°C to +105°C, with a supply voltage range of 1.8 V to 3.6 V, and offers multiple power modes.

Key Features

• Core CPU

-- 32-bit ARM Cortex-M4F core with FPU, single-cycle hardware multiply/divide, DSP instructions and MPU

-- Built-in 8 KB instruction Cache, enabling zero-wait execution with Flash acceleration unit

-- Maximum frequency 240 MHz, 300 DMIPS

• Embedded Memory

-- 512 KB on-chip Flash (eFlash) with encryption, partition management and data protection, 10,000 program/erase cycles, 10-year data retention

-- 512 KB sFlash (only supported on N32H487ZGL7), 100,000 cycles, 20-year retention

-- 160 KB general-purpose SRAM with parity check

-- 32 KB CCM SRAM, default as general-purpose SRAM, configurable as CCM SRAM with ECC

-- 4 KB Backup SRAM with ECC, retained in Standby mode

• Power Consumption

-- Run mode: 45 mA @ 240 MHz (peripherals off, 3.3 V @ 25°C)

-- Stop0 mode: SRAM retained, all registers retained, RTC running

-- Standby mode: 6 µA typical, Backup SRAM retained, all backup registers retained, optional RTC enable, I/O retention

-- VBAT mode: 4 µA typical, Backup SRAM retained, all backup registers retained, optional RTC enable

• Clocks

-- 4 MHz to 32 MHz external high-speed crystal

-- 32.768 kHz external low-speed crystal

-- Multiple internal high-speed PLLs

-- 2 clock outputs with independently configurable clock sources

-- Internal high-speed RC 8 MHz, -1.5% to +2% accuracy (full temperature range)

-- Internal low-speed RC 32 kHz, ±10% accuracy (full temperature range)

• Reset

-- Power-on/power-down/external pin reset

-- Watchdog reset

-- Programmable voltage detection

• Up to 118 GPIOs

• Communication Interfaces

-- 1x USB FS Device with built-in PHY, crystal-less mode supported

-- 1x USB HS DualRole with built-in PHY

-- 6x SPI, 2x I2S (half/full-duplex, shared with SPI)

-- 4x USART / 4x UART, supporting ISO7816, IrDA, LIN; TX/RX of USART3/UART5/UART8 fully mappable to all pins

-- 4x I2C, up to 1 MHz, master/slave configurable, dual-address response in slave mode

-- 3x CAN‑FD with full pin mapping

-- 1x IEEE 802.3‑2002 compliant Ethernet MAC, supporting 10/100 Mbps and IEEE1588 synchronous Ethernet

-- 1x DVP (Digital Video Port), supporting 8/10/12/16-bit data

• High-Performance Analog Interfaces

-- 4x 12-bit 4.7 Msps ADCs, supporting 12/10/8/6-bit resolution, hardware oversampling up to 16-bit; each ADC has up to 16 external single-ended inputs and 3 internal single-ended inputs, supporting single-ended and differential modes

-- 2x 12-bit DACs, each with one internal output channel and one external output channel, 1 Msps sampling rate, with/without buffer output, supporting internal, external, or simultaneous internal/external output

-- 1x temperature sensor

• High-Speed Memory Expansion Interfaces

-- 1x xSPI, configurable 1/2/4/8-bit data width, supporting external SRAM, PSRAM and Flash, with XIP

-- 1x FEMC (Flexible External Memory Controller), 8/16-bit configurable, supporting SRAM, PSRAM, NOR Flash, NAND Flash

-- 1x SDIO, supporting SD/SDIO/MMC formats

• Cordic hardware accelerator for mathematical functions in motor control

• Built-in FMAC filter accelerator supporting FIR and IIR filters

• 2 high-speed DMA controllers, each with 8 channels, freely configurable source and destination addresses

• RTC real-time clock with leap-year calendar, alarm events, periodic wake-up, and internal/external clock calibration

• Timers/Counters

-- 3x 16-bit advanced timers with input capture, complementary output, quadrature encoder input, etc., control precision up to 4.16 ns; each timer has 6 independent channels, 4 of which support 4 pairs of complementary PWM outputs

-- 10x 16-bit general-purpose timers (GTIM1~10)

• GTIM1~7: control precision up to 5.56 ns, each with up to 4 independent channels supporting input capture, output compare, PWM generation, and one-pulse mode

• GTIM8~10: control precision up to 4.16 ns, each with up to 4 independent channels supporting input capture, output compare, PWM generation, and one-pulse mode; only channel 1 supports complementary output with dead-time and brake input

-- 2x 32-bit basic timers/counters

-- 2x 16-bit low-power timers operable in Stop0 and Standby modes

-- 1x 24-bit SysTick, 1x 14-bit window watchdog (WWDG), 1x 12-bit independent watchdog (IWDG)

• Programming Methods

-- SWD/JTAG debug interface

-- USB and UART bootloader

• Security Features

-- Flash memory encryption, multi-user partition management (SMPU)

-- Write protection (WRP), multiple read protection (RDP) levels (L0/L1/L2)

-- Built-in cryptographic hardware accelerator supporting AES/TDES, SHA, SM3, SM4, MD5

-- TRNG true random number generator, CRC16/32

-- Secure boot, encrypted program download, secure update, external high-speed/low-speed clock failure monitoring

-- Tamper detection

• 96-bit UID and 128-bit UCID

• Operating Conditions

-- Supply voltage: 1.8 V to 3.6 V

-- Temperature range: -40°C to +105°C

-- ESD: ±4 kV (HBM), ±1 kV (CDM)

-- EFT: VDD (±4 kV, Class A), I/O (±2 kV, Class A)

• Packages

-- LQFP64 (10×10 mm)

-- LQFP100 (14×14 mm)

-- LQFP144 (20×20 mm)

Internal Block Diagram

The AP8000 universal programmer, independently developed by Acroview, has become a benchmark professional programming solution in the industry. It supports flexible 1-to-1 and 1-to-8 configurations, as well as both online and offline modes. Dedicated programming solutions for eMMC, UFS, and other memory chips are also available, covering the entire Nation chip family for both bare-chip offline programming and on-board programming. The AP8000 adopts an innovative modular design consisting of three core modules – main unit, baseboard, and adapter socket – delivering outstanding compatibility and scalability. As a universal programming platform, it not only adapts to various programmable chips on the market but also serves as the core component of Acroview's automated batch programmer IPS5800S, efficiently handling large-scale programming tasks to meet mass production requirements.

The AP8000 main unit offers flexible connectivity with both USB and NET interfaces, enabling easy networking of multiple programmers. Through networking, users can conveniently achieve synchronized control of multiple units for efficient parallel programming. In terms of safety, the main unit incorporates an intelligent protection circuit that monitors chip placement and connection status in real time; if abnormalities such as reverse insertion or short circuits are detected, it immediately triggers a power-off protection mechanism, safeguarding both the chip and the programmer. The main unit is equipped with a high-speed FPGA to significantly enhance data transfer and processing efficiency. For added convenience, an SD card slot is provided on the rear panel; users can store project files generated on a PC onto the SD card, insert it, and then use the physical buttons on the programmer to select, load, and execute programming operations – enabling standalone operation without a PC. This design reduces dependency on computer hardware and simplifies the setup process, greatly improving operational flexibility.

In terms of expandability and compatibility, the AP8000 uses a modular combination of baseboard and adapter boards to extend the main unit's functionality. It currently supports products from all major semiconductor manufacturers, including SK hynix, Micron, SANDISK, ASR, Kingston, and many others. The supported device types cover NAND, NOR, MCU, CPLD, FPGA, EMMC, and more, and it is fully compatible with industry-standard file formats such as Intel Hex, Motorola S, Binary, and POF, providing users with a one-stop, full-scenario chip programming solution.

Company Profiles

About Nation: Nation was established in 2000 from the national "909" integrated circuit special project. It is a leading enterprise in China's security chip and general-purpose MCU sectors, a national high-tech enterprise, and hosts the first independent corporate security chip attack/defense laboratory and a postdoctoral research station in China. Its main products include security chips, general-purpose MCUs, trusted computing chips, smart card chips, contactless reader/writer chips, Bluetooth chips, and RCC innovative products. These are widely used in network security authentication, e-banking, e-certificates, mobile payment and security, IoT, industrial internet and industrial control, smart home appliances and smart home IoT terminals, consumer electronics, motor drives, battery and energy management, smart meters, medical electronics, automotive electronics, security, biometrics, communications, sensors, machine automation, and more.

About Acroview: Acroview is a national-level "Specialized and Sophisticated" "Little Giant" enterprise engaged in R&D, manufacturing, and sales of semiconductor chip test and programming equipment. The company is committed to providing innovative semiconductor test technologies and solutions to empower the entire industry chain, including Fabless, IDM, OSAT, wafer fabs, and end-device manufacturers. Acroview's pioneering ABI (Auto Burn‑In) system greatly improves chip burn‑in test efficiency and reduces per‑DUT test cost. The company also offers equipment and solutions across PSV, CP, FT, ABI, SLT, and programming stages. By combining technological leadership, system-level expertise, and a globally distributed R&D and sales service network, Acroview creates value for customers to gain a competitive edge in the market.