Acroview, the leader in chip programming, has officially announced the further expansion of its compatible chip model coverage alongside the release of a new version of its programming software. The company’s core product—the universal programming platform AP8000—has now achieved full adaptation with Nation’s general-purpose microcontroller N32G457VEL.

The N32G457VEL microcontroller adopts a high-performance 32-bit ARM Cortex™-M4F core, integrating a Floating Point Unit (FPU) and Digital Signal Processing (DSP), with support for parallel computing instructions. It operates at a maximum frequency of 144 MHz, integrates up to 512 KB of encrypted storage Flash with support for multi-user partition management, and up to 144 KB of SRAM. It features an internal high-speed AHB bus, two low-speed peripheral clock buses APB, and a bus matrix, supporting up to 97 general-purpose I/Os. It provides rich high-performance analog interfaces, including four 12-bit 5 Msps ADCs with up to 40 external input channels, two 1 Msps 12-bit DACs, four independent rail-to-rail operational amplifiers, and up to seven high-speed comparators. It also offers multiple digital communication interfaces, including seven U(S)ARTs, four I2C, three SPI, two I2S, one QSPI, one USB 2.0 device, two CAN 2.0B, one SDIO, one 10/100M Ethernet MAC, and one Digital Video Port (DVP). An integrated hardware accelerated cryptographic engine supports various international and national cryptographic algorithms.

The N32G457VEL operates stably over a temperature range of -40°C to +105°C, with a supply voltage from 1.8V to 3.6V. It provides multiple power modes to meet low-power application requirements. The N32G457VEL is offered in four different package types ranging from 64-pin to 128-pin, with varying peripheral configurations depending on the package. These rich peripheral configurations make the N32G457VEL suitable for industrial control, motor drive control, printers, charging piles, network energy, human-machine interaction interfaces, instrumentation, PLC, and many other applications.

Key Features

• Core CPU

― 32-bit ARM Cortex-M4 core + FPU, single-cycle hardware multiplication, supports DSP instructions and MPU

― Built-in 8KB instruction cache, supports Flash acceleration unit for zero-wait program execution

― Maximum frequency 144 MHz, 180 DMIPS

• Cryptographic Memory

― Up to 512 KByte on-chip Flash, supports encrypted storage, multi-user partition management and data protection, hardware ECC, 100,000 erase/write cycles, 10-year data retention

― 144 KByte on-chip SRAM (including 16 KByte Retention RAM), Retention RAM supports hardware parity check

• Clock

― HSE: 4MHz~32MHz external high-speed crystal

― LSE: 32.768KHz external low-speed crystal

― HSI: internal high-speed RC OSC 8MHz

― LSI: internal low-speed RC OSC 40KHz

― Built-in high-speed PLL

― Supports 1 clock output, configurable as system clock, HSE, HSI or PLL divided output

• Reset

― Supports power-on/power-down/brown-out/external pin reset

― Supports watchdog reset and software reset

• Communication Interfaces

― 7 U(S)ART interfaces, up to 4.5Mbps, among which 3 USART support ISO7816, IrDA, LIN, and 4 UART

― 3 SPI interfaces, up to 36MHz, 2 support I2S

― 1 QSPI interface, up to 144Mbps

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

― 1 USB 2.0 Full Speed Device interface

― 2 CAN 2.0A/B bus interfaces

― 1 SDIO interface, supports SD/SDIO/MMC formats

― 1 Ethernet MAC interface, supports 10M/100M Ethernet

― 1 DVP (Digital Video Port) interface

• High-Performance Analog Interfaces

― 4 12-bit 5Msps high-speed ADCs, configurable to 12/10/8/6-bit modes, up to 9Msps in 6-bit mode, up to 40 external single-ended input channels, supports differential mode

― 4 rail-to-rail operational amplifiers with built-in programmable gain up to 32x

― Up to 7 high-speed analog comparators with built-in 64-level adjustable reference

― 2 12-bit DACs, 1Msps sampling rate

― Supports external independent reference voltage input

― All analog interfaces support full voltage operation from 1.8V to 3.6V

• Up to 97 GPIOs with multiplexing functions, most GPIOs are 5V tolerant

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

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

• Timers/Counters

― 2 16-bit advanced timers, support input capture, output compare, PWM output, and quadrature encoder input, with control precision up to 6.9ns. Each timer has 4 independent channels, 3 of which support 6 complementary PWM outputs

― 4 16-bit general-purpose timers, each with 4 independent channels, supporting input capture/output compare/PWM output/one-pulse output

― 2 16-bit basic timers

― 1x 24-bit SysTick

― 1x 7-bit window watchdog (WWDG)

― 1x 12-bit independent watchdog (IWDG)

• Programming Methods

― Supports SWD/JTAG online debug interface

― Supports UART and USB Bootloader

• Security Features

― Built-in hardware accelerated cryptographic engine

― Supports AES, DES, SHA, SM1, SM3, SM4, SM7, MD5 algorithms

― Flash storage encryption

― Multi-user partition management (MMU)

― TRNG true random number generator

― CRC16/32

― Supports write protection (WRP) and multiple read protection (RDP) levels (L0/L1/L2)

― Supports secure boot, encrypted program download, and secure update

― Supports external clock failure monitoring and tamper detection

• 96-bit UID and 128-bit UCID

• Operating Conditions

― Supply voltage range: 1.8V~3.6V

― Operating temperature range: -40℃～105℃

― ESD: ±4KV (HBM model), ±1KV (CDM model)

• Packages

― LQFP64 (10x10mm)

― LQFP80 (12x12mm)

― LQFP100 (14x14mm)

― LQFP128 (14x14mm)

Internal Block Diagram

The AP8000 universal programmer independently developed by Acroview has become a benchmark professional programming solution in the industry. The device supports flexible configurable one-to-one and one-to-eight configurations, and provides both online and offline working modes. It has developed dedicated programming solutions for memory chips such as eMMC and UFS, and can fully cover the bare-chip offline programming and on-board programming needs of Nation’s entire series of chips. The AP8000 adopts an innovative modular design with three core modules—main unit, baseboard, and adapter socket—giving the device excellent compatibility and scalability. As a universal programming platform, it not only adapts to various programmable chips on the market, but also, with stable and high-efficiency performance, serves as the core component of Acroview’s automated batch programming system IPS5800S, efficiently handling large-scale chip programming tasks to meet mass production requirements.

The AP8000 main unit features flexible connectivity, equipped with both USB and NET interfaces, enabling convenient networking of multiple programmers. Through networking, users can easily achieve synchronized control of multiple programmers for efficient parallel programming operations. In terms of safety, the main unit incorporates intelligent safety protection circuits that monitor chip placement status and circuit connections in real time. Once abnormalities such as reverse insertion or short circuits are detected, it immediately triggers power-off protection, comprehensively safeguarding the safe operation of chips and the programmer. The main unit is equipped with a high-speed FPGA chip, greatly improving data transmission and processing efficiency to ensure a smooth and efficient programming process. To enhance convenience, an SD card slot is provided on the back of the main unit. Users can store project files generated from a PC onto an SD card, insert it into the slot, and then complete file selection, loading, and programming operations through the programmer’s physical buttons, enabling standalone operation without a PC. This design not only reduces dependence on computer hardware but also simplifies the working environment setup, significantly improving operational flexibility.

In terms of expandability and compatibility, the AP8000 adopts a modular combination of baseboard and adapter boards, effectively extending the main unit’s functionality. Currently, the device supports products from all major semiconductor manufacturers, covering well-known brands such as SK hynix, Micron, SANDISK, ASR, and Kingston. Its supported device types are extensive, including NAND, NOR, MCU, CPLD, FPGA, EMMC, and others, and it is fully compatible with multiple 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 Introduction

About Nation: Nation Technology (Nation) was established in 2000 from the national "909" integrated circuit special project. It is a leading Chinese enterprise in security chips and general-purpose MCUs, a national high-tech enterprise, and hosts the first independently operated security chip attack and defense technology laboratory among Chinese companies, as well as a postdoctoral research workstation. Its main products include security chips, general-purpose MCUs, trusted computing chips, smart card chips, contactless reader chips, Bluetooth chips, RCC innovative products, and more. These are widely used in network security authentication, e-banking, e-certificates, mobile payment and mobile security, IoT, industrial networking 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 other application areas.

About Acroview: Acroview is a national-level "Little Giant" specialized and sophisticated enterprise that researches, develops, manufactures, and sells semiconductor chip testing and programming equipment. The company is committed to empowering the entire industrial chain—including Fabless, IDM, OSAT, wafer fabs, and end-device manufacturers—through innovative semiconductor testing technologies and solutions. Acroview’s pioneering fully automatic burn-in test system ABI (Auto Burn-In) greatly improves chip burn-in testing efficiency and reduces per-DUT test cost for customers. It also provides equipment and solutions across various stages including PSV, CP, FT, ABI, SLT, and programming. By integrating product technology leadership, system-level expertise, and a globally deployed R&D and sales service network, Acroview creates value for customers to gain competitive advantages in the market.