N32G435CBL7

The N32G435 series features a 32-bit ARM Cortex-M4 core with a maximum operating frequency of 108MHz, supporting floating-point operations and DSP instructions. It integrates up to 128KB embedded encrypted Flash, 32KB SRAM, and a rich set of high-performance analog components, including 1 x 12-bit 5Msps ADC, 2 independent rail-to-rail op-amps, 2 high-speed comparators, and 1 x 1Msps 12-bit DAC. It supports up to 20-channel capacitive touch keys, integrates multiple U(S)ART, I2C, SPI, USB, and CAN digital communication interfaces, and incorporates a hardware cryptographic algorithm acceleration engine.

Applications

• Industrial control
• Consumer electronics
• IoT devices
• Motor control
• Sensor applications
• Secure communication
• Data acquisition
• Low-power applications
• Smart home
• Medical devices
• Portable devices
• Power management
• Communication modules
• Automotive electronics
• Capacitive touch keys

Key features

• 32-bit ARM Cortex-M4 core + FPU, single-cycle hardware multiply/divide instructions, DSP instructions and MPU support
• Built-in 2KB instruction cache, Flash accelerator unit for zero-wait program execution
• Up to 108MHz clock frequency, 135DMIPS
• Up to 128KByte on-chip Flash with encrypted storage, partition management, data protection, hardware ECC, 100K erase/write cycles, 10-year data retention
• Up to 32KByte on-chip SRAM: 24KByte SRAM1 (configurable retention in Stop2 mode) and 8KByte SRAM2 (configurable retention in Standby and Stop2 modes), hardware parity check support
• Standby mode: 2.5uA, all backup registers retained, IO retained, optional RTC run, 8KByte SRAM2 configurable, fast wake-up
• Stop2 mode: 6uA, RTC run, 8KByte SRAM2 and 24KByte SRAM1 configurable, CPU registers retained, IO retained, fast wake-up
• RUN mode: 90uA/MHz@108MHz
• LPRUN mode: PLL off with MSI as system clock, MR off with LPR on, USB/CAN/SAC powered down, other peripheral configurations optional
• 1x 12-bit 5Msps ADC, multiple configurable precision modes, up to 9Msps in 6-bit mode, up to 16 external single-ended input channels, differential mode support
• 2x rail-to-rail op-amps with built-in programmable gain amplifier up to 32x
• 2x high-speed analog comparators with built-in 64-level adjustable reference; COMP1 supports operation in Stop2 low-power mode
• Up to 20-channel capacitive touch keys, MCU wake-up in low-power state
• 1x 12-bit DAC, 1Msps sample rate
• Internal 2.048V independent voltage reference
• Integrated internal low-voltage detection unit
• 4MHz~32MHz external high-speed crystal
• 32.768KHz external low-speed crystal
• Internal HSI RC: 16MHz
• Internal MSI RC: 100K~4MHz
• Internal LSI RC: 40KHz
• Built-in high-speed PLL
• 1x clock output, configurable as low-speed or high-speed clock output
• Power-on/power-off/external pin reset, programmable low-voltage detection and reset, watchdog reset
• Up to 52 GPIOs
• 5x U(S)ART interfaces: 3x USART (ISO7816, IrDA, LIN support) and 2x UART
• 1x LPUART, MCU wake-up in Stop2 low-power state
• 2x SPI interfaces, up to 27Mbps, I2S communication support
• 2x I2C interfaces, up to 1MHz, configurable master/slave mode, dual-address response in slave mode
• 1x USB2.0 FS Device interface
• 1x CAN 2.0A/B bus interface
• 1x high-speed DMA controller, 8 channels per controller, freely configurable channel source and destination addresses
• RTC with leap year perpetual calendar, alarm events, periodic wake-up, internal/external clock calibration
• 2x 16-bit advanced timer/counters: input capture, complementary output, quadrature encoder input, up to 9.25nS control resolution; 4 independent channels each, 3 channels supporting 6x complementary PWM output
• 5x 16-bit general-purpose timer/counters, 4 independent channels each, input capture/output compare/PWM output support
• 2x 16-bit basic timer/counters
• 1x 16-bit low-power timer/counter, dual-pulse counting, operational in Stop2 state
• 1x 24-bit SysTick
• 1x 7-bit WWDG
• 1x 12-bit IWDG
• SWD/JTAG debug interface, UART and USB Bootloader support
• Built-in cryptographic hardware acceleration engine: AES, DES, TDES, SHA1/224/256, SM1, SM3, SM4, SM7 algorithms, Flash encryption, multi-user partition management (MMU)
• TRNG, CRC16/32 computation
• Write protection (WRP), multiple read protection (RDP) levels (L0/L1/L2)
• Secure boot, encrypted program download, secure update
• External clock failure detection, tamper detection
• 96-bit UID and 128-bit UCID
• Operating voltage: 1.8V~3.6V
• Operating temperature: -40℃~105℃
• ESD: ±4KV (HBM), ±1KV (CDM)