M4521 USB シリーズ
The NuMicro® M4521 USB series 32-bit microcontroller ( MCU ) is embedded with the ARM® Cortex®-M4 core and operating at 2.5V ~ 5.5V and - 40 ℃ ~ 105 ℃ , and provides 22.1184 MHz internal oscillator ( 1 % accuracy at 25 ℃ , 5V ) , Data Flash configurable and high immunity ( 8 kV ESD, 4 kV EFT ) . Package types include LQFP48 and LQFP64.
Target Application:
Industrial Automation, Inverters, Uninterruptible Power Supply ( UPS ) , Home Automation, USB Accessories, Smart Card Reader, Motor Control, etc.
Key Features:
| • | Core | |
| - | ARM® Cortex®-M4 with DSP and FPU | |
| - | Max frequency of 72 MHz | |
| - | Operating voltage: 2.5V to 5.5V | |
| - | Temperature range: - 40 ℃ ~ 105 ℃ | |
| • | Memory | |
| - | 128 KB of Flash Memory | |
| - | 32 KB of SRAM | |
| - | Data Flash configurable | |
| • | 12-bit ADC ( up to 16 channels ) | |
| • | 16-bit PWM ( up to 12 channels ) | |
| • | Timers | |
| - | 4 sets of 32-bit timers | |
| - | RTC | |
| • | Connectivity | |
| - | USB 2.0 FS Host/Device | |
| - | USB 2.0 FS Crystal-less at Device mode | |
| - | Up to 4 UART s | |
| - | Up to 2 SPI s ( 1x SPI + 1xQ SPI ) | |
| - | Up to 2 I²C s ( up to 1 MHz ) | |
| - | Smart card interfaces | |
| • | Security | |
| - | CRC engine | |
| - | Tamper Detection | |
| - | Flash Security Lock | |
| • | Clock Control | |
| - | 4 to 24 MHz external crystal oscillator | |
| - | 32.768 kHz crystal oscillator | |
| - | 22.1184 MHz internal RC oscillator | |
| - | 10 kHz internal RC oscillator | |
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