AT32F421C8T7
Microcontrollers
Manufacturer
ARTERYAsian Brands
MPN
AT32F421C8T7
Product Type
Core Processor
ARM Cortex-M4
Maximum Clock Speed
120 MHz
Package / Case
LQFP-48
Datasheet
Key Attributes
Based on the ARM 32-bit Cortex-M4 microcontroller, equipped with flash memory, sLib, timers, ADCs, comparators, and communication interfaces
Technical Specifications
| Type | Description |
|---|---|
| Core Processor | ARM Cortex-M4 |
| Core Bits | 32 |
| Maximum Clock Speed | 120 MHz |
| Flash Memory | 64 KB |
| Number of I/O | 39 |
| Flash Type | FLASH |
| Type | Description |
|---|---|
| Oscillator Type | Built-in+External |
| Eeprom Bytes | - |
| Operating Temp | -40°C ~ +105°C |
| Working Voltage V | 3 V |
| Package / Case | LQFP-48 |
Product Introduction
ARM Cortex-M4 32 Bit 120MHz LQFP-48(7x7) Microcontrollers
Features
- Up to 120 MHz operating frequency with MPU, single-cycle multiply and hardware divide, DSP instruction set
- 16 KB to 64 KB flash program/data memory
- 4 KB system memory for Bootloader use, one-time configurable as general user program and data area
- sLib: designates a specified main memory region as a secure execute-only code library — code in this area can be called but not read
- 8 KB to 16 KB SRAM
- 2.4 V to 3.6 V supply and I/O voltage
- POR/PDR
- PVD
- Low-power modes: Sleep, Stop, Standby; 4 WKUP pins to wake from Standby mode
- 5 × 32-bit backup registers
- 4 to 25 MHz crystal oscillator
- Built-in factory-trimmed 48 MHz RC oscillator (1% accuracy at 25℃, ±2% accuracy over -40℃ to +105℃)
- PLL with flexible configuration: 31× to 500× multiplication and 1 to 15 division factors
- Built-in calibrated 40 kHz RC oscillator
- Calibrated 32 kHz crystal oscillator
- All I/Os mappable to external interrupts
- Nearly all I/Os 5 V input tolerant
- All I/Os are fast I/Os with register access up to fAHB
- 5-channel DMA controller
- 1 × 12-bit 2 MSPS ADC with up to 15 external input channels
- 1 comparator with 5 external input channels and 1 internal reference voltage
- 1 × 16-bit 7-channel advanced timer with 6-channel PWM output, dead-time control and emergency stop
- Up to 5 × 16-bit timers, each with up to 4 channels for input capture/output compare/PWM or pulse counting, and incremental encoder input
- 1 × 16-bit basic timer
- ERTC: enhanced RTC with alarm, sub-second precision, and hardware calendar
- 2 × I2C interfaces (SMBus/PMBus support)
- 2 × USART interfaces; master synchronous SPI and modem control; ISO7816, LIN, and IrDA capability
- 2 × SPI interfaces (50 Mbit/s), both multiplexable as I2S interfaces with infrared transmitter
Datasheet
Alternative Parts
Common AT32F421C8T7 alternatives overseas buyers search for:
Compliance & Export Codes
| Type | Details |
|---|---|
| ECCN | 3A991A2 |
| Type | Details |
|---|---|
| CNHTS | 8542319090 |
Sourcing Information
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