AT32F421
Value line, Cortex®-M4 120MHz CPU, 16~64KB Flash, 16KB SRAM, ADC, COMP Microcontroller
Model
AT32F421xxP7
AT32F421xxU7
AT32F421xxU7-4
AT32F421xxT7
Specifications
Timers
CPU frequency (MHz)
120
Int. Flash (KB)
16 ~ 64
SRAM (KB)
8 ~ 16
Advanced Control
1
16-bit General purpose
5
Basic
1
SysTick
1
WDT
1
WWDT
1
ERTC
1
Communication
I²C
2
SPI/I²S(1)
1/1 ~ 2/2
USART+UART
1+1 ~ 2+0
Analog
12-bit ADC numbers/channels
9 ~ 15
Comparators
1
GPIO
15 ~ 39
Operating temperatures
-40°C to +105°C
Application
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