FPU
Yes
Speed(MHz)
216
Flash(KB)
128
SRAM(KB)
64+6
I/O
25
QSPI
1
Advanced TM(16-bit)
1
GPTM(32-bit)
1
GPTM(16-bit)
7
Basic TM(16-bit)
2
IRTM
1
Systick(24-bit)
1
WDT
1
WWDT
1
RTC(Enhanced)
1
I2C
3
(F/H)I2S(1)(2)
1/2
USART/UART
5/2
USB OTG
1/1
ADC Engine
1
ADC (Msps)
2M
12-bit ADC ch.
10
PKG
QFN32
Temp.
-40~105°C
Base Part Number
AT32F405
Size
4x4
SPI
2
USB Device
HS/FS
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