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# Connections
STM32 USART1 Beagle UART2
STM32 SPI1 Beagle McSPI3
STM32 SPI2 DAC8568
# Issues:
## Rev. 1 (a32668a65)
* No polarity on LED silkscreen
* No outline around STM32 footprint
* Not enough land for pins
* Filtering for SPI lines?
* Pins not compatible with PandaBoard
* No SRST on JTAG?
* Didn't bring BOOT0 to BeagleBoard
* MISO/MOSI and SIMO/SOMI incongruency
# FIXME
* Replace C1, C3, C11 with proper values
# Clocking
HSI (internal oscillator) 14 MHz
Maximum fHCLK (AHB) 144 MHz
Maximum fCLK1 (APB1) 42 MHz
Maximum fCLK2 (APB2) 84 MHz
Maximum ADCCLK 36 MHz
Maximum ADC sampling rate 1.2 MHz