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/* Temporary file for notes to myself. */
/* Known Errors:
* Schematic: PB9 is mislabeled as TIM3_CH4: should be TIM4_CH4
* Silkscreen: D2 is incorrectly marked as not having PWM capability. It does.
* Silkscreen: D10 is incorrectly marked as having PWM capability. It does not.
*
* D15 is mapped to pin number 38. This is to retain compatiblity with the
* Arduino API, where digitalWrite() on pins 14-19 map to analog A0-A5
*
* Fix serial/timer
* Add external itnerrupts
* Redo serial api
*
* Order some shields
* buy some toner
* LARW BOOK
*
*
* wtf is smba/smbal?
* serial.print
*
* 5v tolerance
*
* TODO:
* Using OSC32_IN/OSC32_OUT pins as GPIO ports PC14/PC15 152/995
* */
/* 51 GPIOs in general
*
* Reserved Pins: Function
* PA11 USBDM
* PA12 USBDP
* PA13 JTMS-SWDAT
* PA14 JTCK-SWCLK
* PA15 JTDI
* PB2 BOOT1
* PB3 JTDO
* PB4 JTRST
* PC11 USB_P
* PC12 DISC
* PD0 OSC_IN
* PD1 OSC_OUT
*
* */
/* Pin STM32 PIN ADC Timer I2C UART SPI F/T
* D0/A6 PA3 ADC3 TIM2_CH4 - USART2_RX - -
* D1/A7 PA2 ADC2 TIM2_CH3 - USART2_TX - -
* D2/A8 PA0 ADC0 TIM2_CH1_ETR - USART2_CTS - -
* D3/A9 PA1 ADC1 TIM2_CH2 - USART2_RTS - -
* D4 PB5 - - ISC1_SMBA - - -
* D5 PB6 - TIM4_CH1 I2C1_SCL - - Y
* D6 PA8 - TIM1_CH1 - USART1_CK - Y
* D7 PA9 - TIM1_CH2 - USART1_TX - Y
* D8 PA10 - TIM1_CH3 - USART1_RX - Y
* D9 PB7 - TIM4_CH2 I2C1_SDA - - Y
* D10/A10 PA4 ADC4 - - USART2_CK SPI1_NSS -
* D11/A11 PA7 ADC7 TIM3_CH2 - - SPI1_MOSI -
* D12/A12 PA6 ADC6 TIM3_CH1 - - SPI1_MISO -
* D13/A13 PA5 ADC5 - - - SPI1_SCK -
* --------------------------------------------------------------------------------------
* D14/A0 PC0 ADC10 - - - - -
* D15/A1 PC1 ADC11 - - - - -
* D16/A2 PC2 ADC12 - - - - -
* D17/A3 PC3 ADC13 - - - - -
* D18/A4 PC4 ADC14 - - - - -
* D19/A5 PC5 ADC15 - - - - -
* --------------------------------------------------------------------------------------
* D20/EXT1 PC13 - - - - - -
* D21/EXT2 PC14 - - - - - -
* D22/EXT3 PC15 - - - - - -
* D23/EXT4 PB9 - TIM4_CH4 - - - Y
* D24/EXT5 PD2 - TIM3_ETR - - - Y
* D25/EXT6 PC10 - - - - - Y
* D26/EXT7/A14 PB0 ADC8 TIM3_CH3 - - - -
* D27/EXT8/A15 PB1 ADC9 TIM3_CH4 - - - -
* D28/EXT9 PB10 - - I2C2_SCL USART3_TX - Y
* D29/EXT10 PB11 - - I2C2_SDA USART3_RX - Y
* D30/EXT11 PB12 - TIM1_BKIN I2C2_SMBAL USART3_CK SPI2_NSS Y
* D31/EXT12 PB13 - TIM1_CH1N - USART3_CTS SPI2_SCK Y
* D32/EXT13 PB14 - TIM1_CH2N - USART3_RTS SPI2_MISO Y
* D33/EXT14 PB15 - TIM1_CH3N - - SPI2_MOSI Y
* D34/EXT15 PC6 - - - - - Y
* D35/EXT16 PC7 - - - - - Y
* D36/EXT17 PC8 - - - - - Y
* D37/EXT18 PC9 - - - - - Y
* --------------------------------------------------------------------------------------
* Note: Silkscreen is marked D15
* D38 PB8 0 TIM4_CH3 - - - Y
*
* */
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