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Diffstat (limited to 'README.txt')
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diff --git a/README.txt b/README.txt new file mode 100644 index 0000000..802aa24 --- /dev/null +++ b/README.txt @@ -0,0 +1,91 @@ +/* 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 + * + * */ + |