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boards:maple [2015/03/26 09:14]
darron 		boards:maple [2022/11/25 12:42]
darron [Pinout]
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 <wrap right> <wrap right>
-{{:boards:mini1.jpg?200|Top}}+{{:boards:mini1.jpg?100|Top}}
 \\ \\ \\ \\
 {{:boards:mini2.jpg?100|Bottom}} {{:boards:mini2.jpg?100|Bottom}}
 </wrap> </wrap>
  
-This example is a Baite clone of the Leaflabs Maple mini. This is an inexpensive ARM development platform with 128KB flash and 20KB RAM. This has double the flash capacity of the [[:boards:vcc-gnd|vcc-gnd]] which has the same controller.+This example is a Baite clone of the Leaflabs Maple mini. This is an inexpensive STM32F103CBT6 ARM Cortex-M3 development platform with 128KB flash and 20KB RAM. This has double the flash capacity of the [[:boards:vcc-gnd|vcc-gnd]] which has a similar controller.
  
-The Maple mini board comes with a [[:tools:maple|USB boot loader]] along with the ROM based serial UART boot loader pre-installed. The USB boot loader is compatible with [[:tools:dfu-util|dfu-util]] and no programming hardware is necessary to begin development with the Maple mini.+The Maple mini board comes with a [[:tools:maple|USB boot loader]] in flash along with the ROM based serial UART boot loader. The USB boot loader is compatible with [[:tools:dfu-util|dfu-util]] and no programming hardware is necessary to begin development with the Maple mini.
  
 === Pinout === === Pinout ===
 <code> <code>
-   VCC         MINI-USB          VCC +           VCC         MINI-USB          VCC 
-   GND          *PB9             GND +           GND          *PB9             GND 
-   BUT PB8 BOOT0                VBAT +           BUT PB8 BOOT0                VBAT 
-   15  PB7                PC13    14 +I2C1 SDA   15  PB7                PC13    14 
-   16  PB6                PC14    13 +I2C1 SCL   16  PB6                PC14    13 
-   17  PB5                PC15    12 +           17  PB5                PC15    12 
-   18  PB4                NRST RESET +           18  PB4                NRST RESET 
-   19  PB3                PA0     11 +           19  PB3                PA0     11 
-   20  PA15               PA1     10 +           20  PA15               PA1     10 
-   21  PA14 STM32F103C8T6 PA2      9 +SWCLK      21  PA14 STM32F103CBT6 PA2      9 
-   22  PA13               PA3      8 +SWDIO      22  PA13               PA3      8 
-   23  PA12    PB1        PA4      7 +           23  PA12    PB1        PA4      7 SPI1 NSS 
-   24  PA11    LED        PA5      6 +           24  PA11    LED        PA5      6 SPI1 CLK 
-RX 25  PA10               PA6      5 +USART1 RX  25  PA10               PA6      5 SPI1 MISO 
-TX 26  PA9     RESET      PA7      4 +USART1 TX  26  PA9     RESET      PA7      4 SPI1 MOSI 
-   27  PA8                PB0      3 +           27  PA8                PB0      3 
-   28  PB15    BUTTON     PB2      2 +           28  PB15    BUTTON     PB2      2 
-   29  PB14               PB10     1 +           29  PB14               PB10     1 I2C2 SCL 
-   30  PB13               PB11     0 +           30  PB13               PB11     0 I2C2 SDA 
-   31  PB12                      VIN+           31  PB12                      VIN
  
 ISP ISP
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 === Power === === Power ===
  
-Power is supplied on the USB socket which feeds a 3V3 LDO regulator. +Power is supplied on the USB socket or VIN which feeds a 3V3 LDO regulator. 
  
 === LED demo === === LED demo ===
  
-For now, see the [[:tools:libmaple|libmaple]] for a demo. Later a demo [[:tools:libopencm3|OpenCM3]] demo will appear here.+For now, see the [[:tools:libmaple|libmaple]] page for a demo. Later a demo [[:tools:libopencm3|OpenCM3]] demo will appear here.
  
 === Boot loader === === Boot loader ===
  
-The Maple mini boot loader has it's own page [[:tools:maple|here]].+The Maple mini boot loader has its own page [[:tools:maple|here]].
  
  
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 [[http://www.aliexpress.com/store/product/leaflabs-Leaf-maple-mini-ARM-STM32-compatibility/812021_1987703487.html|Product page]] [[http://www.aliexpress.com/store/product/leaflabs-Leaf-maple-mini-ARM-STM32-compatibility/812021_1987703487.html|Product page]]
 +
 +[[http://www.winddeal.net/image//30463/30463/30463/30463/30463/30463/30462/30462-7.jpg|Schematic]]
 +
 +[[https://www.st.com/resource/en/datasheet/stm32f103cb.pdf|MCU datasheet]]
 +
 +[[https://www.st.com/resource/en/reference_manual/rm0008-stm32f101xx-stm32f102xx-stm32f103xx-stm32f105xx-and-stm32f107xx-advanced-armbased-32bit-mcus-stmicroelectronics.pdf|MCU reference manual]]
 +