board_label:[mmLEDclk]

Momiji-momimomi{[hI2CLED}gNXɎ\sTvvO
@\Tv
(1)I2C LEL}gNXɓRTC̎\(AVRōI2CA_v^)
hh:mm:ss
(2)N܂BUT{^DS3231܂DS3232玞ǂݎēRTCɎݒ肷
(3)BUT{^ƓRTČݎ\(hh:mm)B1.5bȏ̒ŕb(mm:ss)\ɈڍsB
@BUT{^[XŎ(hh:mm)\ɕAB8bȏ̃[Xŕ\B
(4)gps͈ȉ̒ʂ
	D0:=PB11/USART3_Rx input pull-up
	D1:=PB10/USART3_Tx output 2MHz push-pull
	D8:=PA3/T2_4 output 2MHz push-pull
	D9:=PA2/T2_3 output 2MHz push-pull
	D13:=PC14/OCS32K_IN input analog
	D15:=PB7/I2C1_SDA output 2MHz opendrain
	D16:=PB6/I2C1_SCL output 2MHz opendrain
	D33/LED:=PB1/TIM3_CH4 output 2MHz push-pull
	D32/BUT:=PB8 input floating
	else:=* input analog

ڑ
	D0-> N.C. ܂ R\[VA(115200,8n1)
	D1-> N.C. ܂ R\[VAo(115200,8n1)
	D13-> N.C. ܂ RTC(DS3231)_32KHZ (DS3231̏ꍇopen draino͂Ȃ̂10KRxPU邱) 1
	D15-> SDA(LCD&RTC) (2K-10KRxPU)
	D16-> SCL(LCD&RTC) (2K-10KRxPU)

	1 ND13LSENbN(Ғl32768Hz)͂ĂꍇɂLSERTC̃NbN\[XƂB
	@@LSENbNȂꍇɂ́CLSIRTC̃NbN\[XƂB

\[X̃rh
make MCU=F1 clean all obj/mmLEDclk.elf𐶐(stm32f1xx_ram.ldJXNvgɎw)
make clean all obj/mmLEDclk_rom.elf𐶐(stm32f1xx.ldJXNvgɎw)

sysclk=HSE(8Mhz)xPLL(x4.0)=32.0MHz=AHB=APB1=APB2
consumption=5V/25mA..3V/22mA


ӎ
xprintf from ELM-chan(http://elm-chan.org/)
stm32 header files from STmicro(http://www.st.com/)
