???????? LCD ????????????????????
Cortex-M23 ???
NuMicro M254 ???
IC ???
M254 ????? 32 λ?????????????????? LCD ?????????? M23 ?????? Armv8-M ???????????????? 48 MHz????? 128KB Flash?? 16 KB SRAM???????? 1.75V ?? 5.5V ??????????? -40?? ?? 105?? ????????Χ??
M254 ?????? 8 x 28, 6 x 30, 4 x 32, 8 x 44, 6 x 46, 4 x 48 COM/SEG ??????????????????????????????????? LCD ??????????????????????????????? MCU ????? LCD ?????????????????? 3V ?? 5V ?? LCD ??????
M254 ??????????????棬?綨?????????????????5·PDMA??3??UART??1 ?? I2C??1 ?? SPI/I2S??1 ?? USCI (?????н??)?? 6 · 16 λ PWM??????????????????·?????? 16 ??? 12 λ 730 kSPS ?????? ADC????????????? (ACMP)?????????????????????????????ò???С???????磬????????????
?????????
M254 ??????
???4?鴮??
???5V???????????????????????
???RTC????????
???8COM ¼ bias LCD???????????????
???????
?·???
?????
??????
????zzy ?????????2021-12-27
