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original version (276 bytes) 0080A0 47 _pinMode1: 0081B4 268 _setup: 0081BE 282 _loop: after first commit (176 bytes): 0080A0 48 _pinMode1: 0081B4 269 _pinMode_asm: 008264 410 _setup: 00826E 424 _loop:

Reihenfolgen: INPUT |-CR2, -CR1, -DDR INPUT_PULLUP |-CR2, -DDR, +CR1 OUTPUT_FAST |+CR1, +DDR, +CR2 OUTPUT_OD_FAST |-CR1, +DDR, +CR2 OUTPUT_OD |-CR1, -CR2, +DDR OUTPUT |+CR1, -CR2, +DDR

mode CR2

sstm8 -tS003 -S uart=1,port=10000 mini.ihx

CR1: pullup bzw. open-drain

CR2: in: INT, out: fast

  • input: als erstes reset
  • output: als letztes setzen (nach DDR)

Schritt 1: CR2 (in: INT, out: fast)

  • set: OUTPUT_FAST, OUTPUT_OD_FAST
  • reset: sonst

Simulator

-i m: info memory