ATtiny85 register table (also ATtiny25, ATtiny45.)
  Walking along the table below fills the bits of a Register
7654 3210
---- ----
/0123456789ABCDEF/
0R0R1R2R3R4R5R6R7R8R9R10R11R12R13R14R150
1R16R17R18R19R20R21R22R23R24R25R26R27R28R29R30R311
2ADCSRBADC
ADCW
ADCL
ADCSRAADMUXACSRUSICRUSISRUSIDR2
3USIBRGPIOR0GPIOR1GPIOR2DIDR0PCMSKPINBDDRBPORTBEECREEDREEAR
EEARL
EEARH3
4PRRWDTCRDWDRDTPS1DT1BDT1ACLKPRPLLCSROCR0BOCR0ATCCR0AOCR1BGTCCROCR1COCR1ATCNT14
5TCCR1OSCCALTCNT0TCCR0BMCUSRMCUCRSPMCSRTIFRTIMSKGIFRGIMSKSPLSPHSREG5
66
77
88
99
AA
BB
CC
DD
EE
FF
/0123456789ABCDEF/

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