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HT56R22 Datasheet(PDF) 31 Page - Holtek Semiconductor Inc |
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HT56R22 Datasheet(HTML) 31 Page - Holtek Semiconductor Inc |
31 / 127 page HT56R22/HT56R23/HT56R24/HT56R25/HT56R26 Rev. 1.30 31 December 26, 2014 · Sleep Mode fM,fSLOW,fSYS,fS, CPU off; fSUB,fWDT on/off depending upon the WDT configuration option and WDT control register. For all devices, when the system enters the Sleep or Idle Mode, the high frequency system clock will always stop running. The accompanying tables shows the relation- ship between the CLKMOD bit, the HALT instruction and the high/low frequency oscillators. The CLMOD bit can change normal or Slow Mode. C L K M O D R e g i s t e r f S Y S s e l e c t 1 : f M 0 : f S L O W I d l e m o d e 1 : e n a b l e 0 : d i s a b l e H i g h o s c i l l a t o r r e a d y f l a g 1 : t i m e - o u t 0 : n o n - t i m e - o u t L o w o s c i l l a t o r r e a d y f l a g 1 : t i m e - o u t 0 : n o n - t i m e - o u t S P I / I C c o n t i n u e s r u n n i n g i n I d l e m o d e 1 : e n a b l e 0 : d i s a b l e f S L O W s e l e c t i o n b 0 I D L E N H L C L K H T O L T O b 7 S L O W C 0 S L O W C 1 S L O W C 2 f S L O W f S L f S L f M / 6 4 f M / 3 2 f M / 1 6 f M / 8 f M / 4 f M / 2 S L O W W C 2 0 0 0 0 1 1 1 1 S L O W W C 1 0 0 1 1 0 0 1 1 S L O W W C 0 0 1 0 1 0 1 0 1 S I M I D L E 2 Clock Control Register - CLKMOD · Operating Mode Control Operation Mode Description CPU fSYS fSUB NORMAL Mode On fM On SLOW0 Mode On fSL On SLOW1 Mode On fM/2~fM/64 On IDLE Mode Off Off On SLEEP Mode Off Off On/Off |
Similar Part No. - HT56R22_14 |
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Similar Description - HT56R22_14 |
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