UPD789022

User’s Manual µPD789026 Subseries 8-Bit Single-Chip Microcontrollers www.DataSheet4U.com µPD789022 µPD789024 µPD789025 µPD789026 µPD78F9026A Document No. U11919EJ3V0UMJ1 (3rd edition) Date Published October 2000 N CP(K) © Printed in Japan 1998 1996, 1999 [MEMO] www.DataSheet4U.com 2 User's Manual U11919EJ3V0UM00 SUMMARY OF CONTENTS CHAPTER 1 CHAPTER 2 CHAPTER 3 CHAPTER 4 CHAPTER 5 CHAPTER 6 CHAPTER 7 CHAPTER 8 CHAPTER 9 GENERAL ....................................................................................................................................23 PIN FUNCTIONS..........................................................................................................................33 CPU ARCHITECTURE.................................................................................................................41 PORT FUNCTIONS......................................................................................................................69 CLOCK GENERATION CIRCUIT ................................................................................................85 16-BIT TIMER ..............................................................................................................................93 8-BIT TIMER/EVENT COUNTER...............................................................................................105 WATCHDOG TIMER .................................................................................................................