UPD784026 Renesas Electronics Corporation., UPD784026 Datasheet - Page 12

• Manufacturer Part Number: UPD784026
• Description: 16/8-bit Single-chip Microcontrollers
• Manufacturer: Renesas Electronics Corporation.

• If there are no particular differences in terms of function:
• If there are functional differences:
The PD784026 is treated as the representative model. Therefore, when using this manual as the PD784020,
784021, 784025 or 78P4026 user’s manual, PD784026 should be read as PD784020, 784021, 784025 or 78P4026,
as appropriate.
Unless otherwise specified, the PD784021 is treated as the representative ROM-less model. If you use this manual
as the user’s manual of the PD784020, read PD784021 as PD784020.
A separate description is given, mentioning the product name.
To find out about differences between the PD784026 subseries and the PD78234 subseries:
To check the details of a register when the register name is known:
If the device operates strangely after debugging:
For a general understanding of the functions
For the details of the instruction functions:
To find out about the electrical characteristics,
To find out about application examples of each function,
See APPENDIX A DIFFERENCES BETWEEN PD784026 SUBSERIES AND PD78234 SUBSERIES.
Use APPENDIX D REGISTER INDEX.
Cautions are summarized at the end of each chapter, so refer to the cautions for the relevant function.
Read in accordance with the TABLE OF CONTENTS.
Refer to the separate 78K/IV Series User’s Manual-Instruction (U10905E).
Refer to the individual data sheet.
Refer to the application note separately available.