USBB17RX78K4-XXX NEC Electronics, USBB17RX78K4-XXX Datasheet - Page 4

• Manufacturer Part Number: USBB17RX78K4-XXX
• Description: 78K/4 series realtime OS
• Manufacturer: NEC Electronics

Series.
[Readers]
experience in software programming.
C-compiler” and “RA78K4 series assembler package” are necessary.
[Organization]
Thank you for buying NEC’s 78K/IV Series Real-time OS RX78K/IV, which is embedded software for the 78K/IV
This manual is intended to introduce to the user the general idea of 78K/IV series real-time OS RX78K/IV.
It is assumed that the readers of this manual have already read the user’s manual of the device and has
Note that this package only contains the real-time OS. To use the real-time OS actually, the “CC78K4 series
This manual is organized as follows:
CHAPTER 1 GENERAL
Describes general descriptions and execution environment of this real-time OS.
CHAPTER 2 BASIC FUNCTIONS OF RX78K/IV
Describes the basic functions of the real-time OS.
CHAPTER 3 RX78K/IV BASIC OPERATIONS AND CONTROL BLOCKS
Describes the operation and control block of the real-time OS.
CHAPTER 4 RX78K/IV SYSTEM CALL LIST
Describes system calls supplied by the real-time OS.
CHAPTER 5 RX78K/IV RESET OPERATION
Describes the operation to initialize this real-time OS.
APPENDIX 1 ERROR CODE LIST AND TASK STATUS LIST
Describes the return parameters of the system calls and task status.
APPENDIX 2 DESCRIPTION IN C LANGUAGE
Describes the functions supported by C compiler “CC78K4”.
APPENDIX 3 SYSTEM CALL LIST
Lists the system calls supported by this real-time OS.
APPENDIX 4 EXAMPLE OF CYCLIC HANDLER CODING
Shows examples of describing cyclic handlers.
APPENDIXES 5 AND 6 ESTIMATING MEMORY CAPACITY
Describes how to estimate the memory capacity used by this real-time OS, taking examples.
APPENDIX 7 STANDBY FUNCTION
Describes the method to implement the standby function supplied by the 78K/IV by using this real-time OS.
APPENDIX 8 MAXIMUM STACK SIZE USED BY EACH SYSTEM CALL
Indicates the stack capacity used when issuing each system call.
APPENDIX 9 RESTRICTIONS OF SYMBOL NAMES
Explains the symbol names used by this real-time OS.
INTRODUCTION