USBB17RX78K4-XXX NEC Electronics, USBB17RX78K4-XXX Datasheet - Page 11
USBB17RX78K4-XXX
Manufacturer Part Number
USBB17RX78K4-XXX
Description
78K/4 series realtime OS
Manufacturer
NEC Electronics
Datasheet
1.USBB17RX78K4-XXX.pdf
(96 pages)
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1.3 Outline and Features of RX78K/IV
(1) Conforms to
(2) Real-time/multi-task processing functions
(3) Designed for ROMization
(4) Convenient utilities for system configuration
(5) RX78K/IV supports the following cross tools for 78K/IV series.
(6) Two types of memory models supported
2
The system calls of the RX78K/IV conform to the
time OS for embedded control applications.
Many functions are provided to realize complete real-time/multi-task processing.
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Because the RX78K/IV is an operating system intended for embedded control application, it is designed to be
compact. System calls not used can be deleted when configuring a system.
Two utilities useful for configuring system are provided.
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The RX78K/IV supports the memory models supported by the CC78K4 as follows:
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Event-driven priority scheduling
Three types of synchronization/communication functions
Memory management function
Interrupt management function
Time management function
Configurator
High-level language interface
RA78K4
CC78K4
Large model (1M-byte space) : supports location 0fh
Small model (64K-byte space) : supports location 00h
m m
ITRON Ver.2.01
CHAPTER 1
m
ITRON specifications which are the specifications for a real-
GENERAL
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