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General| Brand | NEC |
|---|---|
| Model | switch |
| Category | Network Card |
| Language | English |
Precautions for preventing damage from static discharge to MOS devices.
Guidelines for connecting unused input pins in CMOS devices to prevent malfunction.
Information on device status before initialization after power-on.
Target audience for understanding the µPD789800 Subseries functions.
Guidance on navigating the manual for overall understanding and register format details.
Overview of the key features of the µPD789800 Subseries microcontrollers.
Details on part numbers, packages, and internal ROM configurations for ordering.
Visual representation of the µPD789800 Subseries pin layout and numbering.
A table detailing the function, I/O type, and alternate functions of each pin.
Detailed description of the functions of port pins like P00-P07, P10-P17, P20-P26, and P40-P47.
Explanation of pin I/O circuit types and guidance for connecting unused pins.
Overview of the memory map, including program, data, and special function register areas.
Description of control registers like Program Counter, PSW, and general-purpose registers.
Explanation of various instruction addressing modes used by the CPU.
Introduction to the port functions and control methods available in the µPD789800 Subseries.
Details on the hardware components that configure the ports, including registers and pull-up resistors.
Explanation of port mode registers, pull-up resistor option register, and port output mode registers.
Overview of the clock generator's role in supplying clocks to the CPU and peripherals.
Description of the Processor clock control register (PCC) for clock selection and division.
Information on the system clock oscillator, including crystal and external clock connections.
Description of the functions like interval timer, external event counter, and square-wave output.
Details on the control registers, including mode control and port mode registers.
Explanation of timer operations such as interval timer, external event counter, and square-wave output.
Overview of the watchdog timer's functions as a watchdog timer and an interval timer.
Description of registers like Timer clock select register 2 and Watchdog timer mode register.
Explanation of watchdog timer operation in watchdog timer mode and interval timer mode.
Introduction to the Universal Serial Bus (USB) and its topology.
Details on the hardware components that constitute the USB function.
Description of registers used to control USB receiver, packet modes, and status.
Explanation of the two modes of serial interface 10: operation stop and 3-wire serial I/O.
Details on the Serial operation mode register 10 (CSIM10) for controlling serial interface.
Block diagram illustrating the regulator and USB driver/receiver configuration.
Description of the two types of interrupts: non-maskable and maskable interrupts.
Overview of registers related to interrupt control, including flags and mode registers.
Explanation of how non-maskable and maskable interrupts are serviced.
Details on the standby function's modes (HALT, STOP) and configuration.
Explanation of how HALT and STOP modes are operated and released.
Block diagram illustrating the reset function's operation and components.
Table detailing the hardware status of various components after a reset operation.
Information on flash memory programming, environment, and advantages.
Guidance on processing VPP pin and serial interface pins during flash programming.
Recommended wiring examples for flash writing adapters using serial I/O.
Explanation of operand identifiers, description methods, and flag operation descriptions.
A comprehensive list of instructions with their operands, bytes, clocks, operation, and flag effects.
Categorization of instructions based on their addressing types for easier reference.
Table of absolute maximum ratings for electrical parameters of the µPD789800 Subseries.
DC electrical characteristics including output/input voltage, current, and leakage.
AC electrical characteristics related to timing and signal behavior for basic operations and serial interface.
Mechanical dimensions and specifications for the 44-pin plastic LQFP package.
Recommended conditions for soldering methods like infrared reflow, VPS, and wave soldering.
Information on the combined software tools package for 78K/0S Series development.
Details on hardware debugging tools such as in-circuit emulators and emulation probes.
Alphabetical listing of registers with their corresponding page numbers for quick reference.
Major revisions from previous editions, indicating applied chapters for the 2nd edition.
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