Part Number Search

Cross Reference Search

About information presented in this cross reference

The information presented in this cross reference is based on TOSHIBA's selection criteria and should be treated as a suggestion only. Please carefully review the latest versions of all relevant information on the TOSHIBA products, including without limitation data sheets and validate all operating parameters of the TOSHIBA products to ensure that the suggested TOSHIBA products are truly compatible with your design and application.
Please note that this cross reference is based on TOSHIBA's estimate of compatibility with other manufacturers' products, based on other manufacturers' published data, at the time the data was collected.
TOSHIBA is not responsible for any incorrect or incomplete information. Information is subject to change at any time without notice.

Keyword Search

Parametric Search

Stock Check & Purchase

Select Product Categories

Overall Configuration of the CPU: CPU Core (1)

Various registers
Various registers

PSW (Program Status Word)
A register that holds the operation results and the state of the instruction execution result.
It consists of various flags.

General-purpose Register
A storage circuit that stores the data.
General-purpose registers are called W, A, B, C, D, E, H, L, etc. depending on the location of the storage circuit.
A place where the calculation result is stored is called an accumulator. Ten registers of W, A, B, C, D, E, H, L, IX, and IY have the accumulator roles in the TLCS-870/C1.

Program counter (PC)
A storage circuit that stores a memory address to read instructions.

Chapter 4 Toshiba Microcontrollers, Example of Core (TLCS-870/C1)

Overall Configuration of the CPU
Overall Configuration of the CPU: CPU Core (2)
Overall Configuration of the CPU: Program Counter
Overall Configuration of the CPU: General-purpose Register
Overall Configuration of the CPU: PSW (Flag)
Overall Configuration of the CPU: Stack and Stack Pointer
Interrupt Processing
Interrupt Processing: Interrupt Type
Interrupt Processing: Maskable Interrupt
Interrupt Processing: Non Maskable Interrupt
A new window will open