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Technical News: Additional Information for 7630 Group User's Manual

Technical correction for the Renesas 7630 Group User's Manual regarding status flag validity in decimal mode during ADC and SBC instructions.

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Overview

This technical news document (No. 7600-06-0111) provides a correction for the Renesas 7630 Group User's Manual (Revision 2.0, December 1999). The update addresses a documentation error in section 3.3 concerning notes on status flags in decimal mode. It clarifies that only the overflow flag (V) is invalid after the execution of ADC or SBC instructions when decimal mode is selected, correcting previous text that erroneously included the negative (N) and zero (Z) flags.

Use Cases

  • Firmware development for Renesas 7630 microcontrollers
  • Debugging arithmetic operations in decimal mode
  • Verifying CPU status register behavior

Topics

Renesas 7630 Group
7630 Group User's Manual
Status Register
Decimal Mode
ADC Instruction
SBC Instruction
V Flag
Microcontroller Errata

Referenced Parts

7630 Group

Renesas

Concerned Products 7630 Group