R8C29 Datasheet, PDF (453/471 Pages) Renesas Technology Corp – RENESAS 16-BIT SINGLE-CHIP MCU R8C FAMILY / R8C/2x SERIES

R8C/28 Group, R8C/29 Group
22. Notes on On-Chip Debugger
22. Notes on On-Chip Debugger
When using the on-chip debugger to develop and debug programs for the R8C/28 Group and R8C/29 Group take note
of the following.
(1) Do not access the registers associated with UART1.
(2) Some of the user flash memory and RAM areas are used by the on-ship debugger. These areas cannot be
accessed by the user.
Refer to the on-chip debugger manual for which areas are used.
(3) Do not set the address match interrupt (registers AIER, RMAD0, and RMAD1 and fixed vector tables) in a
user system.
(4) Do not use the BRK instruction in a user system.
(5) Debugging is available under the condition of supply voltage VCC = 2.7 to 5.5 V. Debugging with the on-chip
debugger under less than 2.7 V is not allowed.
Connecting and using the on-chip debugger has some special restrictions. Refer to the on-chip debugger manual for
details.
Rev.2.10 Sep 26, 2008 Page 436 of 441
REJ09B0279-0210