R8C datasheet(184/199 Pages) RENESAS

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R8C/10 Group

20. Usage Notes for On-chip Debugger

Rev.1.20 Jan 27, 2006

page 174 of 180

REJ09B0019-0120

20. Usage notes for on-chip debugger

When using the on-chip debugger to develop the R8C/10 group program and debug,

pay the following attention.

(1) Do not use P00/AN7/TxD11 pin and P37/TxD10/RxD1 pin.

(2) When write in the PD3 register (00E716 address), set bit 7 to "0".

(3) Do not access the related serial interface 1 register.

(4) Do not use from OC00016 address to OC7FF16 address because the on-chip debugger uses these

addresses.

(5) Do not set the address match interrupt (the registers of AIER, RMAD0, RMAD1 and the fixed

vector tables) in a user system.

(6) Do not use the BRK instruction in a user system.

(7) Do not set the b5 to “0” by a user program since the on-chip debugger uses after setting the b5 in

the FMR0 register to “1”.

(8) The stack pointer with upto 8 bytes is used during the user program break. Therefore, save space

of 8 bytes for the stack area.

Connecting and using the on-chip debugger has some peculiar restrictions. Refer to each on-chip

debugger manual for on-chip debugger details.

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