Toshiba TLCS-900/H1 Series Manual page 123

Original cmos 32-bit microcontroller

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(4) Bypassing boot ROM

After boot sequence in BOOT mode, an application system program may continue to

run without reset asserting. In this case, an external memory which is mapped to

address 3FE000H to 3FFFFFH cannot be accessed because the boot ROM is assigned.

BROMCR<ROMLESS> to "1".

This <ROMLESS> is initialized to "0" in BOOT mode. In any other starting mode,

this register is initialized to "1".

If this register has been set to "1", writing "0" is prohibited.

Note: Reset states differ depending on start modes.

Tmp92ch21fg Jtmp92ch21