upd70f3422gj-gae-qs-ax Renesas Electronics Corporation., upd70f3422gj-gae-qs-ax Datasheet - Page 278

• Manufacturer Part Number: upd70f3422gj-gae-qs-ax
• Description: 32-bit Single-chip Microcontroller
• Manufacturer: Renesas Electronics Corporation.

Chapter 7
278
Caution
Note
To initialize an external memory area after a reset, register PRC has to be set if
page ROM mode is selected. Do not change this register after initialization. Do
not access external page ROM devices before initialization is finished.
To initialize an external memory area after a reset, this register has to be set.
Do not access external devices before initialization is finished. Do not change
this register while an external device is accessed.
Preliminary User’s Manual U17566EE1V2UM00
Bus and Memory Control (BCU, MEMC)