upd70f3017ay Renesas Electronics Corporation., upd70f3017ay Datasheet - Page 334

• Manufacturer Part Number: upd70f3017ay
• Description: V850/sa1tm 32-/16-bit Single-chip Microcontroller
• Manufacturer: Renesas Electronics Corporation.

334
(b)
µ
Set the DRAn register to a value in the range of 0000H to 0FFFH or 1000H to 1FFFH (n = 0 to 2).
Caution Do not set odd addresses for 16-bit transfer (DCHCn register DSn =1).
Remark
PD703017A, 703017AY, 70F3017A, 70F3017AY
Figure 12-3. Correspondence Between DRAn Setting Value and Internal RAM (8 KB)
The DRAn register setting values are in the parentheses.
xxFFEFFFH
xxFFDFFFH
xxFFCFFFH
xxFFBFFFH
xxFFFFFFH
xxFFD000H
xxFFC000H
xxFFF000H
xxFFE000H
CHAPTER 12 DMA FUNCTIONS
External memory area
On-chip peripheral
Internal RAM area
Access-prohibited
User’s Manual U12768EJ4V1UD
I/O area
area
(DRAn setting value)
(0FFFH)
8 KB (usable for DMA)
(0000H)
(1FFFH)
(1000H)