參數(shù)資料
型號: R5F364AMDFA
元件分類: 微控制器/微處理器
英文描述: 16-BIT, FLASH, 25 MHz, MICROCONTROLLER, PQFP100
封裝: 14 X 20 MM, 0.65 MM PITCH, PLASTIC, QFP-100
文件頁數(shù): 11/90頁
文件大?。?/td> 1261K
代理商: R5F364AMDFA
Page 19 of 88
3. Address Space
3.3
Accessible Area in Each Mode
Areas that can be accessed vary depending on processor mode and the status of each control bit. Figure
3.3 shows the Accessible Area in Each Mode.
In single-chip mode, the SFRs, internal RAM, and internal ROM can be accessed.
In memory expansion mode, the SFRs, internal RAM, internal ROM, and external areas can be accessed.
Address space is expandable to 4 MB with the memory area expansion function.
In microprocessor mode, the SFRs, internal RAM, and external areas can be accessed. Address space is
expandable to 4 MB with the memory area expansion function. Allocate ROM to the fixed vector table
from FFFDCh to FFFFFh.
Figure 3.3
Accessible Area in Each Mode
Notes:
1. Do not access reserved areas.
2. The figure above applies under the following conditions:
Single-chip mode and memory expansion mode
- The PM10 bit in the PM1 register is 1
(addresses f0E000h to 0FFFFh are used as data flash)
- The PRG2C0 bit in the PRG2C register is 0 (program ROM 2 enabled)
- The PM13 bit in the PM1 register is 1
(all areas in internal RAM, and the program ROM 1 area from 80000h are usable)
Microprocessor mode
- The PM10 bit is 0 (addresses 0E000h to 0FFFFh are used as the CS2 area)
- The PRG2C0 bit is 1 (program ROM 2 disabled)
00000h
0D000h
00400h
0D800h
0E000h
10000h
14000h
FFFFFh
28000h
27000h
80000h
00000h
0D000h
00400h
0D800h
0E000h
10000h
14000h
FFFFFh
Single-Chip Mode
Memory Expansion Mode
00000h
0D000h
00400h
0D800h
FFFFFh
28000h
27000h
Microprocessor Mode
Internal ROM
(data flash)
Internal ROM
(program ROM 2)
Reserved area
Internal ROM
(program ROM 1)
Reserved area
External area
Internal RAM
Reserved area
SFR
Reserved area
External area
Internal RAM
Reserved area
SFR
Reserved area
Internal RAM
Reserved area
SFR
Internal ROM
(data flash)
Internal ROM
(program ROM 2)
Internal ROM
(program ROM 1)
Reserved area
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