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參數(shù)資料
| 型號： | R5F64201JFB |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 32-BIT, FLASH, 64 MHz, MICROCONTROLLER, PQFP100 |
| 封裝： | 14 X 14 MM, 0.50 MM PITCH, PLASTIC, LQFP-100 |
| 文件頁數(shù)： | 17/103頁 |
| 文件大小： | 1017K |
| 代理商： | R5F64201JFB |
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REJ03B0236-0110 Rev.1.10 Mar 02, 2010
Page 18 of 97
R32C/120 Group
3. Memory
3.
Memory
Figure 3.1 shows the memory map of the R32C/120 Group.
The R32C/120 Group provides a 4-Gbyte address space from 00000000h to FFFFFFFFh.
The internal ROM is mapped to the end of the memory map with the ending address fixed at FFFFFFFFh.
Therefore, the 256-Kbyte internal ROM is mapped from FFFC0000h to FFFFFFFFh.
The fixed interrupt vector table which contains each start address of interrupt handlers is mapped from
FFFFFFDCh to FFFFFFFFh.
The internal RAM is mapped to the beginning of the memory map with the starting address fixed at
00000400h. Therefore, the 20-Kbyte internal RAM is mapped from 00000400h to 000053FFh. Besides
being used for data storage, the internal RAM functions as a stack(s) for subroutines and/or interrupt
handlers.
Special Function Registers (SFRs), which are control registers for peripheral functions, are mapped from
00000000h to 000003FFh, and from 00040000h to 0004FFFFh. Unoccupied SFR locations are reserved.
No access is allowed.
Figure 3.1
Memory Map
Internal RAM
SFR1
SFR2
Internal ROM
000 00000 h
FFFFFFFFh
Reset
NMI
Reserved
Watchdog timer (2)
Reserved
BRK instruction
Overflow
Undefined instruction
FFFFFFFFh
FFFFFFDCh
Notes:
1. Additional two 4-Kbyte spaces (blocks A and B) for storing data are provided in the flash memory version.
2. The watchdog timer interrupt shares the vector table with the oscillator stop detection interrupt and low
voltage detection interrupt.
YYYYYYYYh
0000 0400h
XXXXXXXXh
Reserved
0004 0000h
Internal ROM
(Data space) (1)
0006 0000h
0006 2000h
Reserved
000 50000 h
Reserved
Internal RAM
Capacity
XXXXXXXXh
12 Kbytes
00003400h
Internal ROM
Capacity
YYYYYYYYh
128 Kbytes
FFFE0000h
256 Kbytes
FFFC0000h
20 Kbytes
00005400h
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| R5F64201KFB | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:RENESAS MCU |
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| R5F64206KFB | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:RENESAS MCU |
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