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参数资料
| 型号： | R5F35L33KFF |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 16-BIT, FLASH, 32 MHz, MICROCONTROLLER, PQFP64 |
| 封装： | PLASTIC, LQFP-64 |
| 文件页数： | 16/25页 |
| 文件大小： | 309K |
| 代理商： | R5F35L33KFF |
Page 23 of 23
3. Memory
3.
Memory
SFRs are allocated from address 00000h to 003FFh and from 0D000h to 0D7FFh. Peripheral function
control registers are located here. All blank spaces within SFRs are reserved, so do not access any blank
spaces.
The internal RAM is allocated from address 00400h to higher. For example, a 8-Kbyte internal RAM is
addressed from 00400h to 023FFh. The internal RAM is used not only for data storage but also for stack
area when subroutines are called or when interrupt request are acknowledged.
The internal ROM is flash memory. There are data flash, program ROM 1, and program ROM 2.
The data flash is addressed from 0E000h to 0FFFFh. This data flash space is used not only for data storage
but also for program storage.
Program ROM 2 is assigned addresses 10000h to 13FFFh. Program ROM 1 is assigned addresses
FFFFFh to lower. For example, the 64-Kbyte program ROM 1 space has addresses F0000h to FFFFFh.
The special page vectors are assigned addresses FFE00h to FFFD7h. They are used for the JMPS
instruction and JSRS instruction. Refer to the M16C/60, M16C/20, M16C/Tiny Series Software Manual for
details.
The fixed vector table for interrupts is assigned addresses FFFDCh to FFFFFh.
The 256 bytes beginning with the start address set in the INTB register compose the relocatable vector table
for interrupts.
Figure 3.1
Memory Map
Notes:
1. Do not access the reserved areas.
2. The figure above applies under the following conditions:
-The PM10 bit in the PM1 register is set to 1 (addresses from 0E000h to 0FFFFh are used as data flash)
-The PRG2C0 bit in the PRG2C register is set to 0 (program ROM 2 enabled)
00000h
XXXXXh
0D000h
00400h
0D800h
0E000h
10000h
14000h
YYYYYh
FFFFFh
FFFDCh
FFFD8h
FFE00h
256 bytes beginning with the start
address set in the INTB register
13FFFh
13FF0h
13800h
Reserved
Internal ROM
(Data flash)
Internal ROM
(Program ROM 2)
SFRs
Internal RAM
Reserved
Internal ROM
(Program ROM 1)
Reserved
User boot code area
Relocatable vector table
Special page vector
table
Reserved
Fixed vector table
Internal RAM
Capacity
XXXXXh
4 Kbytes
013FFh
8 Kbytes
023FFh
12 Kbytes
033FFh
20 Kbytes
053FFh
Internal ROM
Capacity
YYYYYh
64 Kbytes
F0000h
96 Kbytes
E8000h
128 Kbytes
E0000h
256 Kbytes
C0000h
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