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參數(shù)資料
| 型號： | R5F21112DFP |
| 廠商： | Renesas Technology Corp. |
| 英文描述： | SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| 中文描述： | 單片16位CMOS微機(jī) |
| 文件頁數(shù)： | 29/29頁 |
| 文件大?。?/td> | 275K |
| 代理商： | R5F21112DFP |
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Rev.1.40
Sep 30, 2004
page 9 of 26
REJ03B0034-0140Z
R8C/11 Group
3. Memory
3. Memory
Figure 3.1 is a memory map of this MCU. The address space extends the 1M bytes from address 0000016
to FFFFF16.
The internal ROM is allocated in a lower address direction beginning with address 0FFFF16. For example,
a 16-Kbyte internal ROM is allocated to the addresses from 0C00016 to 0FFFF16.
The fixed interrupt vector table is allocated to the addresses from 0FFDC16 to 0FFFF16. Therefore, store
the start address of each interrupt routine here.
The internal RAM is allocated in an upper address direction beginning with address 0040016. For example,
a 1-Kbyte internal RAM is allocated to the addresses from 0040016 to 007FF16. In addition to storing data,
the internal RAM also stores the stack used when calling subroutines and when interrupts are generated.
Special function registers (SFR) are allocated to the addresses from 0000016 to 002FF16. Peripheral func-
tion control registers are located here. Of the SFR, any space which has no functions allocated is reserved
for future use and cannot be used by users.
Figure 3.1 Memory Map
0000016
0YYYY16
0FFFF16
002FF16
0040016
Internal ROM
SFR
(See Chapter 4 for details.)
0FFDC16
0FFFF16
Undefined instruction
Overflow
BRK instruction
Address match
Single step
Watchdog timer,Oscillation stop detection,Voltage detection
Reset
(Reserved)
Type name
0XXXX16
Internal RAM
FFFFF16
Address 0XXXX16
005FF16
Internal RAM
Size
007FF16
512 bytes
1K bytes
006FF16
768 bytes
Address 0YYYY16
0E00016
Internal ROM
Size
0C00016
8K bytes
16K bytes
0D00016
12K bytes
Expanding area
(Reserved)
R5F21114FP, R5F21114DFP
R5F21113FP, R5F21113DFP
R5F21112FP, R5F21112DFP
NOTES :
1. Blank spaces are reserved. No access is allowed.
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| R5F21112DFP#U0 | 制造商:Renesas Electronics Corporation 功能描述:MCU 16BIT R8C CISC 8KB FLASH 3.3V/5V 32LQFP - Trays 制造商:Renesas Electronics Corporation 功能描述:IC MCU 16BIT 8KB FLASH 32LQFP |
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| R5F21112FP | 制造商:Renesas Electronics Corporation 功能描述:MCU 16BIT R8C CISC 8KB FLASH 3.3V/5V 32LQFP - Trays |
| R5F21112FP#U0 | 制造商:Renesas Electronics Corporation 功能描述:MCU 16-Bit R8C CISC 8KB Flash 3.3V/5V 32-Pin LQFP Tray 制造商:Renesas Electronics Corporation 功能描述:MCU 16BIT R8C CISC 8KB FLASH 3.3V/5V 32LQFP - Trays 制造商:Renesas Electronics Corporation 功能描述:IC R8C MCU FLASH 8K 32LQFP 制造商:Renesas 功能描述:MCU 16-Bit R8C CISC 8KB Flash 3.3V/5V 32-Pin LQFP Tray |
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