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参数资料
| 型号： | R8C27 |
| 厂商： | Renesas Technology Corp. |
| 英文描述： | SINGLE-CHIP 16-BIT CMOS MCU |
| 中文描述： | 单片16位CMOS微控制器 |
| 文件页数： | 15/73页 |
| 文件大小： | 563K |
| 代理商： | R8C27 |
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R8C/26 Group, R8C/27 Group
3. Memory
Rev.1.30
REJ03B0168-0130
May 25, 2007
Page 15 of 69
3.
Memory
3.1
R8C/26 Group
Figure 3.1 is a Memory Map of R8C/26 Group. The R8C/26 group has 1 Mbyte of address space from addresses
00000h to FFFFFh.
The internal ROM is allocated lower addresses, beginning with address 0FFFFh. For example, a 16-Kbyte internal
ROM area is allocated addresses 0C000h to 0FFFFh.
The fixed interrupt vector table is allocated addresses 0FFDCh to 0FFFFh. They store the starting address of each
interrupt routine.
The internal RAM is allocated higher addresses beginning with address 00400h. For example, a 1-Kbyte internal
RAM area is allocated addresses 00400h to 007FFh. The internal RAM is used not only for storing data but also for
calling subroutines and as stacks when interrupt requests are acknowledged.
Special function registers (SFRs) are allocated addresses 00000h to 002FFh. The peripheral function control
registers are allocated here. All addresses within the SFR, which have nothing allocated are reserved for future use
and cannot be accessed by users.
Figure 3.1
Memory Map of R8C/26 Group
Undefined instruction
Overflow
BRK instruction
Address match
Single step
Watchdog timer/oscillation stop detection/voltage monitor
(Reserved)
(Reserved)
Reset
00400h
002FFh
00000h
Internal RAM
SFR
(Refer to
4. Special
Function Registers
(SFRs)
)
0FFFFh
0FFDCh
NOTE:
1. The blank regions are reserved. Do not access locations in these regions.
FFFFFh
0FFFFh
0YYYYh
Internal ROM
(program ROM)
Expanded area
0XXXh
Part Number
Internal ROM
Internal RAM
Size
Size
R5F21262SNFP, R5F21262SDFP,
R5F21262SNXXXFP, R5F21262SDXXXFP
R5F21264SNFP, R5F21264SDFP,
R5F21264JFP, R5F21264KFP,
R5F21264SNXXXFP, R5F21264SDXXXFP,
R5F21264JXXXFP, R5F21264KXXXFP
R5F21265SNFP, R5F21265SDFP
R5F21265SNXXXFP, R5F21265SDXXXFP
R5F21266SNFP, R5F21266SDFP,
R5F21266JFP, R5F21266KFP,
R5F21266SNXXXFP, R5F21266SDXXXFP,
R5F21266JXXXFP, R5F21266KXXXFP
8 Kbytes
16 Kbytes
24 Kbytes
32 Kbytes
0E000h
0C000h
0A000h
08000h
512 bytes
1 Kbyte
1.5 Kbytes
1.5 Kbytes
005FFh
007FFh
009FFh
009FFh
Address 0YYYYh
Address 0XXXXh
相关PDF资料 |
PDF描述 |
|---|---|
| R8C28 | SINGLE-CHIP 16-BIT CMOS MCU |
| R8C29 | SINGLE-CHIP 16-BIT CMOS MCU |
| R8C2A | MCU |
| R8C2B | MCU |
| R8C2C | MCU |
相关代理商/技术参数 |
参数描述 |
|---|---|
| R8C28 | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:SINGLE-CHIP 16-BIT CMOS MCU |
| R8C28_08 | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:RENESAS 16-BIT SINGLE-CHIP MCU R8C FAMILY / R8C/2x SERIES |
| R8C-28_1 | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:16-BIT SINGLE-CHIP MCU R8C FAMILY / R8C/2x SERIES |
| R8C28_10 | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:SINGLE-CHIP 16-BIT CMOS MCU |
| R8C29 | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:SINGLE-CHIP 16-BIT CMOS MCU |
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