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| 型号： | R5F21294SNXXXSP |
| 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： | 14/71页 |
| 文件大小： | 552K |
| 代理商： | R5F21294SNXXXSP |
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R8C/28 Group, R8C/29 Group
3. Memory
Rev.1.10
REJ03B0169-0110
May 17, 2007
Page 14 of 67
3.2
R8C/29 Group
Figure 3.2 is a Memory Map of R8C/29 Group. The R8C/29 group has 1 Mbyte of address space from addresses
00000h to FFFFFh.
The internal ROM (program 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 ROM (data flash) is allocated addresses 02400h to 02BFFh.
The internal RAM area is allocated higher addresses, beginning with address 00400h. For example, a 1-Kbyte
internal RAM 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 3.2
Memory Map of R8C/29 Group
Undefined instruction
Overflow
BRK instruction
Address match
Single step
Watchdog timer/oscillation stop detection/voltage monitor
(Reserved)
(Reserved)
Reset
FFFFFh
0FFFFh
0YYYYh
00400h
002FFh
00000h
Internal ROM
(program ROM)
Expanded area
Internal RAM
SFR
(Refer to
4. Special
Function Registers
(SFRs)
)
0FFFFh
0FFDCh
Internal ROM
(data flash)
(1)
NOTES:
1. Data flash block A (1 Kbyte) and B (1 Kbyte) are shown.
2. The blank regions are reserved. Do not access locations in these regions.
0XXXXh
02400h
02BFFh
Part Number
Internal ROM
Internal RAM
Size
Address 0YYYYh
Size
Address 0XXXXh
8 Kbytes
16 Kbytes
0E000h
0C000h
512 bytes
1 Kbyte
005FFh
007FFh
R5F21294SNSP, R5F21294SDSP,
R5F21294JSP, R5F21294KSP,
R5F21294SNXXXSP, R5F21294SDXXXSP,
R5F21294JXXXSP, R5F21294KXXXSP
R5F21292SNSP, R5F21292SDSP,
R5F21292SNXXXSP, R5F21292SDXXXSP
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相关代理商/技术参数 |
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| R5F21296JSP | 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 |
| R5F21296JSP#W4 | 功能描述:MCU 32KB ROM 1.5KB RAM 20LSSOP RoHS:是 类别:集成电路 (IC) >> 嵌入式 - 微控制器， 系列:R8C/2x/29 标准包装:300 系列:78K0R/Ix3 核心处理器:78K/0R 芯体尺寸:16-位 速度:40MHz 连通性:3 线 SIO，I²C，LIN，UART/USART 外围设备:DMA，LVD，POR，PWM，WDT 输入/输出数:27 程序存储器容量:16KB（16K x 8） 程序存储器类型:闪存 EEPROM 大小:- RAM 容量:1K x 8 电压 - 电源 (Vcc/Vdd):2.7 V ~ 5.5 V 数据转换器:A/D 8x10b 振荡器型:内部 工作温度:-40°C ~ 85°C 封装/外壳:38-SSOP 包装:托盘 |
| R5F21296JXXXSP | 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 |
| R5F21296KSP | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:SINGLE-CHIP 16-BIT CMOS MCU |
| R5F21296KXXXSP | 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 |
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