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| 型号： | R5F21154DDD |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 16-BIT, FLASH, MICROCONTROLLER, PDIP20 |
| 封装： | 0.300 INCH, 1.78 MM PITCH, PLASTIC, SDIP-20 |
| 文件页数： | 4/36页 |
| 文件大小： | 650K |
| 代理商： | R5F21154DDD |
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Rev.0.10
Sep 06, 2004
Page 12 of 34
REJ03B0102-0010Z
Under development
R8C/14, R8C/15 Group
2. Central Processing Unit (CPU)
Preliminary specification
Specifications in this manual are tentative and subject to change.
2.1
Data Registers (R0, R1, R2 and R3)
The R0 register is a 16-bit register for transfer, arithmetic and logic operations. The same applies to R1
and R3. The R0 register can be split into high-order bit (R0H) and low-order bit (R0L) to be used
separately as 8-bit data registers. The same applies to R1H and R1L as R0H and R0L. R2 can be
combined with R0 to be used as a 32-bit data register (R2R0). The same applies to R3R1 as R2R0.
2.2
Address Registers (A0 and A1)
The A0 register is a 16-bit register for address register indirect addressing and address register relative
addressing. They also are used for transfer and arithmetic and logic operations. Same applies to A1 as
A0. A0 can be combined with A0 to be used as a 32-bit address register (A1A0).
2.3
Frame Base Register (FB)
FB is a 16-bit register for FB relative addressing.
2.4
Interrupt Table Register (INTB)
INTB, 20-bit register indicates the start address of an interrupt vector table.
2.5
Program Counter (PC)
PC, 20 bits wide indicates the address of an instruction to be executed.
2.6
User Stack Pointer (USP) and Interrupt Stack Pointer (ISP)
The stack pointer (SP), USP and ISP, are 16-bit wide each. The U flag of FLG is used to switch between
USP and ISP.
2.7
Static Base Register (SB)
SB is a 16-bit register for SB relative addressing.
2.8
Flag Register (FLG)
FLG is a 11-bit register indicating the CPU state.
2.8.1
Carry Flag (C Flag)
The C flag retains a carry, borrow, or shift-out bit that has occurred in the arithmetic/logic unit.
2.8.2
Debug Flag (D Flag)
The D flag is for debug only. Set to “0”.
2.8.3
Zero Flag (Z Flag)
The Z flag is set to “1” when an arithmetic operation resulted in 0; otherwise, “0”.
2.8.4
Sign Flag (S Flag)
The S flag is set to “1” when an arithmetic operation resulted in a negative value; otherwise, “0”.
2.8.5
Register Bank Select Flag (B Flag)
Register bank 0 is selected when the B flag is “0”. The register bank 1 is selected when this flag is
set to “1”.
2.8.6
Overflow Flag (O Flag)
The O flag is set to “1” when the operation resulted in an overflow; otherwise, “0”.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| R5F21154DSP#U0 | 制造商:Renesas Electronics Corporation 功能描述:MCU 16-Bit R8C CISC 16KB Flash 3.3V/5V 20-Pin LSSOP Tube 制造商:Renesas Electronics Corporation 功能描述:MCU 16BIT R8C CISC 16KB FLASH 3.3V/5V 20PIN LSSOP - Rail/Tube 制造商:Renesas Electronics Corporation 功能描述:IC MCU 16BIT 16KB FLASH 20SSOP |
| R5F21154DSP#V0 | 功能描述:IC R8C MCU FLASH 20LSSOP RoHS:是 类别:集成电路 (IC) >> 嵌入式 - 微控制器， 系列:R8C/1x/15 标准包装:96 系列:PIC® 16F 核心处理器:PIC 芯体尺寸:8-位 速度:20MHz 连通性:I²C，SPI 外围设备:欠压检测/复位，POR，PWM，WDT 输入/输出数:11 程序存储器容量:3.5KB（2K x 14） 程序存储器类型:闪存 EEPROM 大小:- RAM 容量:128 x 8 电压 - 电源 (Vcc/Vdd):2.3 V ~ 5.5 V 数据转换器:A/D 8x10b 振荡器型:内部 工作温度:-40°C ~ 125°C 封装/外壳:14-TSSOP（0.173"，4.40mm 宽） 包装:管件 |
| R5F21154DSP#W4 | 功能描述:IC R8C/15 MCU FLASH 16K 20SSOP RoHS:是 类别:集成电路 (IC) >> 嵌入式 - 微控制器， 系列:R8C/1x/15 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 |
| R5F21154SP | 制造商:Renesas Electronics Corporation 功能描述: 制造商:Renesas Electronics Corporation 功能描述:IC,microcontroller,R8C Tiny,SS |
| R5F21154SP#U0 | 制造商:Renesas Electronics Corporation 功能描述:MCU 16BIT R8C CISC 16KB FLASH 3.3V/5V 20PIN LSSOP - Rail/Tube 制造商:Renesas Electronics Corporation 功能描述:IC MCU 16BIT 16KB FLASH 20SSOP |
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