参数资料
型号: R5F21181DSP
元件分类: 微控制器/微处理器
英文描述: 16-BIT, FLASH, 20 MHz, MICROCONTROLLER, PDSO20
封装: 4.40 X 6.50 MM, 0.65 MM PITCH, PLASTIC, LSSOP-20
文件页数: 8/43页
文件大小: 685K
代理商: R5F21181DSP
REJ03B0234-0030 Rev.0.30 Feb 14, 2008
Page 16 of 92
Under development
Preliminary Specification
Specifications in this preliminary version are subject to change.
R32C/157 Group
2. Central Processing Unit (CPU)
2.1
General Purpose Registers
2.1.1
Data Register (R2R0, R3R1, R6R4, and R7R5)
These 32-bit registers are primarily used for transfers and arithmetic/logic operations.
Each of the registers can be divided into high-order and low-order 16-bit registers, e.g. R2R0 can be
divided into R2 and R0, R3R0 can be divided into R3 and R1, etc.
Moreover, data registers R2R0 and R3R1 can be divided into four 8-bit data registers: high-order (R2h,
and R3H), mid-high-order(R2L, and R3L), mid-low-order (R0H, and R1H), and low-order (R0L, and
R1L).
2.1.2
Address Register (A0, A1, A2, and A3)
These 32-bit registers have the similar functions to the data registers. They are also used for address
register indirect addressing and address register relative addressing.
2.1.3
Static Base Register (SB)
This 32-bit register is used for SB relative addressing.
2.1.4
Frame Base Register (FB)
This 32-bit register is used for FB relative addressing.
2.1.5
Program Counter (PC)
This 32-bit counter indicates the address of instruction to be executed next.
2.1.6
Interrupt Table Register (INTB)
This 32-bit register indicates the start address of a relocatable vector table.
2.1.7
User Stack Pointer (USP) and Interrupt Stack Pointer (ISP)
Two types of 32-bit stack pointers (SPs) are provided: user stack pointer (USP) and interrupt stack
pointer (ISP). They are switched by the U flag. Refer to 2.1.8 “Flag Register (FLG)” for details on the
U flag.
The stack pointer (USP/ISP) to be used can be switched by the stack pointer select flag (U flag). This
flag is the bit 7 of the flag register (FLG).
A multiple of 4 should be set to USP or ISP, which enables faster interrupt sequence due to less mem-
ory access.
2.1.8
Flag Register (FLG)
This 32-bit register indicates the status of CPU.
2.1.8.1
Carry Flag (C flag)
This flag has a carry, borrow, or shifted-out bit etc. that has occurred in the arithmetic/logic unit.
2.1.8.2
Debug Flag (D flag)
This flag is exclusively used for debugger purpose. It should be written with 0.
2.1.8.3
Zero Flag (Z flag)
This flag becomes 1 when an operation results in 0; otherwise, it indicates 0.
2.1.8.4
Sign Flag (S flag)
This flag becomes 1 when an operation results in negative; otherwise, it indicates 0.
相关PDF资料
PDF描述
R5F21193NP 16-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQCC28
R5F21191DSP 16-BIT, FLASH, 20 MHz, MICROCONTROLLER, PDSO20
R5F21191SP 16-BIT, FLASH, 20 MHz, MICROCONTROLLER, PDSO20
R5F21183DD 16-BIT, FLASH, 20 MHz, MICROCONTROLLER, PDIP20
R5F21191SP 16-BIT, FLASH, 20 MHz, MICROCONTROLLER, PDSO20
相关代理商/技术参数
参数描述
R5F21181DSP#U0 制造商:Renesas Electronics Corporation 功能描述:MCU 16BIT M16C CISC 4KB FLASH 3.3V/5V 20PIN LSSOP - Rail/Tube 制造商:Renesas Electronics Corporation 功能描述:MCU 16-Bit R8C CISC 4KB Flash 3.3V/5V 20-Pin LSSOP Tube 制造商:Renesas Electronics Corporation 功能描述:IC MCU 16BIT 4KB FLASH 20SSOP
R5F21181DSP#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/18 其它有关文件:STM32F101T8 View All Specifications 特色产品:STM32 32-bit Cortex MCUs 标准包装:490 系列:STM32 F1 核心处理器:ARM? Cortex?-M3 芯体尺寸:32-位 速度:36MHz 连通性:I²C,IrDA,LIN,SPI,UART/USART 外围设备:DMA,PDR,POR,PVD,PWM,温度传感器,WDT 输入/输出数:26 程序存储器容量:64KB(64K x 8) 程序存储器类型:闪存 EEPROM 大小:- RAM 容量:10K x 8 电压 - 电源 (Vcc/Vdd):2 V ~ 3.6 V 数据转换器:A/D 10x12b 振荡器型:内部 工作温度:-40°C ~ 85°C 封装/外壳:36-VFQFN,36-VFQFPN 包装:托盘 配用:497-10030-ND - STARTER KIT FOR STM32497-8853-ND - BOARD DEMO STM32 UNIV USB-UUSCIKSDKSTM32-PL-ND - KIT IAR KICKSTART STM32 CORTEXM3497-8512-ND - KIT STARTER FOR STM32F10XE MCU497-8505-ND - KIT STARTER FOR STM32F10XE MCU497-8304-ND - KIT STM32 MOTOR DRIVER BLDC497-6438-ND - BOARD EVALUTION FOR STM32 512K497-6289-ND - KIT PERFORMANCE STICK FOR STM32MCBSTM32UME-ND - BOARD EVAL MCBSTM32 + ULINK-MEMCBSTM32U-ND - BOARD EVAL MCBSTM32 + ULINK2更多... 其它名称:497-9032STM32F101T8U6-ND
R5F21181SP 制造商:Renesas Electronics 功能描述:16 R8C/1x 20MHz 20LSSOP 4KB Tube 制造商:Renesas Electronics Corporation 功能描述:IC,microcontroller,R8 Tiny,SSO 制造商:Renesas 功能描述:MCU 16-Bit R8C CISC 4KB Flash 3.3V/5V 20-Pin SSOP
R5F21181SP#U0 制造商:Renesas Electronics Corporation 功能描述:MCU 16-Bit R8C CISC 4KB Flash 3.3V/5V 20-Pin LSSOP Tube 制造商:Renesas Electronics Corporation 功能描述:MCU 16BIT R8C CISC 4KB FLASH 3.3V/5V 20PIN LSSOP - Rail/Tube 制造商:Renesas Electronics 功能描述:M16C 20MHz 制造商:Renesas Electronics Corporation 功能描述:IC R8C MCU FLASH 4K 20SSOP 制造商:Renesas 功能描述:MCU 16-Bit R8C CISC 4KB Flash 3.3V/5V 20-Pin LSSOP Tube
R5F21181SP#V0 功能描述:IC R8C MCU FLASH 4K 20SSOP RoHS:是 类别:集成电路 (IC) >> 嵌入式 - 微控制器, 系列:R8C/1x/18 标准包装:250 系列:LPC11Uxx 核心处理器:ARM? Cortex?-M0 芯体尺寸:32-位 速度:50MHz 连通性:I²C,Microwire,SPI,SSI,SSP,UART/USART,USB 外围设备:欠压检测/复位,POR,WDT 输入/输出数:40 程序存储器容量:96KB(96K x 8) 程序存储器类型:闪存 EEPROM 大小:4K x 8 RAM 容量:10K x 8 电压 - 电源 (Vcc/Vdd):1.8 V ~ 3.6 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:48-LQFP 包装:托盘 其它名称:568-9587