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參數(shù)資料
| 型號(hào)： | R5F21182DD |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 16-BIT, FLASH, 20 MHz, MICROCONTROLLER, PDIP20 |
| 封裝： | 6.30 X 19 MM, 1.78 MM PITCH, PLASTIC, SDIP-20 |
| 文件頁數(shù)： | 8/43頁 |
| 文件大?。?/td> | 685K |
| 代理商： | R5F21182DD |
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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.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| R5F21182DD#U0 | 制造商:Renesas Electronics Corporation 功能描述:MCU 16BIT M16C CISC 8KB FLASH 3.3V/5V 20PIN SDIP - Rail/Tube |
| R5F21182DD#V0 | 功能描述:IC R8C MCU FLASH 20SDIP RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:R8C/1x/18 標(biāo)準(zhǔn)包裝:250 系列:80C 核心處理器:8051 芯體尺寸:8-位 速度:16MHz 連通性:EBI/EMI，I²C，UART/USART 外圍設(shè)備:POR，PWM，WDT 輸入/輸出數(shù):40 程序存儲(chǔ)器容量:- 程序存儲(chǔ)器類型:ROMless EEPROM 大小:- RAM 容量:256 x 8 電壓 - 電源 (Vcc/Vdd):4.5 V ~ 5.5 V 數(shù)據(jù)轉(zhuǎn)換器:A/D 8x10b 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 85°C 封裝/外殼:68-LCC（J 形引線） 包裝:帶卷 (TR) |
| R5F21182DDD#U0 | 制造商:Renesas Electronics Corporation 功能描述:MCU 16BIT M16C CISC 8KB FLASH 3.3V/5V 20PIN SDIP - Rail/Tube |
| R5F21182DSP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:RENESAS 16-BIT SINGLE-CHIP MCU R8C FAMILY / R8C/1x SERIES |
| R5F21182DSP#U0 | 制造商:Renesas Electronics Corporation 功能描述:MCU 16-bit R8C CISC 8KB Flash 3.3V/5V 20-Pin LSSOP Tube 制造商:Renesas Electronics Corporation 功能描述:MCU 16BIT M16C CISC 8KB FLASH 3.3V/5V 20PIN LSSOP - Rail/Tube 制造商:Renesas Electronics Corporation 功能描述:IC MCU 16BIT 8KB FLASH 20SSOP |
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