参数资料
型号: R5F21172DSP
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: 4/38页
文件大小: 671K
代理商: R5F21172DSP
R8C/16 Group, R8C/17 Group
2. Central Processing Unit (CPU)
Rev.2.00
Jan 30, 2006
Page 12 of 35
REJ03B0101-0200
2.8.7
Interrupt Enable Flag (I)
The I flag enables a maskable interrupt.
An interrupt is disabled when the I flag is set to “0”, and are enabled when the I flag is set to “1”. The
I flag is set to “0” when an interrupt request is acknowledged.
2.8.8
Stack Pointer Select Flag (U)
ISP is selected when the U flag is set to “0”, USP is selected when the U flag is set to “1”.
The U flag is set to “0” when a hardware interrupt request is acknowledged or the INT instruction of
software interrupt numbers 0 to 31 is executed.
2.8.9
Processor Interrupt Priority Level (IPL)
IPL, 3 bits wide, assigns processor interrupt priority levels from level 0 to level 7.
If a requested interrupt has greater priority than IPL, the interrupt is enabled.
2.8.10
Reserved Bit
When write to this bit, set to “0”. When read, its content is indeterminate.
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相关代理商/技术参数
参数描述
R5F21172DSP#U0 制造商:Renesas Electronics Corporation 功能描述:MCU 16BIT R8C 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 制造商:Renesas Electronics Corporation 功能描述:MCU 16-bit R8C CISC 8KB Flash 3.3V/5V 20-Pin LSSOP Tube
R5F21172DSP#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/17 标准包装:60 系列:PSOC® 3 CY8C38xx 核心处理器:8051 芯体尺寸:8-位 速度:67MHz 连通性:EBI/EMI,I²C,LIN,SPI,UART/USART 外围设备:电容感应,DMA,LCD,POR,PWM,WDT 输入/输出数:25 程序存储器容量:64KB(64K x 8) 程序存储器类型:闪存 EEPROM 大小:2K x 8 RAM 容量:8K x 8 电压 - 电源 (Vcc/Vdd):1.71 V ~ 5.5 V 数据转换器:A/D 2x20b,D/A 4x8b 振荡器型:内部 工作温度:-40°C ~ 85°C 封装/外壳:48-VFQFN 裸露焊盘 包装:托盘
R5F21172SP#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 R8C CISC 8KB FLASH 3.3V/5V 20PIN LSSOP - Rail/Tube 制造商:Renesas Electronics Corporation 功能描述:MCU 16-bit R8C CISC 8KB Flash 3.3V/5V 20-Pin LSSOP Tube
R5F21172SP#UO 制造商:Renesas Electronics Corporation 功能描述:MICRO 16-BIT R8C/TINY R8C/17
R5F21172SP#V0 功能描述:IC R8C MCU FLASH 8K 20SSOP RoHS:是 类别:集成电路 (IC) >> 嵌入式 - 微控制器, 系列:R8C/1x/17 标准包装:250 系列:80C 核心处理器:8051 芯体尺寸:8-位 速度:16MHz 连通性:EBI/EMI,I²C,UART/USART 外围设备:POR,PWM,WDT 输入/输出数:40 程序存储器容量:- 程序存储器类型:ROMless EEPROM 大小:- RAM 容量:256 x 8 电压 - 电源 (Vcc/Vdd):4.5 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:68-LCC(J 形引线) 包装:带卷 (TR)