参数资料
型号: R5F212B7SNXXXFA
元件分类: 微控制器/微处理器
英文描述: 16-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQFP64
封装: 14 X 14 MM, 0.80 MM PITCH, PLASTIC, LQFP-64
文件页数: 11/64页
文件大小: 555K
代理商: R5F212B7SNXXXFA
R8C/2A Group, R8C/2B Group
2. Central Processing Unit (CPU)
Rev.2.10
Nov 26, 2007
Page 19 of 60
REJ03B0182-0210
2.8.7
Interrupt Enable Flag (I)
The I flag enables maskable interrupts.
Interrupt are 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 is 3 bits wide and assigns processor interrupt priority levels from level 0 to level 7.
If a requested interrupt has higher priority than IPL, the interrupt is enabled.
2.8.10
Reserved Bit
If necessary, set to 0. When read, the content is undefined.
相关PDF资料
PDF描述
R5F212B8SNXXXFA 16-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQFP64
R5F212BASDXXXFA 16-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQFP64
R5F212BASNLG 16-BIT, FLASH, 20 MHz, MICROCONTROLLER, PBGA64
R5F212BCSNXXXFP 16-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQFP64
R5F212BCSDXXXFA 16-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQFP64
相关代理商/技术参数
参数描述
R5F212B7SNXXXFP 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:RENESAS MCU R8C FAMILY / R8C/2x SERIES
R5F212B7SNXXXLG 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:RENESAS MCU R8C FAMILY / R8C/2x SERIES
R5F212B8SDFA 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:MCU
R5F212B8SDFA#U0 制造商:Renesas Electronics Corporation 功能描述:MCU 16-Bit R8C CISC 64KB Flash 2.5V/3.3V/5V 64-Pin LQFP
R5F212B8SDFA#V0 功能描述:IC R8C/2B MCU FLASH 64LQFP RoHS:是 类别:集成电路 (IC) >> 嵌入式 - 微控制器, 系列:R8C/2x/2B 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)