參數(shù)資料
型號: R5F21324ANSP
元件分類: 微控制器/微處理器
英文描述: 32-BIT, FLASH, 20 MHz, MICROCONTROLLER, PDSO20
封裝: 4.40 X 6.50 MM, 0.65 MM PITCH, PLASTIC, LSSOP-20
文件頁數(shù): 6/58頁
文件大?。?/td> 455K
代理商: R5F21324ANSP
R8C/32A Group
2. Central Processing Unit (CPU)
REJ03B0229-0100 Rev.1.00
Sep 10, 2009
Page 12 of 53
2.8.7
Interrupt Enable Flag (I)
The I flag enables maskable interrupts.
Interrupts 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.
相關PDF資料
PDF描述
R5F21322DNSP 8-BIT, FLASH, 20 MHz, MICROCONTROLLER, PDSO20
R5F21324CNSP 8-BIT, FLASH, 20 MHz, MICROCONTROLLER, PDSO20
R5F21324CNSP 8-BIT, FLASH, 20 MHz, MICROCONTROLLER, PDSO20
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相關代理商/技術參數(shù)
參數(shù)描述
R5F21324ANSP#U1 功能描述:MCU 1KB FLASH 16K ROM 20-LSSOP RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器, 系列:R8C/3x/32A 標準包裝: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 外圍設備:POR,PWM,WDT 輸入/輸出數(shù):40 程序存儲器容量:- 程序存儲器類型: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)轉換器:A/D 8x10b 振蕩器型:內部 工作溫度:-40°C ~ 85°C 封裝/外殼:68-LCC(J 形引線) 包裝:帶卷 (TR)
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