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參數(shù)資料
| 型號(hào)： | R5F212B8SNLG |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 16-BIT, FLASH, 20 MHz, MICROCONTROLLER, PBGA64 |
| 封裝： | 6 X 6 MM, 0.65 MM PITCH, PLASTIC, TFLGA-64 |
| 文件頁(yè)數(shù)： | 11/64頁(yè) |
| 文件大?。?/td> | 555K |
| 代理商： | R5F212B8SNLG |
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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.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| R5F212ACSNFA | 16-BIT, FLASH, 20 MHz, RISC MICROCONTROLLER, PQFP48 |
| R5F212BASDFA | 16-BIT, FLASH, 20 MHz, RISC MICROCONTROLLER, PQFP48 |
| R5F212BASDFP | 16-BIT, FLASH, 20 MHz, RISC MICROCONTROLLER, PQFP48 |
| R5F212BASNFA | 16-BIT, FLASH, 20 MHz, RISC MICROCONTROLLER, PQFP48 |
| R5F212ACSDFP | 16-BIT, FLASH, 20 MHz, RISC MICROCONTROLLER, PQFP48 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| R5F212B8SNLG#U0 | 制造商:Renesas Electronics Corporation 功能描述:MCU 2/5V 64+2KB 64-TFLGA - Trays 制造商:Renesas Electronics Corporation 功能描述:IC MCU 16BIT 64KB FLASH 64LGA |
| R5F212B8SNXXXFA | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:RENESAS MCU R8C FAMILY / R8C/2x SERIES |
| R5F212B8SNXXXFP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:RENESAS MCU R8C FAMILY / R8C/2x SERIES |
| R5F212B8SNXXXLG | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:RENESAS MCU R8C FAMILY / R8C/2x SERIES |
| R5F212BASDFA | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:MCU |
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