參數(shù)資料
型號: R5F21237JFP
元件分類: 微控制器/微處理器
英文描述: 16-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQFP48
封裝: 7 X 7 MM, 0.50 MM PITCH, PLASTIC, LQFP-48
文件頁數(shù): 9/34頁
文件大?。?/td> 456K
代理商: R5F21237JFP
REJ03B0237-0050 Rev.0.50 Jul 31, 2008
Page 17 of 111
Under development
Preliminary Specification
This is a preliminary specification and is subject to change.
R32C/121 Group
2. Central Processing Unit (CPU)
2.2
Fast Interrupt Registers
These registers are exclusively used to achieve high performance of interrupt sequence. Three types of
register are shown as below.
2.2.1
Save Flag Register (SVF)
This 32-bit register is used to save the flag register when a fast interrupt is generated.
2.2.2
Save PC Register (SVP)
This 32-bit register is used to save the program counter when a fast interrupt is generated.
2.2.3
Vector Register (VCT)
This 32-bit register is used to indicate a jump address when a fast interrupt is generated.
2.3
DMAC-associated Registers
Seven types of register are shown as below.
2.3.1
DMA Mode Registers (DMD0, DMD1, DMD2, and DMD3)
These 32-bit registers are used to set DMA transfer mode, bit rate etc.
2.3.2
DMA Terminal Count Registers (DCT0, DCT1, DCT2, and DCT3)
These 24-bit registers are used to set DMA transfer counting.
2.3.3
DMA Terminal Count Reload Registers (DCR0, DCR1, DCR2, and DCR3)
These 24-bit registers are used to set the reloaded value for DMA terminal count register.
2.3.4
DMA Source Address Registers (DSA0, DSA1, DSA2, and DSA3)
These 32-bit registers are used to set DMA source address.
2.3.5
DMA Source Address Reload Registers (DSR0, DSR1, DSR2, and DSR3)
These 32-bit registers are used to set the reloaded value for DMA source address register.
2.3.6
DMA Destination Address Registers (DDA0, DDA1, DDA2, and DDA3)
These 32-bit registers are used to set DMA destination address.
2.3.7
DMA Destination Address Reload Registers (DDR0, DDR1, DDR2, and
DDR3)
These 32-bit registers are used to set the reloaded value for DMA destination address register.
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相關代理商/技術參數(shù)
參數(shù)描述
R5F21237JFP#ES 功能描述:MCU 3/5V 48K+2K PB-FREE 48-LQFP RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器, 系列:R8C/2x/23 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(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)
R5F21237JFP#U0 制造商:Renesas Electronics Corporation 功能描述:MCU 16-bit R8C CISC 48KB Flash 3.3V/5V 48-Pin LQFP Tray 制造商:Renesas Electronics Corporation 功能描述:MCU 16BIT R8C CISC 48KB FLASH 3.3V/5V 48LQFP - Trays
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R5F21237JFP#UO 制造商:Renesas Electronics Corporation 功能描述:MCU 16-Bit R8C CISC 48KB Flash 3.3V/5V 48-Pin LQFP Tray
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