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参数资料
| 型号： | R5F21284KSP |
| 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： | 11/66页 |
| 文件大小： | 599K |
| 代理商： | R5F21284KSP |
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19
ATmega165A/PA/325A/PA/3250A/PA/645A/P/6450A/P [DATASHEET]
8285E–AVR–02/2013
instructions. For the Extended I/O space from 0x60 - 0xFF in SRAM, only the ST/STS/STD and LD/LDS/LDD
instructions can be used.
The lower 1,280/2,304/4,352 data memory locations address both the Register File, the I/O memory, Extended I/O
memory, and the internal data SRAM. The first 32 locations address the Register File, the next 64 location the
standard I/O memory, then 160 locations of Extended I/O memory, and the next 1024/2,048/4,096 locations
address the internal data SRAM.
The five different addressing modes for the data memory cover: Direct, Indirect with Displacement, Indirect, Indi-
rect with Pre-decrement, and Indirect with Post-increment. In the Register File, registers R26 to R31 feature the
indirect addressing pointer registers.
The direct addressing reaches the entire data space.
The Indirect with Displacement mode reaches 63 address locations from the base address given by the Y- or Z-
register.
When using register indirect addressing modes with automatic pre-decrement and post-increment, the address
registers X, Y, and Z are decremented or incremented.
The 32 general purpose working registers, 64 I/O Registers, 160 Extended I/O Registers, and the
1,024/2,048/4,096 bytes of internal data SRAM in the are all accessible through all these addressing modes. The
Register File is described in ”General purpose register file” on page 12.
Figure 8-2.
Data memory.
8.2.1
Data memory access times
This section describes the general access timing concepts for internal memory access. The internal data SRAM
access is performed in two clk
CPU cycles as described in Figure 8-3 on page 20.
32 Registers
64 I/O Registers
Internal SRAM
(1024 X 8)
(2048 x 8)
(4096 x 8)
0x0000 - 0x001F
0x0020 - 0x005F
0x04FF/0x08FF/0x10FF
0x0060 - 0x00FF
Data Memory
X 8
160 Ext I/O Reg.
0x0100
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相关代理商/技术参数 |
参数描述 |
|---|---|
| R5F21284KSP#U0 | 制造商:Renesas Electronics Corporation 功能描述:MCU 16-Bit R8C CISC 16KB Flash 3.3V/5V 20-Pin LSSOP 制造商:Renesas Electronics Corporation 功能描述:MCU 16BIT R8C CISC 16KB FLASH 3.3V/5V 20PIN LSSOP - Rail/Tube 制造商:Renesas Electronics Corporation 功能描述:IC MCU 16BIT 16KB FLASH 20SSOP |
| R5F21284KSP#V0 | 功能描述:IC R8C/28 MCU FLASH 20SSOP RoHS:是 类别:集成电路 (IC) >> 嵌入式 - 微控制器， 系列:R8C/2x/28 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 |
| R5F21284KXXXSP | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:RENESAS 16-BIT SINGLE-CHIP MCU R8C FAMILY / R8C/2x SERIES |
| R5F21284SDSP | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:SINGLE-CHIP 16-BIT CMOS MCU |
| R5F21284SDSP#U0 | 制造商:Renesas Electronics Corporation 功能描述:MCU 16-Bit R8C CISC 16KB Flash 3.3V/5V 20-Pin LSSOP 制造商:Renesas Electronics Corporation 功能描述:MCU 16BIT R8C CISC 16KB FLASH 3.3V/5V 20PIN LSSOP - Rail/Tube 制造商:Renesas Electronics Corporation 功能描述:8BITS FLASH MCU R8C/28 制造商:Renesas Electronics 功能描述:R8C 20MHz 制造商:Renesas Electronics Corporation 功能描述:IC R8C/28 MCU FLASH 20SSOP 制造商:Renesas Electronics Corporation 功能描述:R8C Series 16-bit 1 kB RAM 16 kB Flash 20 MHz Microcontroller - SSOP-20 制造商:Renesas 功能描述:MCU 16-Bit R8C CISC 16KB Flash 3.3V/5V 20-Pin LSSOP |
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