參數(shù)資料
型號: MR80C52TXXX-30SBD
廠商: TEMIC SEMICONDUCTORS
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 30 MHz, MICROCONTROLLER, CQCC44
文件頁數(shù): 9/141頁
文件大?。?/td> 7628K
代理商: MR80C52TXXX-30SBD
18
2486AA–AVR–02/2013
ATmega8(L)
SRAM Data
Memory
Figure 8 shows how the Atmel
AVR SRAM Memory is organized.
The lower 1120 Data memory locations address the Register File, the I/O Memory, and the inter-
nal data SRAM. The first 96 locations address the Register File and I/O Memory, and the next
1024 locations address the internal data SRAM.
The five different addressing modes for the Data memory cover: Direct, Indirect with Displace-
ment, Indirect, Indirect 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-register or Z-register.
When using register indirect addressing modes with automatic pre-decrement and post-incre-
ment, the address registers X, Y and Z are decremented or incremented.
The 32 general purpose working registers, 64 I/O Registers, and the 1024 bytes of internal data
SRAM in the ATmega8 are all accessible through all these addressing modes. The Register File
Figure 8. Data Memory Map
Register File
R0
R1
R2
R29
R30
R31
I/O Registers
$00
$01
$02
...
$3D
$3E
$3F
...
$0000
$0001
$0002
$001D
$001E
$001F
$0020
$0021
$0022
...
$005D
$005E
$005F
...
Data Address Space
$0060
$0061
$045E
$045F
...
Internal SRAM
相關PDF資料
PDF描述
MR80C52EXXX-12/883:R 8-BIT, MROM, 12 MHz, MICROCONTROLLER, CQCC44
MR80C52XXX-12 8-BIT, MROM, 12 MHz, MICROCONTROLLER, CQCC44
MF180C51T-12D 8-BIT, MROM, 12 MHz, MICROCONTROLLER, PQFP44
MR80C32-12:D 8-BIT, 12 MHz, MICROCONTROLLER, CQCC44
MR80C32E-36:D 8-BIT, 36 MHz, MICROCONTROLLER, CQCC44
相關代理商/技術(shù)參數(shù)
參數(shù)描述
MR80C86 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:CMOS 16-Bit Microprocessor
MR80C86/B 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Harris Corporation 功能描述:Microprocessor, 16 Bit, 44 Pin, Ceramic, LCC
MR80C86-2 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:CMOS 16-Bit Microprocessor
MR80C86-2/883 制造商:Rochester Electronics LLC 功能描述:- Bulk
MR80C86-2/B 制造商:Intersil Corporation 功能描述:MPU 80C86 16BIT CMOS 8MHZ 44PLCC - Rail/Tube