参数资料
型号: ID80C52CXXX-16:D
厂商: ATMEL CORP
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 16 MHz, MICROCONTROLLER, CDIP40
封装: CERAMIC, DIP-40
文件页数: 24/134页
文件大小: 3805K
12
8068U–AVR–06/2013
XMEGA A3
Not recommended for new designs -
Use XMEGA A3U series
7.4.1
I/O Memory
All peripherals and modules are addressable through I/O memory locations in the data memory
space. All I/O memory locations can be accessed by the Load (LD/LDS/LDD) and Store
(ST/STS/STD) instructions, transferring data between the 32 general purpose registers in the
CPU and the I/O Memory.
The IN and OUT instructions can address I/O memory locations in the range 0x00 - 0x3F
directly.
I/O registers within the address range 0x00 - 0x1F are directly bit-accessible using the SBI and
CBI instructions. The value of single bits can be checked by using the SBIS and SBIC instruc-
tions on these registers.
The I/O memory address for all peripherals and modules in XMEGA A3 is shown in the ”Periph-
7.4.2
SRAM Data Memory
The XMEGA A3 devices have internal SRAM memory for data storage.
7.4.3
EEPROM Data Memory
The XMEGA A3 devices have internal EEPROM memory for non-volatile data storage. It is
addressable either in a separate data space or it can be memory mapped into the normal data
memory space. The EEPROM memory supports both byte and page access.
相关PDF资料
PDF描述
ID80C52EXXX-25:D 8-BIT, MROM, 25 MHz, MICROCONTROLLER, CDIP40
ID80C52EXXX-L16:D 8-BIT, MROM, 16 MHz, MICROCONTROLLER, CDIP40
ID80C52XXX-25:D 8-BIT, MROM, 25 MHz, MICROCONTROLLER, CDIP40
ID80C52XXX-36SHXXX:D 8-BIT, MROM, 36 MHz, MICROCONTROLLER, CDIP40
ID80C52XXX-L16:D 8-BIT, MROM, 16 MHz, MICROCONTROLLER, CDIP40
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