参数资料
型号: MB89PV630C-SH
元件分类: 微控制器/微处理器
英文描述: 8-BIT, 10 MHz, MICROCONTROLLER, CDIP64
封装: CERAMIC, MDIP-64
文件页数: 75/153页
文件大小: 7326K
代理商: MB89PV630C-SH
HARDWARE CONFIGURATION
2-5
2.1.2 Arrangement of 16-bit Data in Memory
When the MB89630 series of microcontrollers handle 16-bit data, the data written at the lower address is
treated as the upper data and that written at the next address is treated as the lower data as shown in Fig-
ure 2.2.
Fig. 2.2 Arrangement of 16-bit Data in Memory
This is the same as when 16 bits are specified by the operand during execution of an instruction. Bits
closer to the OP code are treated as the upper byte and those next to it are treated as the lower byte. This
is also the same when the memory address or 16-bit immediate data is specified by the operand.
Fig. 2.3 Arrangement of 16-bit Data during Execution of Instruction
Data saved in the stack by an interrupt is also treated in the same manner.
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