参数资料
型号: MB89T635P-SH
元件分类: 微控制器/微处理器
英文描述: 8-BIT, 10 MHz, MICROCONTROLLER, PDIP64
封装: SHRINK, DIP-64
文件页数: 73/153页
文件大小: 7326K
代理商: MB89T635P-SH
HARDWARE CONFIGURATION
2-3
2.1 CPU
This section describes the CPU hardware composition. The CPU has the following six functions.
Memory Space
Arrangement of 16-bit Data in Memory
Registers
Operation Modes and External Bus Operation
Clock Control Block
Interrupt Controller
2.1.1 Memory Space
The MB89630 series of microcontrollers have a memory area of 64 Kbytes. All I/O, data, and program
areas are located in this space. The I/O area is near the lowest address and the data area is immediately
above it. The data area may be divided into register, stack, and direct-address areas according to the appli-
cations. The program area is located near the highest address and the tables of interrupt and reset vectors
and vector-call instructions are at the highest address. Figure 2.1 shows the structure of the memory
space for the MB89630 series of microcontrollers.
Note: This ROM space can be used for external data in mode operation. The ROMs of the MB89W637
and MB89P637 are internal OTPROMs. The ROM space is from 8007
H to FFFFH.
Fig. 2.1 Memory Space of MB89630 Series of Microcontrollers
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