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EM73PA88A 参数 Datasheet PDF下载

EM73PA88A图片预览
型号: EM73PA88A
PDF下载: 下载PDF文件 查看货源
内容描述: 4位微控制器的液晶显示器产品 [4-BIT MICRO-CONTROLLER FOR LCD PRODUCT]
分类和应用: 显示器微控制器
文件页数/大小: 45 页 / 410 K
品牌: ELAN [ ELAN MICROELECTRONICS CORP ]
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EM73PA88A  
4-BIT MICRO-CONTROLLER FOR LCD PRODUCT  
Increment  
Address  
Bank 0  
000h - 00Fh  
Zero-page  
010h - 01Fh  
020h - 02Fh  
:
:
:
0C0h - 0CFh  
0D0h - 0DFh  
Level 0  
Level 4  
Level 8  
Level 12  
Level 1  
Level 5  
Level 2  
Level 6  
Level 3  
Level 7  
0E0h - 0EFh  
0F0h - 0F3h  
Level 9 Level 10 Level 11  
Bank 1  
100h - 10Fh  
110h - 11Fh  
:
:
:
1E0h - 1EFh  
1F0h - 1FFh  
ZERO- PAGE:  
From 000h to 00Fh is the zero-page location. It is used as the zero-page address mode pointer for the  
instruction of "STD #k,y; ADD #k,y; CLR y,b; CMP k,y".  
PROGRAM EXAMPLE: To write immediate data "07h" to RAM [03] and to clear bit 2 of RAM [0Eh].  
STD #07h, 03h ; RAM[03] 07h  
CLR 0Eh,2 ; RAM[0Eh]2 0  
STACK:  
There are 13 - level (maximum) stack levels that user can use for subroutine (including interrupt and CALL).  
User can assign any level be the starting stack by providing the level number to stack pointer (SP).  
When an instruction (CALL or interrupt) is invoked, before enter the subroutine, the previous PC address  
is saved into the stack until returned from those subroutines, the PC value is restored by the data saved  
in stack.  
DATA AREA:  
Except the area used by user's application, the whole RAM can be used as data area for storing and loading  
general data.  
ADDRESSING MODE  
The 500 nibble data memory consists of two banks (bank 0 and bank 1). There are 244x4 bits (address  
000h~0F3h) in bank 0 and 256x4 bits (address 100h~1FFh) in bank 1.  
* This specification are subject to be changed without notice.  
10.8.2001  
9