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參數(shù)資料
| 型號(hào)： | EM73461 |
| 廠商： | ELAN Microelctronics Corp . |
| 英文描述： | Single Chip CMOS 4-Bit Micro-Controller for LCD Product(用于LCD顯示的工作電壓1.2V-1.8V和2.4V-3.6V的單片4位微控制器) |
| 中文描述： | 單芯片的CMOS 4位微控制器的LCD產(chǎn)品（用于液晶顯示的工作電壓為1.2V - 1.8V的和為2.4V至3.6V的單片4位微控制器） |
| 文件頁數(shù)： | 4/34頁 |
| 文件大?。?/td> | 197K |
| 代理商： | EM73461 |
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4
* This specification are subject to be changed without notice.
EM73461
4-BIT MICRO-CONTROLLER FOR LCD PRODUCT
7.1.1998
address 4096 x 8 bits
000h
Reset start address
002h
INT0; External interrupt service routine entry address
004h
HTCI; High speed timer interrupt service entry address
006h
TRGA; Timer/counterA interrupt service routine entry address
008h
TRGB; Timer/counter B interrupt service routine entry address
00Ah
TBI; Time base interrupt service routine entry address
00Ch
INT1; External interrupt service routine entry address
00Eh
086h
.
FFFh
User’s program and fixed data are stored in the program ROM. User’s program is according the PC value
to send next executed instruction code . Fixed data can be read out by two ways.
(1) Table-look-up instruction :
Table -look-up instruction is depended on the Data Pointer (DP) to indicate to ROM address, then to get the
ROM code data.
LDAX
LDAXI
Acc
←
ROM[DP]
L
Acc
←
ROM[DP]
H
,DP+1
DP is a 12-bit data register which can store the program ROM address to be the pointer for the ROM code
data. First, user load ROM address into DP by instruction "LDADPL, LDADPM, LDADPH", then user can
get the lower nibble of ROM code data by instruction "LDAX" and higher nibble by instruction "LDAXI"
.
SCALL, subroutine call entry address
PROGRAM EXAMPLE: Read out the ROM code of address 777h by table-look-up instruction.
LDIA #07h;
STADPL ; DP3-0
←
07h
STADPM ; DP5-4
←
07h
STADPH
; DP8-6
←
07h, Load DP=777h
:
LDL #00h;
LDH #03h;
LDAX
; ACC
←
6h
STAMI
; RAM[30]
←
6h
LDAXI
; ACC
←
5h
STAM
; RAM[31]
←
5h
;
ORG 777h
DATA 56h;
:
DATA RAM ( 244-nibble )
There is total 244 - nibble data RAM from address 00 to F3h
Data RAM includes 3 parts: zero page region, stacks and data area.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| EM73469A | 4-BIT MICRO-CONTROLLER FOR LCD PRODUCT |
| EM73469 | Single Chip CMOS 4-Bit Micro-Controller for LCD Product(用于LCD顯示的工作電壓1.2V-1.8V的單片4位微控制器) |
| EM73470 | 4-Bit Micro-Controller for Telecom Product(用于數(shù)字應(yīng)答控制器的4位微控制器) |
| EM73475 | Highly-Integrated Digital Answering Machine Controller(基于4位控制器的高集成數(shù)字電話應(yīng)答控制器) |
| EM73480 | Single Chip CMOS 4-Bit Micro-Controller for LCD Product(用于LCD顯示的工作電壓2.7V-3.3V的單片4位微控制器) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| EM73461A | 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:4-BIT MICRO-CONTROLLER FOR LCD PRODUCT |
| EM73461B | 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:4-BIT MICRO-CONTROLLER FOR LCD PRODUCT |
| EM73469A | 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:4-BIT MICRO-CONTROLLER FOR LCD PRODUCT |
| EM73866 | 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:4-BIT MICRO-CONTROLLER FOR LCD PRODUCT |
| EM73880 | 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:4-BIT MICRO-CONTROLLER FOR LCD PRODUCT |
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