參數(shù)資料
型號(hào)： EM73492
廠商： ELAN Microelctronics Corp .
英文描述： 4-Bit Micro-Controller for Telecom Product(用于通訊產(chǎn)品和家用電器，工作電壓為2.2V-5.5V的4位微控制器)
中文描述： 4位微控制器的電信產(chǎn)品（用于通訊產(chǎn)品和家用電器，工作電壓為2.2伏至5.5V的4位微控制器）
文件頁(yè)數(shù)： 4/44頁(yè)
文件大?。?/td> 231K
代理商： EM73492
4
EM73492
4-BIT MICRO-CONTROLLER FOR TELECOM PRODUCT
* This specification are subject to be changed without notice.
7.17.1998
Symbol
P9.0/SI
Pin-type
I/O-C
Function
1-bit bidirection I/O pin is shared with SIO input pin
mask option :
open-drain
push-pull
1-bit bidirection I/O pin is shared with SIO output pin
mask option :
open-drain
push-pull
1-bit bidirection I/O pin is shared with SIO clock pin
mask option :
open-drain
push-pull
1-bit input pin with Sleep/Hold releasing function
mask option : none
pull-pull
1-bit output pin is shared with BEEP output pin
mask option : open-drain
push-pull
2-bit bidirection I/O port
mask option : open-drain
push-pull
DTMF output pin
Test pin must be connected to V
SS
P9.1/SO
I/O-D
P9.2/SCK
I/O-E
P14.0/WAKEUPE
INPUT-F
P20.0/BEEP
OUTPUT-B
P20(1..2)
OUTPUT-A
TONE
TEST
FUNCTION DESCRIPTIONS
PROGRAM ROM ( 4K X 8 bits )
4 K x 8 bits program ROM contains user’s program and some fixed data .
The basic structure of program ROM can be divided into 5 parts.
1. Address 000h: Reset start address.
2. Address 002h - 00Ch: 5 kinds of interrupt service rountine entry addresses .
3. Address 00Eh-086h : SCALL subroutine entry address, only available at 00Eh,016h,01Eh,026h, 02Eh,
036h, 03Eh, 046h, 04Eh, 056h, 05Eh, 066h, 06Eh, 076h ,07Eh, 086h .
4. Address 000h - 7FFh : LCALL subroutine entry address
5. Address FE0h - FFFh : The data region for 5-to-8 bits data conversion table .
6. Address 000h - FFFh : Except used as above function, the other region can be used as user’s program region.
address 4096 x 8 bits
000h
Reset start address
002h
INT0; External interrupt service routine entry address
004h
SIOI; SIO interrupt service routine 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
.
FE0h
FFFh
.
Data conversion table for "OUT12" instruction
SCALL, subroutine call entry address
相關(guān)PDF資料
PDF描述
EM73675 4-Bit Micro-Controller for Telecom Product(用于數(shù)字電話應(yīng)答控制器，工作電壓4.5V-5.5V的4位微控制器)
EM73676 4-Bit Micro-Controller for Telecom Product(用于數(shù)字電話應(yīng)答控制器，工作電壓4.5V-5.5V的4位微控制器)
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參數(shù)描述
EM73866 制造商:EMC 制造商全稱(chēng):ELAN Microelectronics Corp 功能描述:4-BIT MICRO-CONTROLLER FOR LCD PRODUCT
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