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STC89LE53RC Datenblatt(PDF) 97 Page - STCmicro Technology Co,.Ltd

Teilenummer STC89LE53RC
Bauteilbeschribung  Enhanced 80C51 Central Processing Unit ,6T or 12T per machine cycle
PDF  165 Pages
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Hersteller  STC [STCmicro Technology Co,.Ltd]
Direct Link  http://www.stcmicro.com/
Logo STC - STCmicro Technology Co,.Ltd

STC89LE53RC Datenblatt(HTML) 97 Page - STCmicro Technology Co,.Ltd

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The following program is a assembly language code that domestrates Timer 1 of STC89xx series MCU acted as
baud rate generator.
;/*------------------------------------------------------------------------------------------------------------*/
;/* --- STC MCU International Limited ----------------------------------------------------------------*/
;/* --- STC 89xx Series MCU Timer 1 acted as Baud Rate Generoter Demo ------------------------*/
;/* If you want to use the program or the program referenced in the */
;/* article, please specify in which data and procedures from STC */
;/*--------------------------------------------------------------------------------------------------------------*/
;Declare STC89xx series MCU SFR
AUXR
EQU
8EH
;*/--------------------------------------------------------------------------------------------------------------*/
;Define baud rate auto-reload counter
;****************************************************************************
;The following Reload-Count and Baud is based on SYSclk =22.1184MHz, 1T mode, SMOD=1
;RELOAD_COUNT
EQU
0FFH
;Baud=1,382,400 bps
;RELOAD_COUNT
EQU
0FEH
;Baud=691,200 bps
;RELOAD_COUNT
EQU
0FDH
;Baud=460,800 bps
;RELOAD_COUNT
EQU
0FCH
;Baud=345,600 bps
;RELOAD_COUNT
EQU
0FBH
;Baud=276,480 bps
;RELOAD_COUNT
EQU
0FAH
;Baud=230,400 bps
;RELOAD_COUNT
EQU
0F4H
;Baud=115,200 bps
;RELOAD_COUNT
EQU
0E8H
;Baud=57,600 bps
;RELOAD_COUNT
EQU
0DCH
;Baud=38,400 bps
;RELOAD_COUNT
EQU
0B8H
;Baud=19,200 bps
;RELOAD_COUNT
EQU
70H
;Baud=9,600 bps
;*******************************************************************************
;The following Reload-Count and Baud is based on SYSclk =1.8432MHz, 1T mode, SMOD=1
;RELOAD_COUNT
EQU
0FFH
;Baud=115,200 bps
;RELOAD_COUNT
EQU
0FEH
;Baud=57,600 bps
;RELOAD_COUNT
EQU
0FDH
;Baud=38,400 bps
;RELOAD_COUNT
EQU
0FCH
;Baud=28,800 bps
;RELOAD_COUNT
EQU
0FAH
;Baud=19,200 bps
;RELOAD_COUNT
EQU
0F4H
;Baud=9,600 bps
;RELOAD_COUNT
EQU
0E8H
;Baud=4,800 bps
;RELOAD_COUNT
EQU
0D0H
;Baud=2,400 bps
;RELOAD_COUNT
EQU
0A0H
;Baud=1,200 bps
;********************************************************************************
;The following Reload-Count and Baud is based on SYSclk =18.432MHz, 1T mode, SMOD=1
;RELOAD_COUNT
EQU
0FFH
;Baud=1,152,000 bps
;RELOAD_COUNT
EQU
0FEH
;Baud=576,000 bps
;RELOAD_COUNT
EQU
0FDH
;Baud=288,000 bps
;RELOAD_COUNT
EQU
0FCH
;Baud=144,000 bps
;RELOAD_COUNT
EQU
0F6H
;Baud=115,200 bps
;RELOAD_COUNT
EQU
0ECH
;Baud=57,600 bps
97



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