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STC12LE5402 数据表(PDF) 58 Page - List of Unclassifed Manufacturers

部件名 STC12LE5402
功能描述  STC12C5410AD
Download  149 Pages
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制造商  ETC1 [List of Unclassifed Manufacturers]
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标志 ETC1 - List of Unclassifed Manufacturers

STC12LE5402 数据表(HTML) 58 Page - List of Unclassifed Manufacturers

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宏晶科技:www.MCU-Memory.com   Mobile:13922805190(姚永平)   Tel:0755-82948409    Fax: 0755-82944243
宏晶科技:专业单片机 / 存储器供应商   www.MCU-Memory.com   STC12C5410AD 系列 1T 8051 单片机中文指南
58
;例: Fosc = 18.432MHz, Baud0 = 57600 (12T 模式)
; 1. RELOAD = 256 - INT( 18432000/57600/32/12 + 0.5)
;           = 256 - INT( 0.833 + 0.5 )
;           = 256 - INT( 1.333 )
;           = 256 - 1
;           = 255
;           = 0FFH
; 2. Baud = 18432000/(256-255)/32/12
;         = 48000
; 3. error = (48000 - 57600)/57600 * 100%
;          = -16.66%
; 4.  误差很大,  要更换波特率或者更换晶体频率,  重新计算请见下一例
;例: Fosc = 18.432MHz, Baud0 = 9600 (12T 模式)
; 1. RELOAD = 256 - INT( 18432000/9600/32/12 + 0.5)
;           = 256 - INT( 5.5 )
;           = 256 - 5
;           = 251
;           = 0FBH
; 2. Baud = 18432000/(256-251)/32/12
;         = 9600
; 3. 一目了然, 误差等于零
;例: Fosc = 2.000MHz, Baud = 4800 (1T 模式)
; 1. RELOAD = 256 - INT( 2000000/4800/32 + 0.5)
;           = 256 - INT( 13.02 + 0.5 )
;           = 256 - INT( 13.52 )
;           = 256 - 13
;           = 243
;           = 0F3H
; 2. Baud = 2000000/(256-243)/32
;         = 4808
; 3. error = 0.16%
;------------------------------------------------------------------------------


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