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SH79F166AP044PR Datasheet(PDF) 90 Page - List of Unclassifed Manufacturers

Part # SH79F166AP044PR
Description  Enhanced 8051 microcontroller with 10-bit ADC
PDF  113 Pages
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Manufacturer  ETC1 [List of Unclassifed Manufacturers]
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SH79F166AP044PR Datasheet(HTML) 90 Page - List of Unclassifed Manufacturers

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SH79F166A
90
8.6 蜂鸣器
8.6.1 特性
 为音频发生器输出方波信号
 有8种频率可供选择输出或者禁止输出
8.6.2 寄存器
Table 8.30 蜂鸣器控制寄存器
BDH，Bank0
第7位
第6位
第5位
第4位
第3位
第2位
第1位
第0位
BUZCON
-
-
-
-
BCA2
BCA1
BCA0
BZEN
读/写
-
-
-
-
读/写
读/写
读/写
读/写
复位值
(POR/WDT/LVR/PIN)
-
-
-
-
0
0
0
0
位编号
位符号
说明
3-1
BCA[2:0]
蜂鸣器输出载波频率控制位
000：系统时钟/8192
001：系统时钟/4096
010：系统时钟/2048
011：系统时钟/1024
100：系统时钟/512
101：系统时钟/32
110：系统时钟/16
111：系统时钟/8
0
BZEN
蜂鸣器输出使能控制位
0：P5.3作为I/O口
1：P5.3作为蜂鸣器输出口



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