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SH79F166AP044PR bảng dữ liệu(PDF) 34 Page - List of Unclassifed Manufacturers

tên linh kiện SH79F166AP044PR
Giải thích chi tiết về linh kiện  Enhanced 8051 microcontroller with 10-bit ADC
PDF  113 Pages
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nhà sản xuất  ETC1 [List of Unclassifed Manufacturers]
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SH79F166AP044PR bảng dữ liệu(HTML) 34 Page - List of Unclassifed Manufacturers

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SH79F166A
34
7.7 I/O端口
7.7.1 特性
 41个双向I/O端口
 I/O端口可与其它功能共用
SH79F166A提供41个位可编程双向I/O端口。端口数据在寄存器Px中。每个I/O口均有内部上拉电阻。端口控制寄存器
(PxCRy)控制端口是作为输入或者输出。当端口作为输入时,每个I/O端口带有由PxPCRy控制的内部上拉电阻(x = 0-5,y = 0-7)。
SH79F166A的有些I/O引脚能与选择功能共用。当所有功能都允许时,在CPU中存在优先权以避免功能冲突。(详见端口共
用章节)。
7.7.2 寄存器
Table 7.16 端口控制寄存器
E1H - E5H
第7位
第6位
第5位
第4位
第3位
第2位
第1位
第0位
P0CR (E1H, Bank0)
P0CR.7
P0CR.6
P0CR.5
P0CR.4
P0CR.3
P0CR.2
P0CR.1
P0CR.0
P1CR (E2H, Bank0)
P1CR.7
P1CR.6
P1CR.5
P1CR.4
P1CR.3
P1CR.2
P1CR.1
P1CR.0
P2CR (E3H, Bank0)
P2CR.7
P2CR.6
P2CR.5
P2CR.4
P2CR.3
P2CR.2
P2CR.1
P2CR.0
P3CR (E4H, Bank0)
P3CR.7
P3CR.6
P3CR.5
P3CR.4
P3CR.3
P3CR.2
P3CR.1
P3CR.0
P4CR (E5H, Bank0)
-
-
-
P4CR.4
P4CR.3
P4CR.2
P4CR.1
P4CR.0
P5CR (E1H, Bank1)
-
-
-
-
P5CR.3
P5CR.2
P5CR.1
P5CR.0
读/写
读/写
读/写
读/写
读/写
读/写
读/写
读/写
读/写
复位值
(POR/WDT/LVR/PIN)
0
0
0
0
0
0
0
0
位编号
位符号
说明
7-0
PxCRy
x = 0-5, y = 0-7
端口输入/输出控制寄存器
0:输入模式
1:输出模式
Table 7.17 端口上拉电阻控制寄存器
E9H - ECH
第7位
第6位
第5位
第4位
第3位
第2位
第1位
第0位
P0PCR (E9H, Bank0)
P0PCR.7
P0PCR.6
P0PCR.5
P0PCR.4
P0PCR.3
P0PCR.2
P0PCR.1
P0PCR.0
P1PCR (EAH, Bank0)
P1PCR.7
P1PCR.6
P1PCR.5
P1PCR.4
P1PCR.3
P1PCR.2
P1PCR.1
P1PCR.0
P2PCR (EBH, Bank0)
P2PCR.7
P2PCR.6
P2PCR.5
P2PCR.4
P2PCR.3
P2PCR.2
P2PCR.1
P2PCR.0
P3PCR (ECH, Bank0)
P3PCR.7
P3PCR.6
P3PCR.5
P3PCR.4
P3PCR.3
P3PCR.2
P3PCR.1
P3PCR.0
P4PCR (EDH, Bank0)
-
-
-
P4PCR.4
P4PCR.3
P4PCR.2
P4PCR.1
P4PCR.0
P5PCR (E9H, Bank1)
-
-
-
-
P5PCR.3
P5PCR.2
P5PCR.1
P5PCR.0
读/写
读/写
读/写
读/写
读/写
读/写
读/写
读/写
读/写
复位值
(POR/WDT/LVR/PIN)
0
0
0
0
0
0
0
0
位编号
位符号
说明
7-0
PxPCRy
x = 0-5, y = 0-7
输入端口内部上拉电阻控制
0:内部上拉电阻关闭
1:内部上拉电阻开启



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