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MC81F4316K 参数 Datasheet PDF下载

MC81F4316K图片预览
型号: MC81F4316K
PDF下载: 下载PDF文件 查看货源
内容描述: ABOV半导体的8位单芯片微控制器产品 [ABOV SEMICONDUCTOR 8-BIT SINGLE-CHIP MICROCONTROLLERS]
分类和应用: 半导体微控制器
文件页数/大小: 200 页 / 4220 K
品牌: FINECHIPS [ FINECHIPS ]
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MC81F4x16  
10.3 R2 Port Registers  
R2CONH R24~R27  
R2 PORT CONTROL HIGH REGISTER  
00D9H  
A reset clears the R2CONH register to 55H, makes the R27-R24 pins to open-drain output mode.  
You can use R2CONH register setting to select input or output mode (open-drain or push-pull) and  
enable alternative functions.  
When programming the port, please remember that any alternative peripheral I/O function that  
defined by the R2CONH register must also be enabled in the associated peripheral module.  
7
6
5
4
3
2
1
0
R27  
R/W  
R26  
R25  
R/W  
R24  
R/W  
R2CONH  
Reset value: 55H  
R/W  
R/W  
R/W  
R/W  
R/W  
00: Input mode  
01: Output mode, open-drain  
10: Alternative function (AN12)  
11: Output mode, push-pull  
00: Input mode  
R27  
R26  
R25  
R27/AN12  
R26/AN11  
R25/AN10  
01: Output mode, open-drain  
10: Alternative function (AN11)  
11: Output mode, push-pull  
00: Input mode  
01: Output mode, open-drain  
10: Alternative function (AN10)  
11: Output mode, push-pull  
00: Input mode  
01: Output mode, open-drain  
10: Not available  
R24  
R24  
11: Output mode, push-pull  
82  
October 19, 2009 Ver.1.35