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HT46C63 参数 Datasheet PDF下载

HT46C63图片预览
型号: HT46C63
PDF下载: 下载PDF文件 查看货源
内容描述: A / D with LCD型8位MCU [A/D with LCD Type 8-Bit MCU]
分类和应用: 微控制器和处理器
文件页数/大小: 44 页 / 323 K
品牌: HOLTEK [ HOLTEK SEMICONDUCTOR INC ]
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HT46R63/HT46C63  
Label (ADCR)  
Bits  
Functions  
ACS2, ACS1, ACS0: A/D channel selection  
0,0,0: AN0  
0,0,1: AN1  
0,1,0: AN2  
0,1,1: AN3  
1,0,0: AN4  
1,0,1: AN5  
1,1,0: AN6  
1,1,1: AN7  
ACS0  
ACS1  
ACS2  
0
1
2
PCR2, PCR1, PCR0: PB7~PB0 pad functions  
0,0,0: PB7, PB6, PB5, PB4, PB3, PB2, PB1, PB0  
0,0,1: PB7, PB6, PB5, PB4, PB3, PB2, PB1, AN0  
0,1,0: PB7, PB6, PB5, PB4, PB3, PB2, AN1, AN0  
0,1,1: PB7, PB6, PB5, PB4, PB3, AN2, AN1, AN0  
1,0,0: PB7, PB6, PB5, PB4, AN3, AN2, AN1, AN0  
1,0,1: PB7, PB6, PB5, AN4, AN3, AN2, AN1, AN0  
1,1,0: PB7, PB6, AN5, AN4, AN3, AN2, AN1, AN0  
1,1,1: AN7, AN6, AN5, AN4, AN3, AN2, AN1, AN0  
PCR0  
PCR1  
PCR2  
3
4
5
End of A/D conversion flag  
(0: end of A/D conversion)  
EOCB  
START  
Note:  
6
7
A/D conversion sequence (START=010)  
0: Initial value after chip RESET  
0®1: Initial next A/D conversion.  
1: reset A/D converter and set EOCB to ²1²  
1®0: Starts the A/D conversion.  
0: Normal state for A/D  
It is recommended that START is ²0² and PCR2~PCR0 is ²000² before MCU entering HALT mode.  
HALT will not standby the A/D converter automatically.  
ACSR Register  
Label (ACSR)  
Bits  
Functions  
ADCS1, ADCS0: Selects the A/D converter clock source  
0,0: fSYS/2  
ADCS0  
ADCS1  
0
1
0,1: fSYS/8  
1,0: fSYS/32  
1,1: Cannot be used  
Comparator control (*)  
0: Disable  
CMPC  
¾
2
3~6  
7
1: Enable  
Unused bit, read as ²0²  
For test mode used only  
0: Normal mode  
TEST  
1: TEST only, cannot be used  
Note:  
²*² This bit is 0 during reset.  
Rev. 1.90  
22  
May 17, 2004  
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