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R5F21134DFP 参数 Datasheet PDF下载

R5F21134DFP图片预览
型号: R5F21134DFP
PDF下载: 下载PDF文件 查看货源
内容描述: 16位单片机M16C族/ R8C / Tiny系列 [16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY/R8C/Tiny SERIES]
分类和应用: 微控制器和处理器外围集成电路计算机时钟
文件页数/大小: 224 页 / 2076 K
品牌: RENESAS [ RENESAS TECHNOLOGY CORP ]
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R8C/13 Group  
14. One-shot mode  
AD control register 0(1)  
b7 b6 b5 b4 b3 b2 b1 b0  
Symbol  
ADCON0  
Address  
00D616  
After reset  
00000XXX2  
0
0
Bit symbol  
Bit name  
Function  
RW  
RW  
(Note 4)  
Analog input pin select bit2  
CH0  
RW  
RW  
CH1  
CH2  
MD  
0 : One-shot mode  
AD operation mode select  
bit(2)  
RW  
RW  
0: Port P0 group selected (AN  
1: Port P1 group selected (AN  
0
8
to AN  
to AN11  
7)  
AD input group select bit(4)  
Reserved bit  
ADGSEL0  
)
Set to 0”  
RW  
RW  
(b5)  
A/D conversion start flag  
0 : A/D conversion disabled  
1 : A/D conversion started  
ADST  
Frequency select bit 0(3)  
0 : fAD/4 is selected  
1 : fAD/2 is selected  
CKS0  
RW  
NOTES:  
1. If the ADCON0 register is rewritten during A/D conversion, the conversion result is indeterminate.  
2. When changing A/D operation mode, set analog input pin again.  
3. This bit is valid when the CKS1 bit in the ADCON1 register is set to 0.  
4. The analog input pin can be selected by a combination of the CH2 to CH0 bits and ADGSEL0 bit as follows:  
CH2 to CH0  
ADGSEL0=0  
ADGSEL0=1  
AN  
AN  
AN  
AN  
AN  
AN  
AN  
AN  
0
1
2
3
4
5
6
7
000  
001  
010  
011  
100  
101  
110  
111  
2
2
2
2
2
2
2
2
Avoid these  
settings  
AN  
AN  
8
9
AN10  
AN11  
(1)  
AD control register 1  
b7 b6 b5 b4 b3 b2 b1 b0  
Symbol  
ADCON1  
Address  
00D716  
After reset  
0016  
0
0
0 0 0  
1
Bit symbol  
Bit name  
Reserved bit  
Function  
RW  
RW  
Set to 0”  
(b2-b0)  
BITS  
8/10-bit mode select  
bit  
0 : 8-bit mode  
1 : 10-bit mode  
RW  
RW  
Frequency select  
bit 1(2)  
0 : CKS0 bit in ADCON0 register is valid  
1 : fAD is selected  
CKS1  
Vref connect bit(3)  
1 : Vref connected  
VCUT  
RW  
RW  
Reserved bit  
Set to 0”  
(b6-b7)  
NOTES:  
1. If the ADCON1 register is rewritten during A/D conversion, the conversion result is indeterminate.  
2. The φAD frequency must be 10MHz or less.  
3. If the VCUT bit is reset from 0(Vref unconnected) to 1(Vref connected), wait for 1 µs or more before starting A/D  
conversion.  
Figure 14.4 ADCON0 Register and ADCON1 Registers in One-shot Mode  
Rev.1.20 Jan 27, 2006 page 129 of 205  
REJ09B0111-0120  
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