參數(shù)資料
型號: S1C63406D0A0100
元件分類: 微控制器/微處理器
英文描述: MICROCONTROLLER, UUC103
封裝: DIE-103
文件頁數(shù): 93/151頁
文件大?。?/td> 1171K
代理商: S1C63406D0A0100
38
EPSON
S1C63406/408 TECHNICAL MANUAL
CHAPTER 4: PERIPHERAL CIRCUITS AND OPERATION (Output Ports)
FOUT (R13)
The R13 terminal can output a FOUT signal.
The FOUT signal is a clock that is output from the oscillation circuit or a clock that the fOSC1 clock has
divided in the internal circuit, and can be used to provide a clock signal to an external device.
To output the FOUT signal, fix the R13 register at "1" and turn the signal ON and OFF using the
FOUTE register.
The frequency of the output clock may be selected from among 8 types shown in Table 4.5.4.2 by
setting the FOFQ0–FOFQ2 registers.
Table 4.5.4.2 FOUT clock frequency
FOFQ1
1
0
1
0
FOFQ2
1
0
FOFQ0
1
0
1
0
1
0
1
0
Clock frequency
fOSC3
fOSC3/2
fOSC1
fOSC1/4
fOSC1/8
fOSC1/16
fOSC1/32
fOSC1/64
fOSC1: Clock that is output from the OSC1 oscillation circuit
fOSC3: Clock that is output from the OSC3 oscillation circuit
When fOSC3 is selected for the FOUT signal frequency, it is necessary to control the OSC3 oscillation
circuit before output.
Refer to Section 4.3, "Oscillation Circuit", for the control and notes.
Note: A hazard may occur when the FOUT signal is turned ON and OFF.
Figure 4.5.4.3 shows the output waveform of the FOUT signal.
R13 register
FOUTE register
FOUT output
Fix at "1"
"1"
"0"
Fig. 4.5.4.3 Output waveform of FOUT signal
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