參數(shù)資料
型號: S1C63653F
元件分類: 微控制器/微處理器
英文描述: 4-BIT, FLASH, 4 MHz, MICROCONTROLLER, CQFP100
封裝: CERAMIC, QFP15-100
文件頁數(shù): 68/121頁
文件大?。?/td> 1127K
代理商: S1C63653F
42
EPSON
S1C63653 TECHNICAL MANUAL
CHAPTER 4: PERIPHERAL CIRCUITS AND OPERATION (Output Ports)
TOUT (R02)
The R02 terminal can output a TOUT signal.
The TOUT signal is the clock that is output from the programmable timer, and can be used to provide
a clock signal to an external device.
To output the TOUT signal, fix the R02 register at "1" and the R02HIZ register at "0", and turn the
signal on and off using the PTOUT register. It is, however, necessary to control the programmable
timer.
Refer to Section 4.11, "Programmable Timer" for details of the programmable timer.
Note: A hazard may occur when the TOUT signal is turned on and off.
Figure 4.6.4.2 shows the output waveform of the TOUT signal.
R02HIZ register
R02 register
PTOUT register
TOUT output
Fix at "0"
Fix at "1"
"1"
"0"
Fig. 4.6.4.2 Output waveform of TOUT signal
FOUT (R03)
The R03 terminal can output an FOUT signal.
The FOUT signal is a clock (fOSC1 or fOSC3) 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 R03 register at "1" and the R03HIZ register at "0", and turn the
signal on and off using the FOUTE register.
The frequency of the output clock may be selected from among 4 types shown in Table 4.6.4.2 by
setting the FOFQ0 and FOFQ1 registers.
Table 4.6.4.2 FOUT clock frequency
FOFQ1
1
0
FOFQ0
1
0
1
0
Clock frequency
fOSC3
fOSC1
× 1/8
fOSC1
× 1/64
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 4.4, "Oscillation Circuit", for the control and notes.
Note: A hazard may occur when the FOUT signal is turned on and off.
Figure 4.6.4.3 shows the output waveform of the FOUT signal.
R03HIZ register
R03 register
FOUTE register
FOUT output
Fix at "0"
Fix at "1"
"1"
"0"
Fig. 4.6.4.3 Output waveform of FOUT signal
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