參數(shù)資料
型號(hào)： S1C6P366D0A0100
元件分類： 微控制器/微處理器
英文描述： 4-BIT, FLASH, 4.1 MHz, MICROCONTROLLER, UUC102
封裝： DIE-102
文件頁數(shù)： 74/84頁
文件大?。?/td> 1740K
代理商： S1C6P366D0A0100
66
EPSON
S1C6P366 TECHNICAL MANUAL
CHAPTER 4: PERIPHERAL CIRCUITS AND OPERATION (Programmble Timer)
4.9.3.4 Interrupt function
The programmable timer can generate an interrupt due to an underflow.
An underflow of this 16 bit programmable timer sets the corresponding interrupt factor flag IPT1 (timer
1) to "1", and generates an interrupt. The interrupt can also be masked by setting the corresponding
interrupt mask register EIPT1 (timer 1). However, the interrupt factor flag is set to "1" by an underflow of
the corresponding timer regardless of the interrupt mask register setting.
4.9.3.5 Setting of TOUT output
The programmable timer can generate a TOUT signal due to an underflow of this 16 bit programmable
timer. The TOUT signal is generated by dividing the underflows in 1/2.
The TOUT signal can be output from the R02 output port terminal. Programmable clocks can be supplied
to external devices.
Figure 4.9.3.5.1 shows the configuration of the output port R02.
Data
bus
Register
PTOUT
Register
R02
TOUT
R02
(TOUT)
Register
R02HIZ
Fig. 4.9.3.5.1 Configuration of R02
The output of a TOUT signal is controlled by the PTOUT register. When "1" is written to the PTOUT
register, the TOUT signal is output from the R02 output port terminal and when "0" is written, the
terminal goes to a high (VDD) level. However, the data register R02 must always be "1" and the high
impedance control register R02HIZ must always be "0" (data output state).
Since the TOUT signal is generated asynchronously from the PTOUT register, a hazard within 1/2 cycle is
generated when the signal is turned ON and OFF by setting the register.
Figure 4.9.3.5.2 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. 4.9.3.5.2 Output waveform of the TOUT signal
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