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參數(shù)資料
| 型號(hào)： | S1C63455D |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 4-BIT, MROM, 4.1 MHz, MICROCONTROLLER, UUC105 |
| 封裝： | DIE-105 |
| 文件頁(yè)數(shù)： | 80/119頁(yè) |
| 文件大?。?/td> | 865K |
| 代理商： | S1C63455D |
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S1C63455 TECHNICAL MANUAL
EPSON
55
CHAPTER 4: PERIPHERAL CIRCUITS AND OPERATION (Programmable Timer)
4.10 Programmable Timer
4.10.1 Configuration of programmable timer
The S1C63455 has two 8-bit programmable timer systems (timer 0 and timer 1) built-in.
Timer 0 and timer 1 are composed of 8-bit presettable down counters and they can be used as 8-bit
× 2
channel programmable timers.
Figure 4.10.1.1 shows the configuration of the programmable timer.
The programmable timer is designed to count down from the initial value set in the counter with soft-
ware. An underflow according to the initial value occurs by counting down and is used for the following
functions:
Presetting the initial value to the counter to generate the periodical underflow signal
Generating an interrupt
Generating a TOUT signal output from the R02 output port terminal
Generating the synchronous clock source for the serial interface (timer 1 underflow is used, and it is
possible to set the transfer rate)
Reload data register
RLD00–RLD07
Data buffer
PTD00–PTD07
PTRUN0
FCSEL
PLPOL
Programmable timer 0
PTPS00
PTPS01
8-bit
down counter
Prescaler
Selector
CKSEL0
Timer 0 Run/Stop
Clock
control
circuit
Timer function setting
Pulse polarity setting
Prescaler
setting
Underflow
signal
Data buffer
PTD10–PTD17
Programmable timer 1
PTPS10
PTPS11
8-bit
down counter
Prescaler
Clock
control
circuit
Prescaler
setting
Underflow
signal
Data
bus
Interrupt
request
CHSEL
TOUT (R02)
Serial interface
Selector
CKSEL1
Timer 1 Run/Stop
PTRST0
Timer 0 reset
PTRST1
Timer 1 reset
2,048
Hz
Divider
OSC3
oscillation
circuit
Interrupt
control
circuit
OSC1
oscillation
circuit
fOSC3
fOSC1
PTRUN1
1/2
PTOUT
Selector
Output port
R02
Reload data register
RLD10–RLD17
1/2
Fig. 4.10.1.1 Configuration of programmable timer
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相關(guān)代理商/技術(shù)參數(shù) |
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| S1C63557D04Q000 | 制造商:Seiko Instruments Inc (SII) 功能描述:EPSON MCU 4BIT |
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