參數(shù)資料
型號(hào): UPD754304A
廠商: NEC Corp.
元件分類: 4位微控制器
英文描述: 4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER
中文描述: 4位單片機(jī)的小型通用紅外遙控器
文件頁數(shù): 24/74頁
文件大?。?/td> 316K
代理商: UPD754304A
μ
PD754302, 754304, 754302(A), 754304(A)
24
6.5 Timer/Event Counter
The
μ
PD754304 has two channels of timer/event counters. Its configuration is shown in Figures
6-4 and 6-5.
The timer/event counter has the following functions.
Programmable interval timer operation
Square wave output of any frequency to the PTOn pin (n = 0, 1)
Event counter operation
Divides the frequency of signal input via the TIn pin to 1-Nth of the original signal and outputs the divided
frequency to the PTOn pin (frequency divider operation).
Supplies the shift clock to the serial interface circuit.
Reads the count value.
The timer/event counter operates in the following two modes as set by the mode register.
Table 6-2. Operation Modes of Timer/Event Counter
Channel
Channel 0
Channel 1
Mode
8-bit timer/event counter mode
16-bit timer/event counter mode
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