參數(shù)資料
型號(hào): uPD750068CUA
廠商: NEC Corp.
英文描述: 4-BIT SINGLE-CHIP MICROCONTROLLERS
中文描述: 4位單晶片微控制器
文件頁數(shù): 29/82頁
文件大?。?/td> 460K
代理商: UPD750068CUA
29
μ
PD750064, 750066, 750068, 750064(A), 750066(A), 750068(A)
Data Sheet U10165EJ2V0DS00
6.7 Timer/Event Counter
The
μ
PD750068 has two channels of timer/event counters. Its configuration is shown in Figures 6-6 and 6-7.
The timer/event counter has the following functions.
(a) Programmable interval timer operation
(b) Square wave output of any frequency to the PTOn pin (n = 0, 1)
(c) Event counter operation
(d) 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).
(e) Supplies the shift clock to the serial interface circuit.
(f)
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
Yes
Yes
16-bit timer/event counter mode
Yes
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