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7477 Datasheet(PDF) 247 Page - Renesas Technology Corp

Part # 7477
Description  8-BIT SINGLE-CHIP MICROCOMPUTER 740 FAMILY / 7470 SERIES
PDF  354 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

7477 Datasheet(HTML) 247 Page - Renesas Technology Corp

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7470/7471/7477/7478 GROUP USER’S MANUAL
2-12
APPLICATION
2.3 Timers
7470
7471
7477
7478
(2) Example of use of each mode
An example of use of each mode is shown below.
1 Timer mode: One-second measurement (timer function)
Outline: Divide the clock by the timer. Count one second by a timer 1 interrupt that is generated
at an internal of 0.4 ms. Cause the timer to count up at each second.
Specifications: Divide f(XCIN) = 32 kHz by timer 1 to generate an interrupt. Check the value of
the counter that counts with an timer 1 interrupt by the main routine. If one
second has elapsed, execute timer count-up processing.
Figure 2.3.2 shows an example of control procedure.
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