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7721 Datasheet(PDF) 160 Page - Renesas Technology Corp

Part # 7721
Description  16-BIT SINGLE-CHIP MICROCOMPUTER
PDF  577 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

7721 Datasheet(HTML) 160 Page - Renesas Technology Corp

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7721 Group User’s Manual
8–41
8.6 Pulse width modulation (PWM) mode
Fig. 8.6.3 Initial setting example for registers relevant to PWM mode (2)
Count
tt
Trigger input
to TAjIN pin
When external trigger is selected
When internal trigger is selected
From preceding Figure 8.6.2.
Trigger generated
b7
b0
Port P5 direction register
(Address D16)
Setting port P5 direction register
TA2IN pin
TA3IN pin
TA4IN pin
Clear the corresponding bit to “0.”
Setting count start bit to “1”
b7
b0
Count start register (Address 4016)
Timer A2 count start bit
Timer A3 count start bit
Timer A4 count start bit
Setting count start bit to “1”
b7
b0
Count start register (Address 4016)
Timer A2 count start bit
Timer A3 count start bit
Timer A4 count start bit
Setting interrupt priority level
b7
b0
Timer Aj interrupt control register (j = 2 to 4)
(Addresses 7716 to 7916)
Interrupt priority level select bits
When using interrupts, set these bits to one of
levels 1 to 7.
When disabling interrupts, set these bits to
level 0.



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