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M38049FFHKP Datasheet(PDF) 73 Page - Renesas Technology Corp

Part # M38049FFHKP
Description  8-BIT CISC SINGLE-CHIP MICROCOMPUTER 740 FAMILY / 38000 SERIES
PDF  387 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

M38049FFHKP Datasheet(HTML) 73 Page - Renesas Technology Corp

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1-55
REJ09B0212-0100Z
Rev.1.00
Jan 14, 2005
3804 Group (Spec.H)
HARDWARE
FUNCTIONAL DESCRIPTION
Fig. 47 Structure of PWM control register
Fig. 48 PWM output timing when PWM register or PWM prescaler is changed
PWM control register
(PWMCON : address 002B16)
PWM function enable bit
Count source selection bit
Not used (return “0” when read)
b7
b0
0: PWM disabled
1: PWM enabled
0: f(XIN)
1: f(XIN)/2
A
B
C
B
T
C
T2
=
PWM output
PWM register
write signal
PWM prescaler
write signal
(Changes “H” term from “A” to “B”.)
(Changes PWM period from “T” to “T2”.)
When the contents of the PWM register or PWM prescaler have changed, the PWM
output will change from the next period after the change.
T
T
T2



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