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FUJITSU F2MC-8L F202RA User Manual

Page 236

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CHAPTER 9 12-BIT PPG TIMER

Figure 9.5-2 illustrates the operation of the 12-bit PPG timer.

Figure 9.5-2 Operation of 12-bit PPG Timer

(RCR2

3

, 24:

S

CL0 to

S

CL11)

(RCR21, 22:H

S

C0 to H

S

C11)

"000

H

"

Co

u

nt

b

y co

u

nter

Cycle period

s

etting

"H" width

s

etting

Cycle period

(*1)

"H" width

(*2)

PPG o

u

tp

u

t p

u

l

s

e w

a

veform

*1:

If intern

a

l co

u

nt clock cycle period i

s

2, 4, 16, or 256 t

IN

S

T

, cycle period = comp

a

re v

a

l

u

e for cycle

period m

u

ltiplied

b

y the co

u

nt clock cycle period.

*2:

If intern

a

l co

u

nt clock cycle period i

s

2, 4, 16, or 256 t

IN

S

T

, "H" width = comp

a

re v

a

l

u

e for the "H"

width m

u

ltiplied

b

y the co

u

nt clock cycle period.

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