R8A66170SP データシートの表示（PDF） - Renesas Electronics

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R8A66170SP

4-CH 16-BIT PWM GENERATOR

Renesas Electronics 

R8A66170DD/SP

Command 1

D7

D6

D5

D4

D3

D2

D1

D0

"1"

Mode selection

enabled

PWM number selection

00 : PWM 1

01 : PWM 2

10 : PWM 3

11 : PWM 4

Command 2

D7

D6

D5

Mode selection

00 : Mode 0

01 : Mode 1

10 : Mode 2

11 : Prohibition

PWM resolution

selection

0 : 8 bit

1 : 16 bit

Effective

only in

Mode 0

External trigger

0 : OFF

1 : ON

"H" width

polarity selection

0:L

1:H

D4

D3

D2

D1

D0

"0"

Enable/numerical

control selection

enabled

PWM number selection

00 : PWM 1

01 : PWM 2

10 : PWM 3

11 : PWM 4

"0"

numeriacal

control

enabled

"0"

X

prescaler

numeric

value

"1"

PWM

numeric

value

0 : For L

width

1 : For H

width

"1" is specified

for Mode 0 and 1.

0 : For lower

X

byte

1 : For upper

byte

0 : For lower

X

byte

1 : For upper

byte

Command 3

D7

D6

D5

D4

D3

D2

D1

D0

Prescaler

value and

PWM counter

value are set

by the unit of

byte after the

second byte.

(See Fig.2)

"0"

X

X

Enable/numerical

control selection

enabled

attention

① Mode 0~2

② Mode 1, External trigger on

③ Mode 2

X : Don't care

Fig.1 Commands

"1"

Enable/

control

enabled

PWM 4

PWM 3

PWM 2

"0" : Disable

"1" : Enable

M = 0 Prohibition (right after Reset or Disable)

M = 0 Prohibition

M = N = 0 Prohibition

M: H width set value

N: L width set value

PWM 1

REJ03F0272-0100 Rev.1.00 Apr.01.2008

Page 4 of 20

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