R8A66170SP 查看數據表（PDF） - Renesas Electronics

零件编号

产品描述 (功能)

生产厂家

R8A66170SP

4-CH 16-BIT PWM GENERATOR

Renesas Electronics 

R8A66170DD/SP

First byte

(Command 2)

D3 D2 D1

111

110

111

110

101

100

0X1

0X0

The second byte

Upper byte of

PWM H register

Lower byte of

PWM H register

Upper byte of

PWM H register

Lower byte of

PWM H register

Upper byte of

PWM L register

Lower byte of

PWM L register

Upper byte of

prescaler register

Lower byte of

prescaler register

The third byte

Lower byte of

PWM H register

-

Lower byte of

PWM H register

Upper byte of

PWM L register

Lower byte of

PWM L register

-

Lower byte of

prescaler register

-

Fig.2 Data-setting sequence for registers

The fourth byte The fifth byte

Remark

-

-

Upper byte of

PWM L register

Lower byte of

PWM L register

-

-

-

-

-

-

Lower byte of

PWM L register

-

-

-

-

-

In Mode 0 or 1

In Mode 2

Reset

C/D=1 Mode setting (command 1) D7 = 1

C/D=1

C/D=0

C/D=0

Prescaler setting

(upper byte)

(command 2)

Prescaler value

upper byte

Prescaler value

lower byte

D7, D4, D3 = 0

D1 = 1

C/D=1

PWM counter setting

(upper byte)

(command 2)

C/D=0

C/D=0

PWM counter

upper byte

PWM counter

lower byte

D7, D4 = 0

D3, D2, D1 = 1

No

Setting

completed?

C/D=1

Yes

Output enable

(command 3)

Start

D7 = 0

D4 = 1

1

1

Change

No

setting?

Yes

D7, D4 = 0

C/D=1

Prescaler or PWM counter

setting change

D3 = 0 or 1

D2 = 1

(command 2)

D1 = 0 or 1

C/D=0 Upper byte of prescaler or

PWM counter

Lower byte of prescaler or

C/D=0

PWM counter

Yes

C/D=1

Change

setting?

No

Output disable

(command 3)

Yes

Change

mode?

No

End

D7=0

D4=1

Fig.3 Flow chart in Mode 0 or 1 (for one channel)

REJ03F0272-0100 Rev.1.00 Apr.01.2008

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