5P35021 datasheet(39/48 Pages) RENESAS

39 / 48 page

June 2, 2026

5P35021 Datasheet

Byte 23: PLL2 Period Control

Byte 24: PLL2 Control Register

Byte 25: PLL2 Charge Pump Control

Byte 17h

Name

Control Function

Type

PWD

Bit 7

PLL2_PERIOD[7]

PLL2 period control bit 7

R/W

Bit 6

PLL2_PERIOD[6]

PLL2 period control bit 6

R/W

Bit 5

PLL2_PERIOD[5]

PLL2 period control bit 5

R/W

Bit 4

PLL2_PERIOD[4]

PLL2 period control bit 4

R/W

Bit 3

PLL2_PERIOD[3]

PLL2 period control bit 3

R/W

Bit 2

PLL2_PERIOD[2]

PLL2 period control bit 2

R/W

Bit 1

PLL2_PERIOD[1]

PLL2 period control bit 1

R/W

Bit 0

PLL2_PERIOD[0]

PLL2 period control bit 0

R/W

Byte 18h

Name

Control Function

Type

PWD

Bit 7

PLL2_PERIOD[9]

PLL2 period control bit 9

R/W

Bit 6

PLL2_PERIOD[8]

PLL2 period control bit 8

R/W

Bit 5

PLL2_SSEN

PLL2 spread spectrum enable

R/W

disable

enable

Bit 4

PLL2_R100K

PLL2 Loop filter resister 100kohm

bypass

plus 100kohm

Bit 3

PLL2_R50K

PLL2 Loop filter resister 50kohm

bypass

plus 50kohm

Bit 2

PLL2_R25K

PLL2 Loop filter resister 25kohm

bypass

plus 25kohm

Bit 1

PLL2_R12.5K

PLL2 Loop filter resister 12.5kohm

bypass

plus 12.5kohm

Bit 0

PLL2_R6K

PLL2 Loop filter resister 6kohm

bypass

only 6kohm applied

Byte 19h

Name

Control Function

Type

PWD

Bit 7

PLL2_CP_16X

PLL2 charge pump control

R/W

x16

Bit 6

PLL2_CP_8X

PLL2 charge pump control

R/W

Bit 5

PLL2_CP_4X

PLL2 charge pump control

R/W

Bit 4

PLL2_CP_2X

PLL2 charge pump control

R/W

Bit 3

PLL2_CP_1X

PLL2 charge pump control

R/W

Bit 2

PLL2_CP_/24

PLL2 charge pump control

R/W

/24

Bit 1

PLL2_CP_/3

PLL2 charge pump control

R/W

Bit 0

PLL2_SIREF

PLL2 SiRef current selection

R/W

10μA

20μA

5P35021 Datasheet(PDF) 39 Page - Renesas Technology Corp

5P35021 Datasheet(HTML) 39 Page - Renesas Technology Corp

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