8V97052 datasheet(21/47 Pages) RENESAS

tên linh kiện	8V97052

Giải thích chi tiết về linh kiện	High Resolution Wideband RF Synthesizer / PLL

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R31DS0022EU0110 Rev.1.1

Page 21

Feb 6, 2023

8V97052 Datasheet

Table 17. Register 1: 12 Last Bits Modulus Value (MOD). Function Description[1]

1. This table is used along with Register 5 MOD value in order to complete the 32 bits of MOD.

Name

Description

Factory Defaults

Function

(FDiv[32:21])

(FDiv[20:1])

(FDiv[32:21])

(FDiv[20:1])

Value

Mod[32:1]

MODULUS

VALUE (MOD)

0000 0000 0000

0000 0010

0000 0000 0000

0000 0000

Not

Allowed

0000 0000 0000

0000 0001

Not

Allowed

0000 0000 0000

0000 0010

…

1111 1111 1111

1111 1111

(2^20) – 1

1,048,575

0000 0000 0001

0000 0000 0000

0000 0000

2^20 =

1,048,576

…

1111 1111 1111

1111 1111

(2^21) – 1

…

1111 1111 1111

0000 0000 0000

0000 0000

2^20*(2^12

–1)

…

1111 1111 1111

1111 1111

2^32 – 1

Table 18. Register 1: 3-Bit Control Bits. Function Description[1]

1. The user has to set CB[3:1] to 001 in order to write to Register 1.

Name

Description

Function

CB[3:1]

Control bits

001 = Register 1 is programmed

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