MB15E07SR Datasheet, PDF(9/25 Page) Fujitsu Component Limited. – Single Serial Input PLL Frequency Synthesizer On-chip 2.5 GHz Prescaler

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MB15E07SR Datasheet, PDF (9/25 Pages) Fujitsu Component Limited. – Single Serial Input PLL Frequency Synthesizer On-chip 2.5 GHz Prescaler

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MB15E07SR

Programmable Counter

LSB

Data Flow

MSB

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19

CAAAAAAANNNNNNNNNNN

N 1 2 3 4 5 6 7 1 2 3 4 5 6 7 8 9 10 11

CNT : Control bit

N1 to N11: Divide ratio setting bits for the programmable counter (3 to 2,047)

A1 to A7 : Divide ratio setting bits for the swallow counter (0 to 127)

Note: Data input with MSB first.

[Table 1]

[Table 3]

[Table 4]

Table 2. Binary 14-bit Programmable Reference Counter Data Setting

Divide ratio (R) R14 R13 R12 R11 R10 R9 R8 R7 R6 R5 R4 R3 R2 R1

00 00 0000000011

00 00 0000000100

16383

11 11 1111111111

Note: Divide ratio less than 3 is prohibited.

Table 3. Binary 11-bit Programmable Counter Data Setting

Divide ratio (N) N11 N10 N9 N8 N7 N6 N5 N4 N3 N2 N1

00000000011

00000000100

2047

11111111111

Note: Divide ratio less than 3 is prohibited.

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