BU2618 查看數據表（PDF） - ROHM Semiconductor

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BU2618

PLL frequency synthesizer for tuners

ROHM Semiconductor 

Audio ICs

S Explanation of the data

(1) Division data: For D0 through D15 (When S = 0, use D4 through D15.)

BU2618FV

(2) CT: Frequency measurement beginning data

1: Begins measurement.

0: Resets internal counter, IFIN goes to pulldown.

(3) Output port control data:

1: Open drain output ON

2: Open drain output OFF

(4) R0, R1, R2, standard frequency data

(5) S: switch between FMIN and AMIN

0: FMIN 1: AMIN

(6) PS: If this bit is set to ON while AMIN is selected,

swallow counter division is possible.

(7) GT: Frequency measurement time and unlock detection ON / OFF

(8) TS: Test data (0) is input

143

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