TB2118F datasheet(3/20 Pages) TOSHIBA

Part #	TB2118F

Description	High Speed PLL For DTS

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Manufacturer	TOSHIBA [Toshiba Semiconductor]

Direct Link	http://www.semicon.toshiba.co.jp/eng

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TB2118F

2002-10-30

3

Pin Function

No.

Symbol

Pin Name

Function And Operation

Remarks

1

XO

24

XI

Crystal

oscillator pins

・

Serial data input:

Setting F0 and F1 bits selects the

frequency of the crystal oscillator to

be connected.

Buff.

ON

/OFF

OSC

circuit

OSC

XIN

XOUT

2

OSC

Crystal

oscillator

output pin

・

Setting the OSC bit outputs the

oscillation frequency.

0 = output off

1 = output on

―

15

FMVCO

FM band local

signal input

・

Serial data input:

When AM / FM bit = "0" FMVCO is

selected.

・

Input signal is directly transferred to

the swallow counter.

・

Input frequency: 30 to 150MHz

・

Divided frequency: 528 to 65.535

16

AMVCO

AM band local

signal input

・

Serial data input:

When AM / FM bit = "1" AMVCO is

selected.

・

When mode = "1" AM band is

selected (by pulse swallow).

Input frequency: 1.0 to 40MHz

Divided frequency: 528 to 65.535

RfIN

13

IFC

IF signal input

・

input frequency: 0.1 to 15MHz

・

The selected signal is input to a 20

-bit

general

-purpose counter via a gate

circuit.

RfIF

3

CE

Chip enable

input

5

CK

Clock input

4

DIN

Serial data

input

6

DOUT

Serial data

output

Serial interface pins.

・

Data used for controlling TB2118F are

exchanged between controllers.

・

Control data are input via DIN in sync.

With clock input via CK. Control data

input start / stop is specified using CE.

・

General

-purpose counter data are

output in sync. With clock input via CK

from DOUT.

・

The CK / CE / DIN pin is schmitt trigger

input.

CE / CK / DIN

DOUT

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