TB1239BF 데이터 시트보기 (PDF) - Toshiba

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TB1239BF

Bi-CMOS Integrated Circuit Silicon Monolithic

Toshiba 

Read Mode

Slave Address: 89H/8BH/8FH

Item/Number of Bits

H-LOCK/①

N-DET/②

X’TAL/②

COLOR SYSTEM/②

POR/①

V15/①

V-SIG/①

C ID/①

V-STD/①

V-FREQ/①

Function

H.Lock detection

Noise judgment

Crystal mode judgment

Color system judgment

Power On Reset

Status of pin 15 voltage

Refer to FUNCTION DESCRIPTION.

Internal V.pulse detection for V.lock

Input signal condition

(detection of burst signal on C-IN pins)

Refer to FUNCTION DESCRIPTION.

Decision on the standard of the vertical

frequency.

When no-signal, 1: STD is responded.

Vertical frequency judgment.

Right after power-on, 0: 50 Hz is

responded.

At no-signal, the last statement is kept.

Variable Range

0: Un-lock, 1: Lock

00: SN > 30 dB,

01: ¾,

10: 30 dB > SN > 20 dB,

11: 20 dB > SN

00: 4.433619 MHz (PAL)

01: 3.579545 MHz (NTSC)

10: 3.575611 MHz (M-PAL)

11: 3.582056 MHz (N-PAL)

00: B/W, 01: PAL

10: NTSC, 11: SECAM

0: Normal, 1: Resistor preset

0: Low, 1: High

0: Existing, 1: Not existing

0: Not detected (CVBS),

1: Detected (Y/C)

0: Non-STD, 1: STD

0: 50 Hz, 1: 60 Hz

TB1239BF

16

2002-02-12

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