LC7233N-8818 Ver la hoja de datos (PDF) - SANYO -> Panasonic

Número de pieza

componentes Descripción

Fabricante

LC7233N-8818

Single-Chip PLL and Controller with LCD Driver

SANYO -> Panasonic 

LC7233N-8818

Continued from preceding page.

0: without diode, 1: with diode

Diode matrix On/

name

off

Function

AM ST SEL

0

The MO/ST key is disabled in the MW band when Japan or USA is selected.

1

The MO/ST key is enabled in the MW band when Japan or USA is selected.

0

When the MUTE key is pressed and the MUTE output goes high, a –79 dB data item is sent to the electronic volume control IC.

–20 dB

When the MUTE key is pressed and the MUTE output goes high, a data item for only –20 dB less than the current volume is

1

sent to the electronic volume control IC.

When the LC7233N-8818 enters the ACC OFF state (when HOLD is low) a panel removal reminder alarm is not output from the

0

ALARM pin.

When the LC7233N-8818 enters the ACC OFF state (HOLD is low) a panel removal reminder alarm will be output from the

ALARM pin. The alarm signal frequency is about 4.4 kHz, and lasts for about 20 seconds.

ACC OFF

ALARM SEL

1

0

There is no MW2 band, and only the MW band is displayed.

MW2 SEL

When there is no LW band, the MW2 band is added, and these bands are referred to as MW1 and MW2. The display for MW1 is

1

“MW I”, and the display for MW2 is “MW II”.

A pulse (high for 250 ms, low for 750 ms) is output from the LEDFLSH pin in the ACC OFF state (HOLD is low) when PANEL IN

0

is high.

LED FLASH

The LEDFLSH pin remains low when the LC7233N-8818 enters the ACC OFF state (when HOLD goes low) and PANEL IN is

1

high. At this time the LC7233N-8818 enters backup mode if the clock function is disabled.

LCD Display Pattern (1/3 Duty, 1/3 Bias)

1. Digit Position

No. 4743-11/36

Share Link: