T89C51SND1-ROTIL datasheet(32/60 Pages) ATMEL

Teilenummer	T89C51SND1-ROTIL

Bauteilbeschribung	Single Chip Microcontroller with MP3 Decoder and Man Machine Interface

PDF	60 Pages

Scroll/Zoom	100%

Hersteller	ATMEL [ATMEL Corporation]

Direct Link	http://www.atmel.com

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32 / 60 page

T8xC51SND1

Rev. D – 15-Nov-01

9.12 2-wire Controller

The T8xC51SND1 implements a 2-wire controller supporting the four standard master

and slave modes with multimaster capability. It is provided for the following purposes:

•

Connection of slave devices like LCD controller, audio DAC…

•

Remote control of the T8xC51SND1 by a host.

•

In System Programming.

9.13 A/D Controller

The T8xC51SND1 implements a 2-channel 10-bit (8 true bits) analog to digital converter

(ADC). It is provided for the following purposes:

•

Battery monitoring.

•

Voice recording.

•

Corded remote control.

9.14 Keyboard Interface

The T8xC51SND1 implements a keyboard interface allowing connection of 4 x n matrix

keyboard. It is based on 4 inputs with programmable interrupt capability on both high or

low level. These inputs are available as alternate function of P1.3:0 and allow exit from

idle and power down modes.

T89C51SND1-ROTIL Datenblatt(PDF) 32 Page - ATMEL Corporation